// JavaScript Form Validator - Version 2.0.2 - Copyright 2003 JavaScript-coder.com. All rights reserved //
function Validator(frmname)
{this.formobj=document.forms[frmname];if(!this.formobj)
{alert("BUG: couldnot get Form object "+frmname);return;}
if(this.formobj.onsubmit)
{this.formobj.old_onsubmit = this.formobj.onsubmit;this.formobj.onsubmit=null;}
else
{this.formobj.old_onsubmit = null;}
this.formobj.onsubmit=form_submit_handler;this.addValidation = add_validation;this.setAddnlValidationFunction=set_addnl_vfunction;this.clearAllValidations = clear_all_validations;}
function set_addnl_vfunction(functionname)
{this.formobj.addnlvalidation = functionname;}
function clear_all_validations()
{for(var itr=0;itr < this.formobj.elements.length;itr++)
{this.formobj.elements[itr].validationset = null;}}
function form_submit_handler()
{for(var itr=0;itr < this.elements.length;itr++)
{if(this.elements[itr].validationset &&
!this.elements[itr].validationset.validate())
{return false;}}
if(this.addnlvalidation)
{str =" var ret = "+this.addnlvalidation+"()";eval(str);if(!ret) return ret;}
return true;}
function add_validation(itemname,descriptor,errstr)
{if(!this.formobj)
{alert("BUG: the form object is not set properly");return;}
var itemobj = this.formobj[itemname];if(!itemobj)
{alert("BUG: Couldnot get the input object named: "+itemname);return;}
if(!itemobj.validationset)
{itemobj.validationset = new ValidationSet(itemobj);}
itemobj.validationset.add(descriptor,errstr);}
function ValidationDesc(inputitem,desc,error)
{this.desc=desc;this.error=error;this.itemobj = inputitem;this.validate=vdesc_validate;}
function vdesc_validate()
{if(!V2validateData(this.desc,this.itemobj,this.error))
{this.itemobj.focus();return false;}
return true;}
function ValidationSet(inputitem)
{this.vSet=new Array();this.add= add_validationdesc;this.validate= vset_validate;this.itemobj = inputitem;}
function add_validationdesc(desc,error)
{this.vSet[this.vSet.length]= 
new ValidationDesc(this.itemobj,desc,error);}
function vset_validate()
{for(var itr=0;itr<this.vSet.length;itr++)
{if(!this.vSet[itr].validate())
{return false;}}
return true;}
function validateEmailv2(email)
{if(email.length <= 0)
{return true;}
var splitted = email.match("^(.+)@(.+)$");if(splitted == null) return false;if(splitted[1] != null )
{var regexp_user=/^\"?[\w-_\.]*\"?$/;if(splitted[1].match(regexp_user) == null) return false;}
if(splitted[2] != null)
{var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;if(splitted[2].match(regexp_domain) == null) 
{var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;if(splitted[2].match(regexp_ip) == null) return false;}// if
return true;}
return false;}
function V2validateData(strValidateStr,objValue,strError) 
{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": 
{if(eval(objValue.value.length) == 0) 
{if(!strError || strError.length ==0) 
{strError = objValue.name + " : Required Field";} 
alert(strError);return false;} 
break;}
case "maxlength": 
case "maxlen": 
{if(eval(objValue.value.length) > eval(cmdvalue)) 
{if(!strError || strError.length ==0) 
{strError = objValue.name + " : "+cmdvalue+" characters maximum ";} 
alert(strError + "\n[Current length = " + objValue.value.length + " ]");return false;} 
break;}
case "minlength": 
case "minlen": 
{if(eval(objValue.value.length) < eval(cmdvalue)) 
{if(!strError || strError.length ==0) 
{strError = objValue.name + " : " + cmdvalue + " characters minimum ";} 
alert(strError + "\n[Current length = " + objValue.value.length + " ]");return false;} 
break;}
case "alnum": 
case "alphanumeric": 
{var charpos = objValue.value.search("[^A-Za-z0-9]");if(objValue.value.length > 0 && charpos >= 0) 
{if(!strError || strError.length ==0) 
{strError = objValue.name+": Only alpha-numeric characters allowed ";} 
alert(strError + "\n [Error character position " + eval(charpos+1)+"]");return false;} 
break;}
case "num": 
case "numeric": 
{var charpos = objValue.value.search("[^0-9]");if(objValue.value.length > 0 && charpos >= 0) 
{if(!strError || strError.length ==0) 
{strError = objValue.name+": Only digits allowed ";} 
alert(strError + "\n [Error character position " + eval(charpos+1)+"]");return false;} 
break;}
case "alphabetic": 
case "alpha": 
{var charpos = objValue.value.search("[^A-Za-z]");if(objValue.value.length > 0 && charpos >= 0) 
{if(!strError || strError.length ==0) 
{strError = objValue.name+": Only alphabetic characters allowed ";} 
alert(strError + "\n [Error character position " + eval(charpos+1)+"]");return false;} 
break;}
case "alnumhyphen":
{var charpos = objValue.value.search("[^A-Za-z0-9\-_]");if(objValue.value.length > 0 && charpos >= 0) 
{if(!strError || strError.length ==0) 
{strError = objValue.name+": characters allowed are A-Z,a-z,0-9,- and _";} 
alert(strError + "\n [Error character position " + eval(charpos+1)+"]");return false;} 
break;}
case "email": 
{if(!validateEmailv2(objValue.value)) 
{if(!strError || strError.length ==0) 
{strError = objValue.name+": Enter a valid Email address ";} 
alert(strError);return false;} 
break;}
case "lt": 
case "lessthan": 
{if(isNaN(objValue.value)) 
{alert(objValue.name+": Should be a number ");return false;} 
if(eval(objValue.value) >= eval(cmdvalue)) 
{if(!strError || strError.length ==0) 
{strError = objValue.name + " : value should be less than "+ cmdvalue;} 
alert(strError);return false;} 
break;}
case "gt": 
case "greaterthan": 
{if(isNaN(objValue.value)) 
{alert(objValue.name+": Should be a number ");return false;} 
if(eval(objValue.value) <= eval(cmdvalue)) 
{if(!strError || strError.length ==0) 
{strError = objValue.name + " : value should be greater than "+ cmdvalue;} 
alert(strError);return false;} 
break;}
case "regexp": 
{if(objValue.value.length > 0)
{if(!objValue.value.match(cmdvalue)) 
{if(!strError || strError.length ==0) 
{strError = objValue.name+": Invalid characters found ";} 
alert(strError);return false;} }
break;}
case "dontselect": 
{if(objValue.selectedIndex == null) 
{alert("BUG: dontselect command for non-select Item");return false;} 
if(objValue.selectedIndex == eval(cmdvalue)) 
{if(!strError || strError.length ==0) 
{strError = objValue.name+": Please Select one option ";} 
alert(strError);return false;} 
break;}
}
return true;}