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 nSlide = parseInt (document.location.search.substring (1));
	if (isNaN (nSlide)) nSlide = 1;
	
	var preloadFlag = false;
	function preloadImages() {
		if (document.images) {
			menueng01a = newImage("/img/menu-eng-01a.gif");
			menueng02a = newImage("/img/menu-eng-02a.gif");
			menueng03a = newImage("/img/menu-eng-03a.gif");
			menueng04a = newImage("/img/menu-eng-04a.gif");
			menueng05a = newImage("/img/menu-eng-05a.gif");
			menueng06a = newImage("/img/menu-eng-06a.gif");
			menueng07a = newImage("/img/menu-eng-07a.gif");
			menurusl01a = newImage("/img/menu-rus-l-01a.gif");
			menurusl02a = newImage("/img/menu-rus-l-02a.gif");
			menurusl03a = newImage("/img/menu-rus-l-03a.gif");
			menurusl04a = newImage("/img/menu-rus-l-04a.gif");
			menurusl05a = newImage("/img/menu-rus-l-05a.gif");
			menurusl06a = newImage("/img/menu-rus-l-06a.gif");
			menurusl07a = newImage("/img/menu-rus-l-07a.gif");
			preloadFlag = true;
		}
	}