//document.reg.email.onblur = CallServer_name;
var xmlHttp;
var retext;
try
{
	xmlHttp = new XMLHttpRequest();
}
catch (e)
{
		var XmlHttpVersions = new Array("MSXML2.XMlHTTP.6.0",
										"MSXML2.XMlHTTP.5.0",
										"MSXML2.XMlHTTP.4.0",
										"MSXML2.XMlHTTP.3.0",
										"MSXML2.XMlHTTP",
										"Microsoft.XMlHTTP");
	for(var i=0;i<XmlHttpVersions.length && !xmlHttp;i++)
	{
		try
		{
			xmlHttp = new ActiveXObject(XmlHttpVersions[i]);
		}
		catch (e) {}
	}
}
function CallServer_name()
{
	var js_name = document.getElementById("email").value;
	var url ="CheckName.php?js_name="+js_name;
	xmlHttp.open("GET",url,true);
	xmlHttp.onreadystatechange=handleRequestStateChange_name;
	xmlHttp.send(null);
}
function handleRequestStateChange_name()
{
	nameDiv = document.getElementById("regname");
	if(xmlHttp.readyState >= 4)
		if(xmlHttp.readyState == 4)
		{
			if(xmlHttp.status == 200)
			{
						
				try
				{
					retext = xmlHttp.responseText;
					nameDiv.innerHTML=retext;
				}
				catch(e)
				{
					alert("error" + e.toString());
				}
			}
			else
			{
				alert("error");
			}