function Validator(frmname){
  this.formobj=document.forms[frmname];
	if(!this.formobj){
	  	alert("Error: 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._sfm_form_name=frmname;
	this.formobj.onsubmit=form_submit_handler;
	this.addValidation = add_validation;
	this.setAddnlValidationFunction=set_addnl_vfunction;
	this.clearAllValidations = clear_all_validations;
    this.disable_validations = false;//new
    document.error_disp_handler = new sfm_ErrorDisplayHandler();
    this.EnableOnPageErrorDisplay=validator_enable_OPED;
	this.EnableOnPageErrorDisplaySingleBox=validator_enable_OPED_SB;
    this.show_errors_together=true;
    this.EnableMsgsTogether=sfm_enable_show_msgs_together;
}
function set_addnl_vfunction(functionname){
  this.formobj.addnlvalidation = functionname;
}
function sfm_enable_show_msgs_together(){
    this.show_errors_together=true;
    this.formobj.show_errors_together=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(){
   var bRet = true;
    document.error_disp_handler.clear_msgs();
	for(var itr=0;itr < this.elements.length;itr++){
		if(this.elements[itr].validationset &&
	   !this.elements[itr].validationset.validate()){
		  bRet = false;
		}
        if(!bRet && !this.show_errors_together){
          break;
        }
	}
    if(!bRet){
      document.error_disp_handler.FinalShowMsg();
      return false;
    }
	if(this.addnlvalidation){
	  str =" var ret = "+this.addnlvalidation+"()";
	  eval(str);
    if(!ret) return ret;
	}
	return true;
}
function add_validation(itemname,descriptor,errstr){
	var condition = null;
	if(arguments.length > 3){
	 condition = arguments[3];
	}
  if(!this.formobj){
		alert("Error: The form object is not set properly");
		return;
	}
	var itemobj = this.formobj[itemname];
    //for radio button; don't do for 'select' item
    if(itemobj.length && isNaN(itemobj.selectedIndex) ){
		itemobj = itemobj[0];
	}
  if(!itemobj){
		alert("Error: Couldnot get the input object named: "+itemname);
		return;
	}
	if(!itemobj.validationset){
		itemobj.validationset = new ValidationSet(itemobj,this.show_errors_together);
	}
	itemobj.validationset.add(descriptor,errstr,condition);
    itemobj.validatorobj=this;
}
function validator_enable_OPED(){
    document.error_disp_handler.EnableOnPageDisplay(false);
}
function validator_enable_OPED_SB(){
	document.error_disp_handler.EnableOnPageDisplay(true);
}
function sfm_ErrorDisplayHandler(){
  this.msgdisplay = new AlertMsgDisplayer();
  this.EnableOnPageDisplay= edh_EnableOnPageDisplay;
  this.ShowMsg=edh_ShowMsg;
  this.FinalShowMsg=edh_FinalShowMsg;
  this.all_msgs=new Array();
  this.clear_msgs=edh_clear_msgs;
}
function edh_clear_msgs(){
    this.msgdisplay.clearmsg(this.all_msgs);
    this.all_msgs = new Array();
}
function edh_FinalShowMsg(){
    this.msgdisplay.showmsg(this.all_msgs);
}
function edh_EnableOnPageDisplay(single_box){
	if(true == single_box){
		this.msgdisplay = new SingleBoxErrorDisplay();
	}else{
		this.msgdisplay = new DivMsgDisplayer();
	}
}
function edh_ShowMsg(msg,input_element){
   var objmsg = new Array();
   objmsg["input_element"] = input_element;
   objmsg["msg"] =  msg;
   this.all_msgs.push(objmsg);
}
function AlertMsgDisplayer(){
  this.showmsg = alert_showmsg;
  this.clearmsg=alert_clearmsg;
}
function alert_clearmsg(msgs){

}
function alert_showmsg(msgs){
    var whole_msg="";
    var first_elmnt=null;
    for(var m=0;m < msgs.length;m++){
        if(null == first_elmnt){
            first_elmnt = msgs[m]["input_element"];
        }
        whole_msg += msgs[m]["msg"] + "\n";
    }
    if(null != first_elmnt){
    	var msg_span = document.getElementById("_"+first_elmnt.name+"_msg");
        if(msg_span!=null){
			msg_span.innerHTML = whole_msg;
		}else{
			alert(whole_msg);
		}
    }else{
    	alert(whole_msg);
	}
}
function sfm_show_error_msg(msg,input_elmt){
    document.error_disp_handler.ShowMsg(msg,input_elmt);
}
function SingleBoxErrorDisplay(){
 this.showmsg=sb_div_showmsg;
 this.clearmsg=sb_div_clearmsg;
}
function sb_div_clearmsg(msgs){
	var divname = form_error_div_name(msgs);
	show_div_msg(divname,"");
}
function sb_div_showmsg(msgs){
	var whole_msg="<ul>\n";
