function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		company_over = newImage("images/company-over.gif");
		info_over = newImage("images/info-over.gif");
		kitchen_over = newImage("images/kitchen-over.gif");
		function_over = newImage("images/function-over.gif");
		contacts_over = newImage("images/contacts-over.gif");
		timg1 = newImage("images/timg1.jpg");
		timg2 = newImage("images/timg2.jpg");
		timg3 = newImage("images/timg3.jpg");
		preloadFlag = true;
	}
}

function rpic(){
	var pic_url;
	pic_url = Math.round(Math.random()*(6))+1;
	document.write('<img src="images/content/'+pic_url+'.jpg">');
}