/*** preload nav ***/
var myimages=new Array();
function preloadimages() {
for (i=0;i<bilderliste.length;i++)
  {
	myimages[i]=new Image()
	myimages[i].src=bilderliste[i]
  }
}
bilderliste = new Array(
	"../_img/nav1-hover.png",
	"../_img/nav2-hover.png",
	"../_img/nav3-hover.png",
	"../_img/nav4-hover.png",
	"../_img/nav5-hover.png",
	"../_img/nav6-hover.png",
	"../_img/en_nav1-hover.png",
	"../_img/en_nav2-hover.png",
	"../_img/en_nav3-hover.png",
	"../_img/en_nav4-hover.png",
	"../_img/en_nav5-hover.png",
	"../_img/en_nav6-hover.png",	
	"../_img/english-hover.png",
	"../_img/deutsch-hover.png"
);

window.onload=preloadimages;

function show(elementname,show) {
	target = document.getElementById(elementname);
	if (show == 1) target.style.display = "block";
	else target.style.display = "none";
}

function hide(elementname) {
	target = document.getElementById(elementname);
	target.style.display = (target.style.display == "none") ? "block" : "none";
}

function switchItem(item1,item2) {
	current = document.getElementById(item1);
	target = document.getElementById(item2);
	current.style.display = "none";
	target.style.display = "block";
}

function contact(alias,domain) {
	window.location = "mailto:" + alias + "@" + domain;
}