var IE = (navigator.appName == "Microsoft Internet Explorer") ? 1 : 0;
var NS = (navigator.appName == "Netscape") ? 1 : 0;
var hideMenu = null;

if(document.images){
  for (i=1; i<=3; i++) {
    eval("s"+i+" = new Image()");eval("s"+i+".src = 'images/nav/menu/m"+i+".gif'");
    eval("s"+i+"_roll = new Image()");eval("s"+i+"_roll.src = 'images/nav/menu/m"+i+"_roll.gif'");
  } 
  for (i=1; i<=2; i++) {
    eval("m1s"+i+" = new Image()");eval("m1s"+i+".src = 'images/nav/menu/m1s"+i+".gif'");
    //eval("m1s"+i+"_roll = new Image()");eval("m1s"+i+"_roll.src = 'images/nav/menu/m1s"+i+"_roll.gif'");
  } 
  for (i=1; i<=2; i++) {
    eval("m2s"+i+" = new Image()");eval("m2s"+i+".src = 'images/nav/menu/m2s"+i+".gif'");
    //eval("m2s"+i+"_roll = new Image()");eval("m2s"+i+"_roll.src = 'images/nav/menu/m2s"+i+"_roll.gif'");
  }
  for (i=1; i<=2; i++) {
    eval("m3s"+i+" = new Image()");eval("m3s"+i+".src = 'images/nav/menu/m3s"+i+".gif'");
    //eval("m3s"+i+"_roll = new Image()");eval("m3s"+i+"_roll.src = 'images/nav/menu/m3s"+i+"_roll.gif'");
  }
}

function Hide(div){
  if(IE) eval('document.all.'+div+'.style.visibility="hidden"');
  if(NS) eval('document.layers.'+div+'.visibility="hidden"');
}

function Show(div){
  if(IE) eval('document.all.'+div+'.style.visibility="visible"');
  if(NS) eval('document.layers.'+div+'.visibility="visible"');
}

function imgOn(Num) {
  hideAll();
  if (document.images) {
    document.images["s" +Num].src = eval("s" +Num+ "_roll.src");
  }
}

function imgOff(Num) {
  if (document.images) {
    document.images["s" +Num].src = eval("s" +Num+ ".src");
  }
}

//MenuMouseOver
function mImgOn(divNum,Num) {
  clearTimeout(hideMenu);
  //if (document.images) {
    //if(IE){
      //document.images["m" +divNum+ "s" +Num].src = eval("m" +divNum+ "s" +Num+ "_roll.src")
    //}
    //if(NS){
      //document.layers["m"+divNum].document.images["m" +divNum+ "s" +Num].src = eval("m" +divNum+ "s" +Num+ "_roll.src")
    //}
  //}
}

function mImgOff(divNum,Num) {
  //if (document.images) {
    //if(IE){
      //document.images["m" +divNum+ "s" +Num].src = eval("m" +divNum+ "s" +Num+ ".src")
    //}
    //if(NS){
      //document.layers["m"+divNum].document.images["m" +divNum+ "s" +Num].src = eval("m" +divNum+ "s" +Num+ ".src")
    //}
  //}
  hideMenu=setTimeout('hideAll()',500);
}

function hideAll(){
  Hide('m1');
  Hide('m2');
  Hide('m3');
}