790 lines
16 KiB
JavaScript
790 lines
16 KiB
JavaScript
/*
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-------------------------------------------------------------------------
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JavaScript Form Validator (gen_validatorv31.js)
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Version 3.1.1
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Copyright (C) 2003-2008 JavaScript-Coder.com. All rights reserved.
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You can freely use this script in your Web pages.
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You may adapt this script for your own needs, provided these opening credit
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lines are kept intact.
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The Form validation script is distributed free from JavaScript-Coder.com
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For updates, please visit:
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http://www.javascript-coder.com/html-form/javascript-form-validation.phtml
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Questions & comments please send to form.val at javascript-coder.com
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-------------------------------------------------------------------------
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*/
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function Validator(frmname)
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{
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this.formobj=document.forms[frmname];
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if(!this.formobj)
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{
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alert("Error: couldnot get Form object "+frmname);
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return;
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}
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if(this.formobj.onsubmit)
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{
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this.formobj.old_onsubmit = this.formobj.onsubmit;
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this.formobj.onsubmit=null;
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}
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else
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{
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this.formobj.old_onsubmit = null;
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}
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this.formobj._sfm_form_name=frmname;
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this.formobj.onsubmit=form_submit_handler;
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this.addValidation = add_validation;
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this.setAddnlValidationFunction=set_addnl_vfunction;
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this.clearAllValidations = clear_all_validations;
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this.disable_validations = false;//new
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document.error_disp_handler = new sfm_ErrorDisplayHandler();
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this.EnableOnPageErrorDisplay=validator_enable_OPED;
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this.EnableOnPageErrorDisplaySingleBox=validator_enable_OPED_SB;
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this.show_errors_together=true;
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this.EnableMsgsTogether=sfm_enable_show_msgs_together;
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}
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function set_addnl_vfunction(functionname)
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{
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this.formobj.addnlvalidation = functionname;
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}
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function sfm_enable_show_msgs_together()
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{
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this.show_errors_together=true;
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this.formobj.show_errors_together=true;
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}
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function clear_all_validations()
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{
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for(var itr=0;itr < this.formobj.elements.length;itr++)
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{
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this.formobj.elements[itr].validationset = null;
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}
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}
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function form_submit_handler()
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{
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var bRet = true;
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document.error_disp_handler.clear_msgs();
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for(var itr=0;itr < this.elements.length;itr++)
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{
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if(this.elements[itr].validationset &&
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!this.elements[itr].validationset.validate())
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{
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bRet = false;
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}
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if(!bRet && !this.show_errors_together)
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{
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break;
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}
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}
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if(!bRet)
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{
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document.error_disp_handler.FinalShowMsg();
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return false;
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}
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if(this.addnlvalidation)
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{
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str =" var ret = "+this.addnlvalidation+"()";
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eval(str);
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/*if(!ret) {
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alert(ret);
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return ret;
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} else {
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alert("ret is undefined");
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}*/
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}
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return false;
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}
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function add_validation(itemname,descriptor,errstr)
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{
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var condition = null;
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if(arguments.length > 3)
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{
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condition = arguments[3];
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}
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if(!this.formobj)
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{
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alert("Error: The form object is not set properly");
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return;
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}//if
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var itemobj = this.formobj[itemname];
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if(itemobj.length && isNaN(itemobj.selectedIndex) )
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//for radio button; don't do for 'select' item
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{
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itemobj = itemobj[0];
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}
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if(!itemobj)
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{
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alert("Error: Couldnot get the input object named: "+itemname);
