function buildContentArea() {
	var maxHeight = 0;
	var divs = document.getElementsByTagName('div');
	var contentDivs = Array();
	for (var i = 0; i < divs.length; i++) {
		if (divs[i].className == 'contentarea') {
			div = divs[i];
			contentDivs[contentDivs.length] = div;
			var height = (div.offsetHeight) ? div.offsetHeight : div.style.pixelHeight;
			maxHeight = Math.max(maxHeight, height);
		}
	}
	
	for (var i = 0; i < contentDivs.length; i++) {
		contentDivs[i].style.height = maxHeight + 'px';
	}
}

window.onload = function() {
	if (document.getElementsByTagName) {
		buildContentArea();
	}
}