function swa(name,link) {
	var n=navigator.appName;
	var v=parseInt(navigator.appVersion);
	var browsok=((n=="Netscape")&&(v>=3));
	var browsok2=((n=="Microsoft Internet Explorer")&&(v>=4));
	var browsok3=((n=="Opera"));
	if ((browsok)||(browsok2)||(browsok3)) {
		if(document.images) {
			document.images[name].src=link;
		}
	}
}
function showProd(id){
	if(document.getElementById){
		document.getElementById("info"+id).style.visibility = "visible";
	}else{
		if (ns4) document.layers["info"+id].visibility = "show"
		else document.all["info"+id].style.visibility = "visible"
	}
}
function hideProd(id){
	if(document.getElementById){
		document.getElementById("info"+id).style.visibility = "hidden";
	}else{
		if (ns4) document.layers["info"+id].visibility = "hide"
		else document.all["info"+i].style.visibility = "hidden"
	}
}

function renderFrontpageImg() {
	renderRandomImg('front_1.jpg', 'front_2.jpg', 'front_3.jpg', 'front_4.jpg');
}
function renderRandomImg() {
	img = arguments[Math.floor(Math.random()*arguments.length)];
	document.write('<img src="/images/' + img + '" />')
}