jQuery.noConflict();

(function($){
	var name = "#sideblock";
	var container = "#mainBlock";
	var menuYloc = null;
	$(function(){
		menuYloc = parseInt($(name).css("top").substring(0,$(name).css("top").indexOf("px")));
		$(window).scroll(function () {

			if(menuYloc+$(document).scrollTop() + $(name).height() < $(container).height()) 
			{
				offset = menuYloc + $(document).scrollTop() + "px";
				$(name).animate({top:offset},{
					duration:500,
					queue:false
				});
			}
				
		});
	}); 
})(jQuery);