function validate(){
		if(document.myform.name.value==""){
			alert("Please insert Your Name");
			document.myform.name.focus();
			document.myform.name.value="";
			return false;
		};
		if(document.myform.user.value==""){
			alert("Please insert UserId");
			document.myform.user.value="";
			document.myform.user.focus();
			return false;
		}
		else
		{
		var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
		if (filter.test(document.myform.user.value))
			{}
		else{
			alert("Please input a valid email address!")
			document.myform.user.value="";
			return false;
			}
			
		};
		if(document.myform.pass.value==""){
			alert("Please insert Password");
			document.myform.pass.focus();
			document.myform.pass.value="";
			return false;
		};
		if(document.myform.conpass.value==""){
			alert("Please insert Confirm Password");
			document.myform.conpass.focus();
			document.myform.conpass.value="";
			return false;
		};
		if(document.myform.address.value==""){
			alert("Please insert Contact Address");
			document.myform.address.focus();
			document.myform.address.value="";
			return false;
		};
		if(document.myform.city.value==""){
			alert("Please insert City");
			document.myform.city.focus();
			document.myform.city.value="";
			return false;
		};
		if(document.myform.pin.value==""){
		alert("Please insert Pincode");
		document.myform.pin.focus();
		return false;
		};
		if(isNaN(document.myform.pin.value)){
			alert("Please insert valid Pincode");
			document.myform.pin.value="";
			document.myform.pin.focus();
		return false;
		};
		if(document.myform.phone.value==""){
			alert("Please insert Phone");
			document.myform.phone.focus();
		return false;
		};
		if(isNaN(document.myform.phone.value)){
		alert("Please insert valid Phone No.");
		document.myform.phone.focus();
		document.myform.phone.value="";
		return false;
		};
		if(document.myform.proof.value==""){
		alert("Please insert Proof No.");
		document.myform.proof.focus();
		return false;
		};
		if(document.myform.pass.value!=document.myform.conpass.value){
		alert("Please insert same Password");
		document.myform.conpass.value="";
		document.myform.conpass.focus();
		return false;
		};
};

function isalpha(i){
 var  objValue=document.getElementById(i)
 var charpos = objValue.value.search("[^A-Za-z. ]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              {  
                 alert("Only alphabetic characters allowed"); 
				 document.getElementById(i).focus();
				 document.getElementById(i).value="";
				 return false; 
               }//if
};

function isnum(i){
 var  objValue=document.getElementById(i)
 var charpos = objValue.value.search("[^0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              {  
                 alert("Only Digits are allowed"); 
				 document.getElementById(i).focus()
				 document.getElementById(i).value="";
				 return false; 
               }
			    
};
function isalnum(i){
 var  objValue=document.getElementById(i)
 var charpos = objValue.value.search("[^A-Za-z0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              {  
                 alert("Only alpha-numeric characters allowed"); 
				 document.getElementById(i).focus()
				 document.getElementById(i).value="";
				 return false; 
               }
			    
};
function dontselect(i){
 var objValue=document.getElementById(i)
              if(objValue.selectedIndex == null) 
              {  
                 alert("Select Any One No. Type"); 
				 return false; 
               }
			    
};


//email validation
function chkUser()
{
var str=document.myform.user.value;
//alert(str);
//checking valid email
var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
		if (filter.test(str))
			{}
		else{
			alert("Please input a valid email address!")
			document.myform.user.focus();
			document.myform.user.value="";
			return false;
			}
var xz=document.getElementById("sUser");
		xz.innerHTML="<img src=\"reload.gif\">";

x=GetXmlHttpObject();

if(x==null)
{
alert("Browser dose not support HTTP Request");
return;
}

var url="chkUser.asp";

url=url+"?id=" +str;
//alert(url);
x.onreadystatechange=sChanged;
x.open("Get",url,true);
x.send(null);
};
function GetXmlHttpObject()
{
	//Creating object of XMLHTTP in IE
	 if (window.XMLHttpRequest) {
         req = new XMLHttpRequest( );
         }
     else if (window.ActiveXObject) {
         req = new ActiveXObject("Microsoft.XMLHTTP");
         }

	return req;
}
function sChanged()
{

if(x.readyState==4 || x.readyState=="complete")
{
			if (window.XMLHttpRequest) 
			{
			try{
			//alert("x.responseText");
			var xz=document.getElementById("sUser");
			//alert(x.responseText);
			xz.innerHTML=x.responseText;
			//alert(x.responseText);
			if (xz.innerHTML=="<chk>OK</chk>"){
			xz.innerHTML="<img src=\"right.gif\">";}
			else
			{xz.innerHTML="<img src=\"wrong.gif\">";};
			//xz.innerHTML="TET";
			//    nonMSPopulate();
              //  ClearAndSetStateListItems(x.responseXML.documentElement);
			  }catch(e){alert(e);}
            }
            else if (window.ActiveXObject) 
			{
			var xz=document.getElementById("sUser");
			xz.innerHTML=x.responseText;
			//alert(xz.innerHTML);
			if (xz.innerHTML=="OK</CHK>"){
			xz.innerHTML="<img src=\"right.gif\">";}
			else
			{xz.innerHTML="<img src=\"wrong.gif\">";};
			
              //  ClearAndSetStateListItems(x.responseXML.documentElement);
            }
		}
		
}