pics = new Array();
var objCount = 0;

function preload(name, first, second) {

    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){

     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(){

     for (i = 0; i < objCount; i++) {

      if (document.images[pics[i][2]] != null)
        document.images[pics[i][2]].src = pics[i][0].src;
  }
}

function preloadimages(rooturl) {
    preload("menu1", rooturl + "/images/menu_a.gif", rooturl + "/images/menu_b.gif");
    preload("menu2", rooturl + "/images/menu_a.gif", rooturl + "/images/menu_b.gif");
    preload("menu3", rooturl + "/images/menu_a.gif", rooturl + "/images/menu_b.gif");
    preload("menu4", rooturl + "/images/menu_a.gif", rooturl + "/images/menu_b.gif");
    preload("menu5", rooturl + "/images/menu_a.gif", rooturl + "/images/menu_b.gif");
    preload("menu6", rooturl + "/images/menu_a.gif", rooturl + "/images/menu_b.gif");
    preload("menu7", rooturl + "/images/menu_a.gif", rooturl + "/images/menu_b.gif");
    preload("menu8", rooturl + "/images/menu_a.gif", rooturl + "/images/menu_b.gif");
    preload("menu9", rooturl + "/images/menu_a.gif", rooturl + "/images/menu_b.gif");
    preload("menu10", rooturl + "/images/menu_a.gif", rooturl + "/images/menu_b.gif");
    preload("menu11", rooturl + "/images/menu_a.gif", rooturl + "/images/menu_b.gif");
    preload("menu12", rooturl + "/images/menu_a.gif", rooturl + "/images/menu_b.gif");
    preload("menu13", rooturl + "/images/menu_a.gif", rooturl + "/images/menu_b.gif");
}


function OpenPhoto(Width,Height) {
  myWin= open("img.html", "displayWindow", "width="+Width+",height="+Height+",status=no,toolbar=no,menubar=no");
}