var xmlHttp
function GetXmlHttpObject()
{
var xmlHttp=null;
try{
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();}
catch (e){
	 // Internet Explorer
	 try{
	  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");}
	 catch (e){
	  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");}
 }
 return xmlHttp;
}

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}
function trover(t) {t.style.backgroundColor='#D4BBFE';}
function trout(t) {t.style.backgroundColor='';}