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return;
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}
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if(!itemobj.validationset)
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{
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itemobj.validationset = new ValidationSet(itemobj,this.show_errors_together);
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}
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itemobj.validationset.add(descriptor,errstr,condition);
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itemobj.validatorobj=this;
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}
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function validator_enable_OPED()
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{
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document.error_disp_handler.EnableOnPageDisplay(false);
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}
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function validator_enable_OPED_SB()
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{
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document.error_disp_handler.EnableOnPageDisplay(true);
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}
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function sfm_ErrorDisplayHandler()
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{
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this.msgdisplay = new AlertMsgDisplayer();
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this.EnableOnPageDisplay= edh_EnableOnPageDisplay;
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this.ShowMsg=edh_ShowMsg;
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this.FinalShowMsg=edh_FinalShowMsg;
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this.all_msgs=new Array();
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this.clear_msgs=edh_clear_msgs;
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}
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function edh_clear_msgs()
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{
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this.msgdisplay.clearmsg(this.all_msgs);
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this.all_msgs = new Array();
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}
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function edh_FinalShowMsg()
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{
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this.msgdisplay.showmsg(this.all_msgs);
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}
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function edh_EnableOnPageDisplay(single_box)
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{
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if(true == single_box)
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{
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this.msgdisplay = new SingleBoxErrorDisplay();
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}
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else
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{
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this.msgdisplay = new DivMsgDisplayer();
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}
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}
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function edh_ShowMsg(msg,input_element)
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{
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var objmsg = new Array();
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objmsg["input_element"] = input_element;
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objmsg["msg"] = msg;
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this.all_msgs.push(objmsg);
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}
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function AlertMsgDisplayer()
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{
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this.showmsg = alert_showmsg;
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this.clearmsg=alert_clearmsg;
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}
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function alert_clearmsg(msgs)
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{
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}
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function alert_showmsg(msgs)
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{
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var whole_msg="";
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var first_elmnt=null;
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for(var m in msgs)
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{
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if(null == first_elmnt)
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{
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first_elmnt = msgs[m]["input_element"];
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}
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whole_msg += msgs[m]["msg"] + "\n";
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}
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alert(whole_msg);
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if(null != first_elmnt)
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{
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first_elmnt.focus();
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}
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}
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function sfm_show_error_msg(msg,input_elmt)
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{
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document.error_disp_handler.ShowMsg(msg,input_elmt);
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}
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function SingleBoxErrorDisplay()
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{
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this.showmsg=sb_div_showmsg;
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this.clearmsg=sb_div_clearmsg;
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}
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function sb_div_clearmsg(msgs)
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{
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var divname = form_error_div_name(msgs);
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show_div_msg(divname,"");
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}
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function sb_div_showmsg(msgs)
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{
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var whole_msg="<ul>\n";
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for(var m in msgs)
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{
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whole_msg += "<li>" + msgs[m]["msg"] + "</li>\n";
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}
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whole_msg += "</ul>";
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var divname = form_error_div_name(msgs);
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show_div_msg(divname,whole_msg);
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}
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function form_error_div_name(msgs)
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{
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var input_element= null;
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for(var m in msgs)
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{
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input_element = msgs[m]["input_element"];
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if(input_element){break;}
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}
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var divname ="";
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if(input_element)
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{
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divname = input_element.form._sfm_form_name + "_errorloc";
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}
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return divname;
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}
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function DivMsgDisplayer()
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{
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this.showmsg=div_showmsg;
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this.clearmsg=div_clearmsg;