	for(var m=0;m < msgs.length;m++){
        whole_msg += "<li>" + msgs[m]["msg"] + "</li>\n";
    }
	whole_msg += "</ul>";
	var divname = form_error_div_name(msgs);
	show_div_msg(divname,whole_msg);
}
function form_error_div_name(msgs){
	var input_element= null;
	for(var m in msgs){
	 input_element = msgs[m]["input_element"];
	 if(input_element){break;}
	}
	var divname ="";
	if(input_element){
	 divname = input_element.form._sfm_form_name + "_errorloc";
	}
	return divname;
}
function DivMsgDisplayer(){
 this.showmsg=div_showmsg;
 this.clearmsg=div_clearmsg;
}
function div_clearmsg(msgs){
    for(var m in msgs){
        var divname = element_div_name(msgs[m]["input_element"]);
        show_div_msg(divname,"");
    }
}
function element_div_name(input_element){
  var divname = input_element.form._sfm_form_name + "_" + input_element.name + "_errorloc";
  divname = divname.replace(/[\[\]]/gi,"");
  return divname;
}
function div_showmsg(msgs){
    var whole_msg;
    var first_elmnt=null;
    for(var m in msgs){
        if(null == first_elmnt){
            first_elmnt = msgs[m]["input_element"];
        }
        var divname = element_div_name(msgs[m]["input_element"]);
        show_div_msg(divname,msgs[m]["msg"]);
    }
    if(null != first_elmnt){
        first_elmnt.focus();
    }
}
function show_div_msg(divname,msgstring){
	if(divname.length<=0) return false;
	if(document.layers){
		divlayer = document.layers[divname];
        if(!divlayer){return;}
		divlayer.document.open();
		divlayer.document.write(msgstring);
		divlayer.document.close();
	}
	else
	if(document.all){
		divlayer = document.all[divname];
        if(!divlayer){return;}
		divlayer.innerHTML=msgstring;
	}
	else
	if(document.getElementById){
		divlayer = document.getElementById(divname);
        if(!divlayer){return;}
		divlayer.innerHTML =msgstring;
	}
	divlayer.style.visibility="visible";
	return false;
}
function ValidationDesc(inputitem,desc,error,condition){
  this.desc=desc;
	this.error=error;
	this.itemobj = inputitem;
	this.condition = condition;
	this.validate=vdesc_validate;
}
function vdesc_validate(){
	if(this.condition != null ){
		if(!eval(this.condition)){
			return true;
		}
	}
	if(!validateInput(this.desc,this.itemobj,this.error)){
		this.itemobj.validatorobj.disable_validations=true;
		this.itemobj.focus();
		return false;
	}
	return true;
}
function ValidationSet(inputitem,msgs_together){
    this.vSet=new Array();
	this.add= add_validationdesc;
	this.validate= vset_validate;
	this.itemobj = inputitem;
    this.msgs_together = msgs_together;
}
function add_validationdesc(desc,error,condition){
  this.vSet[this.vSet.length]=
  new ValidationDesc(this.itemobj,desc,error,condition);
}
function vset_validate(){
    var bRet = true;
    for(var itr=0;itr<this.vSet.length;itr++){
        bRet = bRet && this.vSet[itr].validate();
        if(!bRet && !this.msgs_together){
            break;
        }
    }
    return bRet;
}
function toDate(DateStr){
    var converted = Date.parse(DateStr);   
    var myDate = new Date(converted);
    if (isNaN(myDate)){  
        var arys= DateStr.split('-');   
        myDate = new Date(arys[0],--arys[1],arys[2]);
    }
    return myDate;   
} 
function validateEmail(email){
    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 =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
	    if(splitted[2].match(regexp_ip) == null) return false;
      }// if
      return true;
    }
return false;
}
function validateDate(date){
    var regex = new RegExp("^(?:(?:([0-9]{4}(-|\/)(?:(?:0?[1,3-9]|1[0-2])(-|\/)(?:29|30)|((?:0?[13578]|1[02])(-|\/)31)))|([0-9]{4}(-|\/)(?:0?[1-9]|1[0-2])(-|\/)(?:0?[1-9]|1\\d|2[0-8]))|(((?:(\\d\\d(?:0[48]|[2468][048]|[13579][26]))|(?:0[48]00|[2468][048]00|[13579][26]00))(-|\/)0?2(-|\/)29))))$");
    if(regex.test(date)){
    	return true;
    }
	return false;
}
function validateFloat(obj){
	var reg = RegExp(/^[0-9]+[.][0-9]+$/);
	if (reg.test(obj)) return true;
	reg = RegExp(/^[-][0-9]+[.][0-9]+$/);
	if (reg.test(obj)) return true;
	reg = RegExp(/^[0-9]+$/);
	if (reg.test(obj)) return true;
	reg = RegExp(/^[-][0-9]+$/);
	if (reg.test(obj)) return true;
return false;
}
