$(document).ready(function(){
	$left = $('.left-block').height();
	$right =  $('.right-block').height();//$('.main-block').height() + $('.call-us').height() + 319 + $('.footer').height();
	if ($right<$left){
		//alert ($right-$left);
		$h = $left - $('.call-us').height() - 319 - $('.footer').height();
		$('.main-block').height($h+57);

	}
});