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}
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function div_clearmsg(msgs)
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{
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for(var m in msgs)
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{
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var divname = element_div_name(msgs[m]["input_element"]);
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show_div_msg(divname,"");
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}
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}
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function element_div_name(input_element)
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{
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var divname = input_element.form._sfm_form_name + "_" +
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input_element.name + "_errorloc";
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divname = divname.replace(/[\[\]]/gi,"");
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return divname;
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}
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function div_showmsg(msgs)
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{
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var whole_msg;
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var first_elmnt=null;
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for(var m in msgs)
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{
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if(null == first_elmnt)
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{
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first_elmnt = msgs[m]["input_element"];
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}
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var divname = element_div_name(msgs[m]["input_element"]);
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show_div_msg(divname,msgs[m]["msg"]);
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}
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if(null != first_elmnt)
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{
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first_elmnt.focus();
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}
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}
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function show_div_msg(divname,msgstring)
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{
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if(divname.length<=0) return false;
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if(document.layers)
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{
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divlayer = document.layers[divname];
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if(!divlayer){return;}
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divlayer.document.open();
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divlayer.document.write(msgstring);
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divlayer.document.close();
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}
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else
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if(document.all)
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{
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divlayer = document.all[divname];
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if(!divlayer){return;}
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divlayer.innerHTML=msgstring;
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}
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else
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if(document.getElementById)
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{
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divlayer = document.getElementById(divname);
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if(!divlayer){return;}
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divlayer.innerHTML =msgstring;
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}
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divlayer.style.visibility="visible";
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return false;
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}
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function ValidationDesc(inputitem,desc,error,condition)
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{
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this.desc=desc;
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this.error=error;
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this.itemobj = inputitem;
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this.condition = condition;
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this.validate=vdesc_validate;
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}
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function vdesc_validate()
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{
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if(this.condition != null )
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{
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if(!eval(this.condition))
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{
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return true;
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}
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}
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if(!validateInput(this.desc,this.itemobj,this.error))
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{
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this.itemobj.validatorobj.disable_validations=true;
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this.itemobj.focus();
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return false;
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}
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return true;
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}
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function ValidationSet(inputitem,msgs_together)
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{
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this.vSet=new Array();
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this.add= add_validationdesc;
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this.validate= vset_validate;
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this.itemobj = inputitem;
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this.msgs_together = msgs_together;
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}
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function add_validationdesc(desc,error,condition)
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{
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this.vSet[this.vSet.length]=
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new ValidationDesc(this.itemobj,desc,error,condition);
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}
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function vset_validate()
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{
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var bRet = true;
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for(var itr=0;itr<this.vSet.length;itr++)
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{
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bRet = bRet && this.vSet[itr].validate();
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if(!bRet && !this.msgs_together)
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{
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break;
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}
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}
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return bRet;
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}
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function validateEmail(email)
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{
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var splitted = email.match("^(.+)@(.+)$");
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if(splitted == null) return false;
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if(splitted[1] != null )
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{
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var regexp_user=/^\"?[\w-_\.]*\"?$/;
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if(splitted[1].match(regexp_user) == null) return false;
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}
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if(splitted[2] != null)
