function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	{
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	 }
	return xmlHttp;
}

function checkemail(str)
{
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
	var url = "checkemail.php"
	params = "str=" + str + "&type=reg"
	xmlHttp.onreadystatechange=function () 
	{ 
		if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete")
		{ 
			if(xmlHttp.responseText == "Already Registered")
			{
				alert("E-Mail Already Registered");
				document.getElementById("email").value ='';
			}
		}
	}
	xmlHttp.open("POST",url,true);
	xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlHttp.setRequestHeader("Content-length", params.length);
	xmlHttp.setRequestHeader("Connection", "close");
	xmlHttp.send(params)
}

function checkemailR(str, id)
{
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
	var url = "../checkemail.php"
	params = "str=" + str + "&type=reg&id=" + id
	xmlHttp.onreadystatechange=function () 
	{ 
		if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete")
		{ 
			if(xmlHttp.responseText == "Already Registered")
			{
				alert("E-Mail Already Registered");
				document.getElementById("email").value ='';
			}
		}
	}
	xmlHttp.open("POST",url,true);
	xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlHttp.setRequestHeader("Content-length", params.length);
	xmlHttp.setRequestHeader("Connection", "close");
	xmlHttp.send(params)
}