window.onload = function(){
	adjust_height();
};

function adjust_height(){
	var _left = document.getElementById("layout_class");
	var _middle = document.getElementById("layout_questionlist");
	var _right = document.getElementById("layout_otherlist");
	var height = get_max(_left.offsetHeight,_middle.offsetHeight,_right.offsetHeight);
	_left.style.height = height + "px";
	_right.style.height = height + "px";
	_middle.style.height = height + "px";
}

function get_max(h1,h2,h3){
	if(h1 > h2){
		if(h1 > h3)
			return h1;
		else
			return h3;
	}
	else{
		if(h2 >h3)
			return h2;
		else
			return h3;
	}
}