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{
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var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
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if(splitted[2].match(regexp_domain) == null)
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{
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var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
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if(splitted[2].match(regexp_ip) == null) return false;
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}// if
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return true;
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}
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return false;
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}
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function IsCheckSelected(objValue,chkValue)
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{
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var selected=false;
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var objcheck = objValue.form.elements[objValue.name];
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if(objcheck.length)
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{
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var idxchk=-1;
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for(var c=0;c < objcheck.length;c++)
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{
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if(objcheck[c].value == chkValue)
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{
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idxchk=c;
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break;
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}//if
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}//for
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if(idxchk>= 0)
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{
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if(objcheck[idxchk].checked=="1")
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{
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selected=true;
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}
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}//if
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}
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else
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{
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if(objValue.checked == "1")
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{
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selected=true;
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}//if
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}//else
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return selected;
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}
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function TestDontSelectChk(objValue,chkValue,strError)
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{
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var pass = true;
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pass = IsCheckSelected(objValue,chkValue)?false:true;
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if(pass==false)
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{
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if(!strError || strError.length ==0)
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{
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strError = "Can't Proceed as you selected "+objValue.name;
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}//if
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sfm_show_error_msg(strError,objValue);
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}
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return pass;
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}
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function TestShouldSelectChk(objValue,chkValue,strError)
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{
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var pass = true;
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pass = IsCheckSelected(objValue,chkValue)?true:false;
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if(pass==false)
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{
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if(!strError || strError.length ==0)
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{
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strError = "You should select"+objValue.name;
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}//if
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sfm_show_error_msg(strError,objValue);
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}
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return pass;
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}
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function TestRequiredInput(objValue,strError)
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{
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var ret = true;
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var val = objValue.value;
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val = val.replace(/^\s+|\s+$/g,"");//trim
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if(eval(val.length) == 0)
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{
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if(!strError || strError.length ==0)
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{
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strError = objValue.name + " : Required Field";
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}//if
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sfm_show_error_msg(strError,objValue);
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ret=false;
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}//if
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return ret;
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}
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function TestMaxLen(objValue,strMaxLen,strError)
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{
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var ret = true;
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if(eval(objValue.value.length) > eval(strMaxLen))
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{
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if(!strError || strError.length ==0)
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{
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strError = objValue.name + " : "+ strMaxLen +" characters maximum ";
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}//if
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sfm_show_error_msg(strError,objValue);
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ret = false;
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}//if
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return ret;
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}
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function TestMinLen(objValue,strMinLen,strError)
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{
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var ret = true;
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if(eval(objValue.value.length) < eval(strMinLen))
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{
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if(!strError || strError.length ==0)
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{
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strError = objValue.name + " : " + strMinLen + " characters minimum ";
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}//if
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sfm_show_error_msg(strError,objValue);
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ret = false;
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}//if
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return ret;
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}
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function TestInputType(objValue,strRegExp,strError,strDefaultError)
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{
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var ret = true;
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var charpos = objValue.value.search(strRegExp);
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if(objValue.value.length > 0 && charpos >= 0)
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{
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if(!strError || strError.length ==0)
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{
