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 jobtype(){
	if(!document.jobform.sb_fulltime.checked && !document.jobform.sb_parttime.checked ){
		alert("Please select Job type");		
			 return false;
	}

	if(document.jobform.sb_parttime.checked && document.jobform.conDuration.value == ""){
		alert("Please provide contract duration");		
     	return false;
	}
}

function chkexpdiff(){
	if(document.jobform.sb_experience_max.value < document.jobform.sb_experience_min.vale ){
		alert("Your Max Experience cant be less the Min Experience");		
		 return false;
	}
}

function chksaldiff(){
	if(document.jobform.rdnSal.value == 3 && ( document.jobform.sb_min_salary.value ==""  || document.jobform.sb_max_salary.value == "")){
		alert("Please enter Min and Max Salary expected");		
		 return false;
	}
	if(document.jobform.rdnSal.value == 3 && ( document.jobform.sb_currency.value =="")){
		alert("Please select currency");		
		 return false;
	}

}

/*function pwdvalidation()
{	
	alert(this.formobj.password.value);
	if(this.formobj.password.value != this.formobj.confirmation.value){
	alert(this.formobj.confirmation.value);
	}
	
	      if(document.emp_registration.confirmation.value != orig_pass)
        {
         alert("Confirm Password Mismatch");
          document.create_account.password.value="";
          document.create_account.confirmation.value="";
          document.create_account.password.focus();
         return false;
        }
		if(0){
			return false;
			}else{
			return true;
			}
}*/

function emp_checkme() {
missinginfo = "";
if (!document.emp_registration.term1.checked) {
missinginfo += "You must agree to the terms and conditions.";
}
/*if (!document.emp_registration.term2.checked) {
missinginfo += "\n - You must agree to the Privacy Policy.";
}*/
if (missinginfo != "") {
alert(missinginfo);
return false;
}
else {
return true;
}
}


function pwdvalidation(){
	var org_email;  
	org_email = document.create_account.email_address.value;
	      if(document.create_account.conemail_address.value != org_email)
        {
         alert("Confirm Email  Mismatch");
          //document.create_account.email_address.value="";
         // document.create_account.conemail_address.value="";
          document.create_account.email_address.focus();
         return false;
        }

	var orig_pass;
	orig_pass=document.create_account.password.value;
	      if(document.create_account.confirmation.value != orig_pass)
        {
         alert("Confirm Password Mismatch");
          document.create_account.password.value="";
          document.create_account.confirmation.value="";
          document.create_account.password.focus();
         return false;
        }
	

	}


function emailvalidation()
	{
	var org_email;
  alert("Confirm Email  Mismatch");
  alert(document.create_account.email_address.value);
	org_email = document.create_account.email_address.value;
	      if(document.create_account.conemail_address.value != org_email)
        {
         alert("Confirm Email  Mismatch");
          document.create_account.email_address.value="";
          document.create_account.conemail_address.value="";
          document.create_account.email_address.focus();
         return false;
        }




	}


function cand_checkme() {
missinginfo = "";
if (!document.cand_registration.term1.checked) {
missinginfo += "\n - You must agree to the terms and conditions.";
}
/*if (!document.cand_registration.term21.checked) {
missinginfo += "\n - You must agree to the Privacy Policy.";
}*/
if (missinginfo != "") {
alert(missinginfo);
return false;
}
else {
return true;
}
}



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;
    }//if
    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)
{
// a very simple email validation checking. 
// you can add more complex email checking if it helps 
    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"; 
              }//if 
              alert(strError); 
              return false; 
           }//if 
           break;             
         }//case required 
        case "maxlength": 
        case "maxlen": 
          { 
             if(eval(objValue.value.length) >  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : "+cmdvalue+" characters maximum "; 
               }//if 
               alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false; 
             }//if 
             break; 
          }//case maxlen 
        case "minlength": 
        case "minlen": 
           { 
             if(eval(objValue.value.length) <  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : " + cmdvalue + " characters minimum  "; 
               }//if               
               alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false;                 
             }//if 
             break; 
            }//case minlen 
        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 "; 
                }//if 
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//case alphanumeric 
        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 "; 
                }//if               
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break;               
           }//numeric 
        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 "; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//alpha 
        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 _"; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if             
            break;
            }
        case "email": 
          { 
               if(!validateEmailv2(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.name+": Enter a valid Email address "; 
                 }//if                                               
                 alert(strError); 
                 return false; 
               }//if 
           break; 
          }//case email 
				 /* case "checkbox": 
				  { 
						 
					   if(eval(objValue.value)==0) 
					   { 
						 alert(objValue.value);
						 if(!strError || strError.length ==0) 
					  { 
						strError = objValue.name + " : Required Field"; 
					  }//if 
					  alert(strError);                                                          
						
						 return false; 
					   }//if 
				   break; 
				  }//case emai*/







        case "lt": 
        case "lessthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.name+": Should be a number "); 
              return false; 
            }//if 
            if(eval(objValue.value) >=  eval(cmdvalue)) 
            { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : value should be less than "+ cmdvalue; 
              }//if               
              alert(strError); 
              return false;                 
             }//if             
            break; 
         }//case lessthan 
        case "gt": 
        case "greaterthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.name+": Should be a number "); 
              return false; 
            }//if 
             if(eval(objValue.value) <=  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : value should be greater than "+ cmdvalue; 
               }//if               
               alert(strError); 
               return false;                 
             }//if             
            break; 
         }//case greaterthan 
        case "regexp": 
         { 
            if(objValue.value.length > 0)
            {
                if(!objValue.value.match(cmdvalue)) 
                { 
                  if(!strError || strError.length ==0) 
                  { 
                    strError = objValue.name+": Invalid characters found "; 
                  }//if                                                               
                  alert(strError); 
                  return false;                   
                }//if 
            }
           break; 
         }//case regexp 
        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 "; 
              }//if                                                               
              alert(strError); 
              return false;                                   
             } 
             break; 
         }//case dontselect 
    }//switch 
    return true; 
}