function randomimage() {
	var totalNum = 9;
	var rndNum = Math.floor(Math.random() * totalNum) +1;
	$("#main-img").css("background-image","url(/images/main/main" + rndNum  + ".png)");
}

function reset(){
	$("#main-img").css("background-image","");
	$("#main-img").css("background","none");
	$("#about").css("visibility", "hidden");
	$("#close").css("visibility", "hidden");
}

function aboutlink(){
	reset();
	$("#main-img").css("background","#e8c689");
	$("#about").css("visibility", "visible");
	$("#close").css("visibility", "visible");
}

function contactlink(){
	reset();
	$("#close").css("visibility", "visible");
}

function closelink(){
	$("#about").css("visibility", "hidden");
	$("#close").css("visibility", "hidden");
	randomimage();
}

$(document).ready(function(){
	randomimage(); 
})