// JavaScript Document
$(function(){  
var main_height=$('#main').height();
var sidebar_height=$('#sidebar').height();
//make main content & sidebar height equal
if((main_height < sidebar_height)==true)
	{
		$('#main').css("height",sidebar_height);
	}
else
	{
		$('#sidebar').css("height",main_height);
	}
//make sidebar div's height equal
var left_height=$('#left').height();
var right_height=$('#right').height();
//make main content & sidebar height equal
if((left_height < right_height)==true)
	{
		$('#left').css("height",right_height);
	}
else
	{
		$('#right').css("height",left_height);
	}

});