function menuPrepare() {
	if (!document.getElementById("mainmenu")) return false;
	var page = window.location.pathname;
	if (page == "/") return false;
	var strip = page.split("/");
	var name = strip[1].split(".");
	var pagename = name[0];
	var menu = document.getElementById("mainmenu");
	var menulinks = menu.getElementsByTagName("a");
	for (var i=0; i<menulinks.length; i++){
		var linkname = menulinks[i].getAttribute("title");
		if(pagename==linkname){
			menulinks[i].style.backgroundPosition="top left";
		}
	}
	for (var i=0; i<menulinks.length; i++){
		var linkname = menulinks[i].getAttribute("title");
		if(pagename=="personal" && linkname=="illustration"){
			menulinks[i].style.backgroundPosition="top left";
		}
	}
}
addLoadEvent(menuPrepare);