function validate_form()
{
   	if(document.getElementById('name1').value=='')
	{
	alert("Enter Name: !");
	document.getElementById('name1').focus();
	return false;
	}
    if(document.getElementById('email').value=='')
	{
	alert("Enter E-mail !");
	document.getElementById('email').focus();
	return false;
	}

	if(document.getElementById('pass1').value=='')
	{
	alert("Enter Password !");
	document.getElementById('pass1').focus();
	return false;
	}
    if(document.getElementById('pass1').value != document.getElementById('pass2').value)
	{
	alert("Password not match!");
	document.getElementById('pass2').value='';
	document.getElementById('pass2').focus();
	return false;
	}
	if(document.getElementById('country').selectedIndex == 0)
	{
	alert("Select Country !");
	document.getElementById('country').focus();
	return false;
	}
		else
	{
	return true;
	}
	
}





var xmlHttp


function showUser(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="check_user_ajax.php"
url=url+"?q="+str
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}


function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("txtHint").innerHTML=xmlHttp.responseText 
 } 
}


function GetXmlHttpObject()
{
var xmlHttp=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 //Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}