$(document).ready(function() {
	columns_equalise();
});
function columns_equalise() {
	var mainSidebar_height=$('#content').height()-($('#mainSidebar').height()-$('#mainSidebar div.middle').height());
	var suppSidebar_height=$('#content').height()-($('#suppSidebar').height()-$('#suppColumnThird').height()-1);
	$('#mainSidebar div.middle').height(mainSidebar_height);
	$('#suppColumnThird').height(suppSidebar_height);
}