window.addEvent('load', function() {
                 var a = $$('div.column');
				 var maxH = 0;
				 var n = a.length;
				 var hWin = window.getHeight();
				 for(var i=0;i<n;i++){
			        h = parseInt($(a[i]).getStyle("height"));
			     	if(h>maxH){
			     		maxH = h;
			     	}
		         }
		         if(maxH<hWin){
		         	maxH = hWin;
		         }
		         if(screen.availWidth<1050){
		         	a = $$('body');
		            $(a[0]).addClass("narrow");
		         }
				//$('wrapper').setStyle('height',maxH));
				document.getElementById("wrapper").style.height = maxH+"px";
		});