$(document).ready(function(){
	$(window).resize(function() {
		correctPosition();
	});
	correctPosition();
});
function correctPosition(){
	if ($(window).height() - 900 < 0) {
		//Move everything up to the upper border
		var offset = parseInt($("#logo").css("top"));
		$("#logo").css("top", (parseInt($("#logo").css("top")) - offset));
		$("#top_menu").css("top", (parseInt($("#top_menu").css("top")) - offset));
		$("#content_window_extender").css("top", (parseInt($("#content_window_extender").css("top")) - offset));
		$("#bottom_menu_unterseite").css("top", (parseInt($("#bottom_menu_unterseite").css("top")) - offset));
	}
	else if (parseInt($("#logo").css("top")) == 0) {
		var offset = parseInt($("#logo").css("top"))+138;
		$("#logo").css("top", (parseInt($("#logo").css("top")) + offset));
		$("#top_menu").css("top", (parseInt($("#top_menu").css("top")) + offset));
		$("#content_window_extender").css("top", (parseInt($("#content_window_extender").css("top")) + offset));
		$("#bottom_menu_unterseite").css("top", (parseInt($("#bottom_menu_unterseite").css("top")) + offset));			
	}
}