var DHTML = document.getElementById || document.all || document.layers;

function preload()
{
  if (document.images)
   {
     meniu = new Image(400,80); meniu.src="../images_900/menu.png";
	 logo = new Image(280,180); logo.src = "../images_900/evolia_logo.png";

	 image0 = new Image(); image0.src = "../photos/image0.jpg";
	 image1 = new Image(); image1.src = "../photos/image1.jpg";
	 image2 = new Image(); image2.src = "../photos/image2.jpg";
	 image3 = new Image(); image3.src = "../photos/image3.jpg";
	 image4 = new Image(); image4.src = "../photos/image4.jpg";
   }
}

function buy()
{
	nr = b%2
	document.getElementById('buy').src = "images_900/buy_link"+nr+".png";
	b=b+1
	t=setTimeout("buy()",2000)
}