var captcha_flag1=0;
		var xmlHttp110;
		function checkcaptcha1()
		{
		
		var vcode1=document.f1.txtCaptcha.value;
		var len1=document.f1.txtCaptcha.value.length;
		
			if(len1>0)
			{		

			xmlHttp110=GetXmlHttpObject();
			if(xmlHttp110==null)
				  {
				  	alert ("Browser does not support HTTP Request");
			  		return false ;
				  } 
 		
			var url="register_ajax_captcha.php";
			url=url+"?q="+vcode1;
			url=url+"&sid="+Math.random();
			xmlHttp110.onreadystatechange=stateChange1;
			xmlHttp110.open("GET",url,true);
			xmlHttp110.send(null);
			}
		else
			{	
			document.getElementById("txtCapcha1").style.color="black";
			document.getElementById("txtCapcha1").innerHTML='';
			}
	}

		function stateChange1() 
		{ 
			if (xmlHttp110.readyState==4 || xmlHttp110.readyState=="complete")
			 { 
				captcha_flag1=xmlHttp110.responseText;
				if(captcha_flag1==1)
					{
					document.getElementById("txtCapcha1").style.color="white";
					document.getElementById("txtCapcha1").innerHTML="Correct";
					}
				else
					{
					document.getElementById("txtCapcha1").style.color="white";
					document.getElementById("txtCapcha1").innerHTML="Incorrect";
					}
			 } 
		}
	
	






function GetXmlHttpObject()
{ 
	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}