//Extend height of Right column with respect to left column
//fixing column height problem for sub page
Event.observe(window,"load",function(){
	var leftmaxheight = 0;
	var maxheight = 0;
	if(document.all) { //This means it is IE
		if($('content_left') != null){
			var FramecontentLeft = parseInt(document.getElementById('content_left').offsetHeight);
			var FramecontentRight = parseInt(document.getElementById('content_middle').offsetHeight);
			var maxheight = (FramecontentLeft>FramecontentRight)?(FramecontentLeft):(FramecontentRight);
			maxheight = maxheight + 'px';
			leftmaxheight = (parseInt(maxheight)) + 'px';
			$('content_left').setStyle({'height' : maxheight});
			$('content_middle').setStyle({'height' : leftmaxheight});
		}
	} else {
		if($('content_left') != null){
			var FramecontentLeft = parseInt(document.getElementById('content_left').getStyle('height'));
			var FramecontentRight = parseInt(document.getElementById('content_middle').getStyle('height'));
			var maxheight = (FramecontentLeft>FramecontentRight)?(FramecontentLeft):(FramecontentRight);
			maxheight = maxheight + 'px';
			leftmaxheight = (parseInt(maxheight)) + 'px';
			$('content_left').setStyle({'height' : maxheight});
			$('content_middle').setStyle({'height' : leftmaxheight});
		}
	}
});