$(document).ready(function(){
 	jQuery.preloadImages = function(){
  		for(var i = 0; i<arguments.length; i++){
    		jQuery("<img>").attr("src", arguments[i]);
  		}
	}
	$.preloadImages("img/menu/gallery/projecten.gif", "img/menu/gallery/links.gif","img/menu/gallery/muziek.gif","img/menu/gallery/agenda.gif","img/menu/gallery/active/gallery.gif");
	$.preloadImages("img/menu/muziek/projecten.gif", "img/menu/muziek/links.gif","img/menu/muziek/active/muziek.gif","img/menu/muziek/agenda.gif","img/menu/muziek/gallery.gif");
	$.preloadImages("img/menu/projecten/muziek.gif", "img/menu/projecten/links.gif","img/menu/projecten/active/projecten.gif","img/menu/projecten/agenda.gif","img/menu/projecten/gallery.gif");
	$.preloadImages("img/menu/agenda/projecten.gif", "img/menu/agenda/links.gif","img/menu/agenda/active/agenda.gif","img/menu/agenda/muziek.gif","img/menu/agenda/gallery.gif");
	$.preloadImages("img/menu/links/projecten.gif", "img/menu/links/muziek.gif","img/menu/links/active/links.gif","img/menu/links/agenda.gif","img/menu/links/gallery.gif");
	$('div#body', top.document).hide();
  	$.ajax({
  		url: "head.html",
  		cache: true,
  		success: function(html){
  			$("div#main").before(html);
  		}
	});
});	

function showMenu(){ 
 	//li with fade class
 	$("img.nav").hover(function(){$(this).fadeOut(100);$(this).fadeIn(500);});
 	//set menu bkg color;
   	var loc = top.document.location.toString().split('/');
	loc = loc[loc.length-1].replace(/\.html.*/,'');
 	if (loc == 'projecten') {
		$('ul').css({'background-color': '#C84807'});
	} else if (loc == 'muziek'){
		$('ul').css({'background-color': '#666633'});
		$('#header',top.document).css({'background-color': '#99A22D'});
	} else if (loc == 'gallery'){
		$('ul').css({'background-color': '#D9B81F'});
		$('#header',top.document).css({'background-color': '#D3A21E'});
	} else if (loc == 'agenda'){
		$('ul').css({'background-color': '#3C779A'});
		$('#header',top.document).css({'background-color': '#60849A'});
	} else if (loc == 'links'){
		$('ul').css({'background-color': '#49271B'});
		$('#header',top.document).css({'background-color': '#B1501D'});
	}
	
   	
   	//show active menu
	elmId = "#"+loc;
	$(elmId).attr("src", "img/menu/"+loc+"/active/"+loc+".gif");	
	var lastImg;
	jQuery.each($("img.nav"), function(i, imgObj){
		if (imgObj.id == loc){
			//alert("active: "+loc);
			imgObj.src= "img/menu/"+loc+"/active/"+loc+".gif";
		} else {
			if (loc == 'ontwerpC-1' || loc == 'index') {loc = ''};
			//alert("inactive: "+"img/menu/"+loc+"/"+imgObj.id+".gif");	
			imgObj.src= "img/menu/"+loc+"/"+imgObj.id+".gif";
		}
	});
	$('div#body', top.document).show();
}

function noCacheUrl(url){
	var dt = new Date();
	if (url.indexOf("?")>=0){
		url = url +"&"+ dt.getTime();
	} else {
		url = url +"?"+ dt.getTime();
	}
	return url;
}