// JavaScript Document

var request;
function validcode(cvalue)
{

if(document.frmsignup.txtsecuritycode.value=="")	
{
  document.getElementById('securitycodediv').innerHTML="Please Enter Security Code";
  return false;	
}
else if(document.frmsignup.txtsecuritycode.value!="")
{
    
	    
		   request=checkbrowser();
			if(request==null)
			{
				alert("please check Your Browser");
				return;
			}
		
		   url="chkcode.php?code="+cvalue+"&mth="+Math.random();
		   request.onreadystatechange=checkcode;	
		   request.open("GET",url,true);
		   request.send(null);
		
		
}

function checkcode()
{

if(request.readyState==4)
	{
		
		var resp=request.responseText;
		if(resp==0)
		{
		
		document.getElementById('securitycodediv').innerHTML="Security Code is Different";
		document.getElementById('txtsecuritycode').value="";		
		}
		else if(resp==1)
		{
		
		 document.getElementById('securitycodediv').innerHTML="<font color='green'>Code Verified</font>";
		 
		// document.getElementById('securitycodediv').class='email1';
		 
		}
 	
	}	
}


// function for checking the browser compatibility of the code
function checkbrowser()
{
var request;

try
{
request=new XMLHttpRequest();
}
catch (e)
  {
	   try
		{
		request=new ActiveXObject("Msxml2.XMLHTTP");
		}
	  catch (e)
		{
			try
			  {
			  request=new ActiveXObject("Microsoft.XMLHTTP");
			  }
			catch (e)
				  {
				  alert("Your browser does not support AJAX!");
				  return false;
				  }
		}
  }
  return request;
}
}