var xmlHttp;
function createXMLHttpRequest() {
    if (window.ActiveXObject) {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    } 
    else if (window.XMLHttpRequest) {
        xmlHttp = new XMLHttpRequest();
    }
}

function doPostGet(cid)
{
		createXMLHttpRequest();
		xmlHttp.onreadystatechange = getSongList;
		xmlHttp.open("GET","getproduct.asp?cid="+ cid +"&timeStamp=" + new Date().getTime(),true);
		xmlHttp.send(null);
}

function getSongList()
{
	if(xmlHttp.readyState==4)
	{
		if(xmlHttp.status == 200)
		{
			document.getElementById("spanproduct").innerHTML=xmlHttp.responseText;
		}
	}
}