var xmlHttp
	
	function loadSubcategories(str)
	{
		xmlHttp=GetXmlHttpObject()
			if(xmlHttp==null)
		{
			alert("Browser does not support Hppt request")
			return
		}
		var url="load_subcat.php"
		url=url+"?q="+str
		url=url+"&sid="+Math.random()
		xmlHttp.onreadystatechange=stateChanged
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
	}
	
	function stateChanged()
	{
		if(xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
		{
			document.getElementById("txtHint").innerHTML=xmlHttp.responseText
		}
	}
	
	function GetXmlHttpObject()
	{
		var xmlHttp=null;
		try
		{
			//FireFox, Opera 8.0+, Safari
			xmlHttp=new XMLHttpObject();
			
		}
		catch (e)
		{
			//Internet Explorer
			try
			{
				xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
			}
			catch (e)
			{
				xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			}
		}
		return xmlHttp;
	}