// JavaScript Document var url="getcustomer.asp?sid=" + Math.random() + "&q=" + str


	var xmlHttp
	
	function checkUsername(uname,email)
	{ 
	
		var url="user/username_duplication_check.php?user=" + uname+"&useremail="+email;
		xmlHttp=GetXmlHttpObject(stateChanged)
		xmlHttp.open("GET", url , true)
		xmlHttp.send(null)
		
	} 
	
	function stateChanged() 
	{ 
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
		{						
 			if(xmlHttp.responseText == 1)
 			{								
 				   alert(""+js_replace_array[60]+"");					
 			}
 			else if(xmlHttp.responseText == 2)
 			{
 				    alert(""+js_replace_array[54]+"");
 			}
 			else
 			{	
 				 document.form_signup.save.disabled  = true;		 				 
 			  document.form_signup.submit();			 
 			}
					
		} 
	} 
	
	function GetXmlHttpObject(handler)
	{ 
		var objXmlHttp=null
	
		if (navigator.userAgent.indexOf("Opera")>=0)
		{
			alert("This example doesn't work in Opera") 
			return 
		}
		if (navigator.userAgent.indexOf("MSIE")>=0)
		{ 
			var strName="Msxml2.XMLHTTP"
			if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
			{
				strName="Microsoft.XMLHTTP"
			} 
			try
			{ 
				objXmlHttp=new ActiveXObject(strName)
				objXmlHttp.onreadystatechange=handler 
				return objXmlHttp
			} 
			catch(e)
			{ 
				alert("Error. Scripting for ActiveX might be disabled") 
				return 
			} 
		} 
			if (navigator.userAgent.indexOf("Mozilla")>=0)
			{
				objXmlHttp=new XMLHttpRequest()
				objXmlHttp.onload=handler
				objXmlHttp.onerror=handler 
				return objXmlHttp
			}
	}