$(function(){
	var windowHeight = $(window).height();
	var wrapHeight = $('div#wrap').height();
	if(windowHeight > wrapHeight ){
		var newHeight = windowHeight - wrapHeight;
		$('div#wrap').css('top',newHeight);
	}
	$(window).resize(function(){
		var windowHeight = $(window).height();
		var wrapHeight = $('div#wrap').height();
		
		if(windowHeight > wrapHeight ){
			var newHeight = windowHeight - wrapHeight;
			$('div#wrap').css('top',newHeight);
		}
		else {
			var newHeight = wrapHeight - windowHeight;
			var findTop = $('div#wrap').css('top');
			parseTop = findTop.indexOf('px');
			cutUp = findTop.substring(0,parseTop);
			if(cutUp < 0){
				$('div#wrap').css('top',-newHeight);
			}
			else{
				$('div#wrap').css('top', 0);
			}
		}
	});
});