function findAbsPos(obj) {
	var curleft, curtop;
	curleft = 0;
	curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft;
		curtop = obj.offsetTop;
		obj = obj.offsetParent;
		while (obj) {
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
			obj = obj.offsetParent;
		}
	}
	return [curleft,curtop];
}
function makeEqual() {
	
	var ie6;
	if ( Prototype.Browser.IE && parseInt(navigator.userAgent.substring(navigator.userAgent.indexOf("MSIE")+5)) == 6 ) ie6 = true;
	else ie6 = false;
	
	var newsgroup = $$("#news_list > .catitem");
	var firstinnews = newsgroup[0]; 
	var secondinnews = newsgroup[1];
	var eventsgroup = $$("#event_list > .catitem");
	var firstinevent = eventsgroup[0];
	var secondinevent = eventsgroup[1];
	
	var beginingLT = findAbsPos(newsgroup[0]);
	var beginingLB = findAbsPos(newsgroup[1]);
	var beginingRT = findAbsPos(eventsgroup[0]);
	var beginingRB = findAbsPos(eventsgroup[1]);

	var h1L = ( beginingLB[1] - beginingLT[1] );
	var h1R = ( beginingRB[1] - beginingRT[1] );

	if (ie6) {
			h1L -= 15;
			h1R -= 15;
	} else {
		h1L -= 21;
		h1R -= 21;
	}
	if ( h1L > h1R ) { 
		 firstinevent.style.height =  h1L + 'px';
	} else {
		firstinnews.style.height =  h1R + 'px';
	}
}
Event.observe(window,'load',makeEqual);