function changeContent(reqURL, setId, reqId) {
	if(reqId=="0") {
		$("#"+setId).html('<option value="0">--------Please Select--------</option>');
	} else {
		loadXMLDoc(reqURL+"?req_id="+reqId, setId);
	}
}
function loadXMLDoc(reqUrl, setId)
{
	$.ajax({
		type:"GET", url:reqUrl,dataType:"textvalue",cache: false,success: function(response){
			$("#"+setId).html(response);	
		},error : function(XMLHttpRequest,textStatus,errorThrown){
			alert(errorThrown);
		}
	});
}