var expanded = false;
function navShift() {
	if (expanded == false) {
		$('#dropdown').show();
		$(".nav-shift").css({top: "76px"});
		$("#wrapper").css({height: $("#wrapper").height() + 76 + "px"});
		$("#texture-overlay").css({height: $("#texture-overlay").height() + 76 + "px"});
		$("#background").css({height: $("#background").height() + 76 + "px"});
		if($(window).height()<1345){
			$("#bottom").css({height: $("#bottom").height() + 76 + "px"});
		}
		expanded = true;
	} else {
		$('#dropdown').hide();
		$(".nav-shift").css({top: "0px"});
		$("#wrapper").css({height: $("#wrapper").height() - 76 + "px"});
		$("#texture-overlay").css({height: $("#texture-overlay").height() - 76 + "px"});
		$("#background").css({height: $("#background").height() - 76 + "px"});
		if($(window).height()<1345){
			$("#bottom").css({height: $("#bottom").height() - 76 + "px"});
		}
		expanded = false;
	}
}