function setColumns() {
	buffer = 60;
	newheight = 1000;
	
	contentcol = document.getElementById('contentcolumn');
	leftcol = document.getElementById('leftcolumn');
	rightcol = document.getElementById('rightcolumn');
	
	y_content = contentcol.clientHeight;
	y_left = leftcol.clientHeight;
	y_right = rightcol.clientHeight;
		
	if(y_content > y_left && y_content > y_right) {
		newheight = y_content;
	} else {
		newheight = Math.max(y_left, y_right);
	}
	
	leftcol.style.height = (newheight + buffer) + 'px';
	rightcol.style.height = (newheight + buffer) + 'px';
}