// written by The Shadowhand Company (www.shadowhand.hu), copyright 2007

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) {
		menu_op1_over = newImage("images/menu_op1_over.gif");
		menu_op2_over = newImage("images/menu_op2_over.gif");
		menu_op3_over = newImage("images/menu_op3_over.gif");
		menu_op4_over = newImage("images/menu_op4_over.gif");
		menu_op5_over = newImage("images/menu_op5_over.gif");
		menu_op6_over = newImage("images/menu_op6_over.gif");
		menu_op7_over = newImage("images/menu_op7_over.gif");
		menu_op8_over = newImage("images/menu_op8_over.gif");
		preloadFlag = true;
	}
}