function IsCheckSelected(objValue,chkValue){
    var selected=false;
	var objcheck = objValue.form.elements[objValue.name];
    if(objcheck.length){
		var idxchk=-1;
		for(var c=0;c < objcheck.length;c++){
		   if(objcheck[c].value == chkValue){
		     idxchk=c;
			 break;
		   }
		}//for
		if(idxchk>= 0){
		  if(objcheck[idxchk].checked=="1"){
		    selected=true;
		  }
		}
	}else{
		if(objValue.checked == "1"){
			selected=true;
		}
	}//else	
	return selected;
}
function TestDontSelectChk(objValue,chkValue,strError){
	var pass = true;
	pass = IsCheckSelected(objValue,chkValue)?false:true;
	if(pass==false){
     if(!strError || strError.length ==0){
        	strError = "Can't Proceed as you selected "+objValue.name;
        }
	  sfm_show_error_msg(strError,objValue);
	}
    return pass;
}
function TestShouldSelectChk(objValue,chkValue,strError){
	var pass = true;
	pass = IsCheckSelected(objValue,chkValue)?true:false;
	if(pass==false){
     if(!strError || strError.length ==0){
        	strError = "You should select "+objValue.name;
        }
	  sfm_show_error_msg(strError,objValue);
	}
    return pass;
}
function TestRequiredInput(objValue,strError){
 var ret = true;
 var val = objValue.value;
 val = val.replace(/^\s+|\s+$/g,"");//trim
    if(eval(val.length) == 0){
       if(!strError || strError.length ==0){
         strError = objValue.name + " : Required Field";
       }
       sfm_show_error_msg(strError,objValue);
       ret=false;
    }
return ret;
}
function TestMax(objValue,valMax,strError){
  var ret = true;
    if(parseFloat(objValue.value) > parseFloat(valMax)){
      if(!strError || strError.length ==0){
        strError = objValue.name + " : "+ valMax +" characters maxmum ";
      }
      sfm_show_error_msg(strError,objValue);
      ret = false;
    }
return ret;
}
function TestMin(objValue,valMin,strError){
  var ret = true;
    if(parseFloat(objValue.value) < parseFloat(valMin)){
      if(!strError || strError.length ==0){
        strError = objValue.name + " : "+ valMin +" characters minmum ";
      }
      sfm_show_error_msg(strError,objValue);
      ret = false;
    }
return ret;
}
function TestMaxLen(objValue,strMaxLen,strError){
 var ret = true;
    if(eval(objValue.value.length) > eval(strMaxLen)){
      if(!strError || strError.length ==0){
        strError = objValue.name + " : "+ strMaxLen +" characters maximum ";
      }
      sfm_show_error_msg(strError,objValue);
      ret = false;
    }
return ret;
}
function TestMinLen(objValue,strMinLen,strError){
 var ret = true;
    if(eval(objValue.value.length) <  eval(strMinLen)){
      if(!strError || strError.length ==0)
      {
        strError = objValue.name + " : " + strMinLen + " characters minimum  ";
      }
      sfm_show_error_msg(strError,objValue);
      ret = false;
    }
return ret;
}
function TestInputType(objValue,strRegExp,strError,strDefaultError){
   var ret = true;
    var charpos = objValue.value.search(strRegExp);
    if(objValue.value.length > 0 &&  charpos >= 0){
     if(!strError || strError.length ==0)
      {
        strError = strDefaultError;
      }
      sfm_show_error_msg(strError,objValue);
      ret = false;
    }
 return ret;
}
function TestEmail(objValue,strError){
var ret = true;
     if(objValue.value.length > 0 && !validateEmail(objValue.value)){
       if(!strError || strError.length ==0){
          strError = objValue.name+": Enter a valid Email address ";
       }
       sfm_show_error_msg(strError,objValue);
       ret = false;
     }
return ret;
}
function TestDate(objValue,strError){
var ret = true;
     if(objValue.value.length > 0 && !validateDate(objValue.value)){
       if(!strError || strError.length ==0){
          strError = objValue.name+": Enter a valid Date (eg. 2007-07-07) ";
       }
       sfm_show_error_msg(strError,objValue);
       ret = false;
     }
return ret;
}
function TestFloat(objValue,strError){
var ret = true;
     if(objValue.value.length > 0 && !validateFloat(objValue.value)){
       if(!strError || strError.length ==0){
          strError = objValue.name+": is not a Float ";
       }
       sfm_show_error_msg(strError,objValue);
       ret = false;
     }
return ret;
