function preload()
	{
		var images = new Array("company.gif","company_over.gif",
						   "products.gif","products_over.gif",
				 	       "sitemap.gif","sitemap_over.gif",
						   "contact.gif", "contact_over.gif",
						   "innovatons.gif", "innovations_over.gif",
						   "pos_club.gif", "pos_club_over.gif",
						   "questions.gif", "questions_over.gif",
						   "feedback.gif", "feedback_over.gif");
	
		var loaded_images = new Array(images.length);
		for(var i=0; i < images.length; i++)
		{
			loaded_images[i] = new Image();
			loaded_images[i].src = "images/rollover/" + images[i];
		}
	}

	function over(obj) {
		obj.src = "images/rollover/" + obj.id + "_over.gif";
	}
	
	function normal(obj) {
		obj.src = "images/rollover/" + obj.id + ".gif";
	}
	
	function random_image()
	{
		var images = new Array("images/ursa_eye_green.jpg", "images/ursa_eye_rose.jpg","images/ursa_eye_blue.jpg");
		var index = Math.floor(Math.random() * images.length);
		document.document.getElementById('random_image').src = images[index];
	}
	
	function productRedirect(obj) {
		if(obj.selectedIndex != 0) {
			document.location.href = obj.options[obj.selectedIndex].value;
		}
	}