function thumb(imgname,imgfile){
		imgname = eval (imgname);

		if (imgname.width == 50) {
			path = 'files/products/'+imgfile+'.jpg';
			imgname.width = 200;
			imgname.height = 200;
			}
		else if (imgname.width == 200) {
			path = 'files/thumbs/'+imgfile+'.gif';
			imgname.width = 50;
			imgname.height = 50;	
			}
		imgname.src = path;
	}

            var browserOK = true;
            var pics = new Array();
            var objCount = 0;
            function preload(name, first, second) { 
                 if (browserOK) { 
                    pics[objCount] = new Array(3);
                    pics[objCount][0] = new Image();
                    pics[objCount][0].src = first;
                    pics[objCount][1] = new Image();
                    pics[objCount][1].src = second;
                    pics[objCount][2] = name;
                    objCount++;
                }     
            }
            function on(name){
                if (browserOK) {
                    for (i = 0; i < objCount; i++) {
                        if (document.images[pics[i][2]] != null)
                            if (name != pics[i][2]) { 
                                 document.images[pics[i][2]].src = pics[i][0].src;
                            } else {
                                 document.images[pics[i][2]].src = pics[i][1].src;
                            }
                    }
                }
            }
            function off(){
                if (browserOK) {
                    for (i = 0; i < objCount; i++) {
                            if (document.images[pics[i][2]] != null) 
                                document.images[pics[i][2]].src = pics[i][0].src;
                    }
                }
            }


preload("about", "files/menu1_nsel.gif", "files/menu1_sel.gif");
preload("products", "files/menu2_nsel.gif", "files/menu2_sel.gif");
preload("price-list", "files/menu3_nsel.gif", "files/menu3_sel.gif");
preload("order", "files/menu4_nsel.gif", "files/menu4_sel.gif");
preload("backlink", "files/menu5_nsel.gif", "files/menu5_sel.gif");
preload("coordinates", "files/menu6_nsel.gif", "files/menu6_sel.gif");
preload("agency", "files/menu7_nsel.gif", "files/menu7_sel.gif");