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strError = strDefaultError;
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}//if
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sfm_show_error_msg(strError,objValue);
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ret = false;
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}//if
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return ret;
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}
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function TestEmail(objValue,strError)
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{
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var ret = true;
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if(objValue.value.length > 0 && !validateEmail(objValue.value) )
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{
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if(!strError || strError.length ==0)
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{
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strError = objValue.name+": Enter a valid Email address ";
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}//if
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sfm_show_error_msg(strError,objValue);
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ret = false;
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}//if
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return ret;
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}
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function TestLessThan(objValue,strLessThan,strError)
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{
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var ret = true;
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if(isNaN(objValue.value))
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{
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sfm_show_error_msg(objValue.name +": Should be a number ",objValue);
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ret = false;
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}//if
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else
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if(eval(objValue.value) >= eval(strLessThan))
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{
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if(!strError || strError.length ==0)
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{
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strError = objValue.name + " : value should be less than "+ strLessThan;
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}//if
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sfm_show_error_msg(strError,objValue);
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ret = false;
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}//if
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return ret;
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}
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function TestGreaterThan(objValue,strGreaterThan,strError)
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{
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var ret = true;
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if(isNaN(objValue.value))
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{
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sfm_show_error_msg(objValue.name+": Should be a number ",objValue);
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ret = false;
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}//if
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else
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if(eval(objValue.value) <= eval(strGreaterThan))
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{
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if(!strError || strError.length ==0)
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{
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strError = objValue.name + " : value should be greater than "+ strGreaterThan;
|
|
}//if
|
|
sfm_show_error_msg(strError,objValue);
|
|
ret = false;
|
|
}//if
|
|
return ret;
|
|
}
|
|
function TestRegExp(objValue,strRegExp,strError)
|
|
{
|
|
var ret = true;
|
|
if( objValue.value.length > 0 &&
|
|
!objValue.value.match(strRegExp) )
|
|
{
|
|
if(!strError || strError.length ==0)
|
|
{
|
|
strError = objValue.name+": Invalid characters found ";
|
|
}//if
|
|
sfm_show_error_msg(strError,objValue);
|
|
ret = false;
|
|
}//if
|
|
return ret;
|
|
}
|
|
function TestDontSelect(objValue,dont_sel_index,strError)
|
|
{
|
|
var ret = true;
|
|
if(objValue.selectedIndex == null)
|
|
{
|
|
sfm_show_error_msg("ERROR: dontselect command for non-select Item");
|
|
ret = false;
|
|
}
|
|
if(objValue.selectedIndex == eval(dont_sel_index))
|
|
{
|
|
if(!strError || strError.length ==0)
|
|
{
|
|
strError = objValue.name+": Please Select one option ";
|
|
}//if
|
|
sfm_show_error_msg(strError);
|
|
ret = false;
|
|
}
|
|
return ret;
|
|
}
|
|
function TestSelectOneRadio(objValue,strError)
|
|
{
|
|
var objradio = objValue.form.elements[objValue.name];
|
|
var one_selected=false;
|
|
for(var r=0;r < objradio.length;r++)
|
|
{
|
|
if(objradio[r].checked == "1")
|
|
{
|
|
one_selected=true;
|
|
break;
|
|
}
|
|
}
|
|
if(false == one_selected)
|
|
{
|
|
if(!strError || strError.length ==0)
|
|
{
|
|
strError = "Please select one option from "+objValue.name;
|
|
}
|
|
sfm_show_error_msg(strError,objValue);
|
|
}
|
|
return one_selected;
|
|
}
|
|
|
|
function validateInput(strValidateStr,objValue,strError)
|
|
{
|
|
var ret = true;
|
|
var epos = strValidateStr.search("=");
|
|
var command = "";
|
|
var cmdvalue = "";
|
|
if(epos >= 0)
|
|
{
|
|
command = strValidateStr.substring(0,epos);
|
|
cmdvalue = strValidateStr.substr(epos+1);
|
|
}
|
|
else
|
|
{
|
|
command = strValidateStr;
|
|
}
|
|
switch(command)
|
|
{
|
|
case "req":
|
|
case "required":
|
|
{
|
|
ret = TestRequiredInput(objValue,strError)
|
|
break;
|
|
}//case required
|
|
case "maxlength":
|
|
case "maxlen":
|
|
{
|
|
ret = TestMaxLen(objValue,cmdvalue,strError)
|
|
break;
|
|
}//case maxlen
|
|
case "minlength":
|
|
case "minlen":
|
|
{
|
|
ret = TestMinLen(objValue,cmdvalue,strError)
|
|
break;
|
|
}//case minlen
|
|
case "alnum":
|
|
case "alphanumeric":
|
|
{
|
|
ret = TestInputType(objValue,"[^A-Za-z0-9]",strError,
|
|
objValue.name+": Only alpha-numeric characters allowed ");
|
|
break;
|
|
}
|
|
case "alnum_s":
|
|
case "alphanumeric_space":
|
|
{
|
|
ret = TestInputType(objValue,"[^A-Za-z0-9\\s]",strError,
|
|
objValue.name+": Only alpha-numeric characters and space allowed ");
|
|
break;
|
|
}
|
|
case "num":
|
|
case "numeric":
|
|
{
|
|
ret = TestInputType(objValue,"[^0-9]",strError,
|
|
objValue.name+": Only digits allowed ");
|
|
break;
|
|
}
|
|
case "dec":
|
|
case "decimal":
|
|
{
|
|
ret = TestInputType(objValue,"[^0-9\.]",strError,
|
|
objValue.name+": Only numbers allowed ");
|
|
break;
|
|
}
|
|
case "alphabetic":
|
|
case "alpha":
|
|
{
|
|
ret = TestInputType(objValue,"[^A-Za-z]",strError,
|
|
objValue.name+": Only alphabetic characters allowed ");
|
|
break;
|
|
}
|
|
case "alphabetic_space":
|
|
case "alpha_s":
|
|
{
|
|
ret = TestInputType(objValue,"[^A-Za-z\\s]",strError,
|
|
objValue.name+": Only alphabetic characters and space allowed ");
|
|
break;
|
|
}
|
|
case "email":
|
|
{
|
|
ret = TestEmail(objValue,strError);
|
|
break;
|
|
}
|
|
case "lt":
|
|
case "lessthan":
|
|
{
|
|
ret = TestLessThan(objValue,cmdvalue,strError);
|
|
break;
|
|
}
|
|
case "gt":
|
|
case "greaterthan":
|
|
{
|
|
ret = TestGreaterThan(objValue,cmdvalue,strError);
|
|
break;
|
|
}//case greaterthan
|
|
case "regexp":
|
|
{
|
|
ret = TestRegExp(objValue,cmdvalue,strError);
|
|
break;
|
|
}
|
|
case "dontselect":
|
|
{
|
|
ret = TestDontSelect(objValue,cmdvalue,strError)
|
|
break;
|
|
}
|
|
case "dontselectchk":
|
|
{
|
|
ret = TestDontSelectChk(objValue,cmdvalue,strError)
|
|
break;
|
|
}
|
|
case "shouldselchk":
|
|
{
|
|
ret = TestShouldSelectChk(objValue,cmdvalue,strError)
|
|
break;
|
|
}
|
|
case "selone_radio":
|
|
{
|
|
ret = TestSelectOneRadio(objValue,strError);
|
|
break;
|
|
}
|
|
}//switch
|
|
return ret;
|
|
}
|
|
function VWZ_IsListItemSelected(listname,value)
|
|
{
|
|
for(var i=0;i < listname.options.length;i++)
|
|
{
|
|
if(listname.options[i].selected == true &&
|
|
listname.options[i].value == value)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
function VWZ_IsChecked(objcheck,value)
|
|
{
|
|
if(objcheck.length)
|
|
{
|
|
for(var c=0;c < objcheck.length;c++)
|
|
{
|
|
if(objcheck[c].checked == "1" &&
|
|
objcheck[c].value == value)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(objcheck.checked == "1" )
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
/*
|
|
Copyright (C) 2003-2008 JavaScript-Coder.com . All rights reserved.
|
|
*/ |