Ext.onReady(function() {
	equalBoxSizes();
});


function equalBoxSizes(){
	var box=[];
	var boxHeight=[];
	var minHeight=100;
	
	for (var n=0;n<4;n++){
		boxid="box"+n;
		box[n]=document.getElementById(boxid);
		if(box[n]!=null){	//if theres actually a box left
			if(box[n].offsetHeight){
				boxHeight[n]=box[n].offsetHeight;
			}
			else if(box[n].style.pixelHeight){
				boxHeight[n]=box[n].style.pixelHeight;
			};
			
			if (boxHeight[n]>minHeight){
				minHeight=boxHeight[n];
			};
		}
	};
	
	for (n=0;n<4;n++){
		if(box[n]!=null){
			boxHeight[n]=minHeight-20;
			box[n].style.height=boxHeight[n]+'px';
		}
	}

}