var xmlHttp
function show_pdt(str)
	{ 
		xmlHttp=GetXmlHttpObject()
		if (xmlHttp==null)
			{
				alert ("Browser does not support HTTP Request")
				return
			} 
		var url="get_products.php"
		url=url+"?cid="+str;
		xmlHttp.onreadystatechange=stateChangedpdt 
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
	}
function stateChangedpdt() 
	{ 
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
			{ 
				document.getElementById("ajx_products").innerHTML=xmlHttp.responseText 
			} 
	} 

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