function findPos(obj) {
					var curleft = curtop = 0;
					if (obj.offsetParent) {
						do {
							curleft += obj.offsetLeft;
							curtop += obj.offsetTop;
						} while (obj = obj.offsetParent);
							return [curleft,curtop];
					}
				}

show_agenda_balloon=function(a_div,content){
	date_div=document.getElementById(a_div);
	balloon_a=document.getElementById('balloon');
	imgLoc=findPos(date_div);
	balloon_a.style.display="block";
	balloon_a.style.top=(imgLoc[1]-78)+"px"; 
	balloon_a.style.left=(imgLoc[0]-36)+"px";
	balloon_a.innerHTML=content;
}
hide_agenda_balloon=function(a_div){
	balloon_a=document.getElementById('balloon');
	if (balloon_a) {
		balloon_a.style.display="none";
	}
}

function goto(url) {
	location.href=url;
}