function getDropdownList(pid,id){
	var textInfo;
	var url = "get.asp?pid="+pid+"&id="+id;
	var httpRequestObj=getHttpObject();
	if(httpRequestObj){
		httpRequestObj.open("GET",url,false);
		httpRequestObj.send(null);
		if(httpRequestObj.status == 200){
			var textInfo = httpRequestObj.responseText;
		}
	}
	getElement("tid_dropdown").innerHTML = textInfo;
}