$(function(){
	positionFooter(); 
	function positionFooter(){
	
		//alert($("#mainContent").height());
		//alert($("#header").height());
		//alert($(window).height());
		
		
	var contentHeight = $("#mainContent").height()+$("#header").height()+$("#footer").height();
	var windowHeight = $(window).height();
	var headerHeight = $("#header").height();
	
	if (contentHeight < windowHeight) {
		$("#footer").css({position: "absolute",top:($(window).scrollTop()+$(window).height()-$("#footer").height())+"px"})	
	}else {
		$("#footer").css({position: "absolute",top:($("#mainContent").height()+$("#header").height()+19)+"px"})	
	}
	
 	}
 	
	$(window)
		.scroll(positionFooter)
		.resize(positionFooter)
});