}
function TestCNMobileOhone(objValue,strError){
var ret = true;
	if(objValue.value.length > 0 && !/^1[358]\d{9}$/.test(objValue.value)){
		if(!strError || strError.length ==0){
			strError = objValue.name+": Enter a valid CN mobile phone number ";
		}
		sfm_show_error_msg(strError,objValue);
		ret = false;
	}
return ret;
}
function TestDomain(objValue,strError){
var ret = true;
	if(objValue.value.length > 0 && !objValue.value.match(/^([a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,6}$/)){
		if(!strError || strError.length ==0){
			strError = objValue.name+": Enter a valid web address ";
		}
		sfm_show_error_msg(strError,objValue);
		ret = false;
	}
return ret;
}
function TestEarlyThan(objValue,dateEarlyThan,strError){
var ret = true;
	if(isNaN(toDate(objValue.value))||(isNaN(toDate(dateEarlyThan)))){
		sfm_show_error_msg(objValue.name + " OR " + dateEarlyThan +": Should be a Date ",objValue);
		ret = false;
	}else{
		if(toDate(objValue.value)>toDate(dateEarlyThan)){
			if(!strError || strError.length ==0){
				strError = objValue.name + " : value should be early than "+ dateEarlyThan;
			}
			sfm_show_error_msg(strError,objValue);
			ret = false;
		}
	}
return ret;
}
function TestLateThan(objValue,dateLateThan,strError){
var ret = true;
	if(isNaN(toDate(objValue.value))||(isNaN(toDate(dateLateThan)))){
		sfm_show_error_msg(objValue.name + " OR " + dateLateThan +": Should be a Date ",objValue);
		ret = false;
	}else{
		if(toDate(objValue.value)<toDate(dateLateThan)){
			if(!strError || strError.length ==0){
				strError = objValue.name + " : value should be late than "+ dateLateThan;
			}
			sfm_show_error_msg(strError,objValue);
			ret = false;
		}
	}
return ret;
}
function TestLessThan(objValue,strLessThan,strError){
var ret = true;
	  if(isNaN(objValue.value)){
	    sfm_show_error_msg(objValue.name +": Should be a number ",objValue);
	    ret = false;
	  }else if(eval(objValue.value) >=  eval(strLessThan)){
	    if(!strError || strError.length ==0){
	      strError = objValue.name + " : value should be less than "+ strLessThan;
	    }
	    sfm_show_error_msg(strError,objValue);
	    ret = false;
	   }
return ret;
}
function TestGreaterThan(objValue,strGreaterThan,strError){
var ret = true;
     if(isNaN(objValue.value)){
       sfm_show_error_msg(objValue.name+": Should be a number ",objValue);
       ret = false;
     } else if(eval(objValue.value) <=  eval(strGreaterThan)){
        if(!strError || strError.length ==0){
          strError = objValue.name + " : value should be greater than "+ strGreaterThan;
        }
        sfm_show_error_msg(strError,objValue);
        ret = false;
      }
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 ";
      }
      sfm_show_error_msg(strError,objValue);
      ret = false;
    }
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 ";
      }
      sfm_show_error_msg(strError,objValue);
      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){
	  	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 "num_f":
        case "numeric_f":{
                ret = TestInputType(objValue,"[^0-9\.0-9]",strError,
						objValue.name+": Only digits allowed ");
                break;
           }
        case "float":{
                ret = TestFloat(objValue,strError);
                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 "date": {
			   ret = TestDate(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;
		}
		case "max": {
			ret = TestMax(objValue,cmdvalue,strError);
		    break;
		}
		case "min": {
			ret = TestMin(objValue,cmdvalue,strError);
		    break;
		}
		case "earlyThan": {//Date
			ret = TestEarlyThan(objValue,cmdvalue,strError);
		    break;
		}
		case "lateThan": {//Date
			ret = TestLateThan(objValue,cmdvalue,strError);
		    break;
		}
		case "cn_mobile_phone": {
			ret = TestCNMobileOhone(objValue,strError);
		    break;
		}
		case "domain": {
			ret = TestDomain(objValue,strError);
		    break;
		}
    }
	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;
}
function _clear_msg(nameValue){
	var msg_span = document.getElementById("_" + nameValue + "_msg");
	if(msg_span!=null){
		msg_span.innerHTML = "&nbsp;";
	}
}