﻿// JScript File

// JScript File

// Global menu element handle:
///////////////////////////////////////
var LiveMenu = null;

// Global menu timeout handle:
///////////////////////////////////////
var Timeout_ID = null;

// Opens or keeps open a given menu
// and shuts any previous menu:
///////////////////////////////////////
function menuOver(MenuID){
	var tab = document.getElementById('tab_'+MenuID);
	if (tab !== null) {
		tab.className = 'hover';
	}
  // If DOM1 supported and element exists ...
  if((document.getElementById)&&(document.getElementById(MenuID)!=null)){
    // If this menu is already open ...
    if(LiveMenu==document.getElementById(MenuID)){
      // Do not close it
      clearTimeout(Timeout_ID);
    }
    // Another might still be open ...
    else{
      // If another menu is open ...
      if(LiveMenu!=null){
        // Do not wait, shut it now
        clearTimeout(Timeout_ID);
        hideNow();
      }
    }
    // This is the new 'live' menu, make it visible
    LiveMenu = document.getElementById(MenuID);
    // LiveMenu.style.visibility is
    // initially empty in IE5 until
    // it is assigned by these
    // functions, so must check that
    // it's not null before proceeding...
    if((LiveMenu.style)&&(LiveMenu.style.visibility!=null)){
      LiveMenu.style.visibility = 'visible';
    }
  }
}

// Stops menu links from opening menu
// onmouseover when shut to
// workaround mouse events which are
// not hidden by z-index in Opera 4!
///////////////////////////////////////
function stayOpen(MenuID){
  // If menuOver has not been called or the menu is hidden, do nothing
  if((LiveMenu==null)||((LiveMenu.style)&&(LiveMenu.style.visibility)&&(LiveMenu.style.visibility=='hidden')))return;
  else menuOver(MenuID);
}

// Shuts a given menu in 250
// milliseconds, unless timeout is
// cleared by menuOver()
///////////////////////////////////////
function menuOut(MenuID){
	
	
  // If DOM1 supported and a menu is open ...
  if((document.getElementById)&&(document.getElementById(MenuID)!=null)){
    // Get the current live menu
    LiveMenu = document.getElementById(MenuID);
    // Prepare to shut it in 250 milliseconds
    Timeout_ID = window.setTimeout('hideNow();',250);
  }
}

// Called by menu handlers to shut
// previous menu immediately
///////////////////////////////////////
function hideNow(){
  if((LiveMenu.style)&&(LiveMenu.style.visibility)){
    LiveMenu.style.visibility = 'hidden';
	var tab = document.getElementById('tab_'+LiveMenu.id);
	if (tab !== null) {
		tab.className = '';
	}
  }
}


///////////////////////////////////////
function changeImage(ImageID,ImageName,IsActive){
  var img = document.getElementById('img_'+ImageID);
	if (img !== null) {
	    if (IsActive == "1") {
		    img.src = '/SiteImages/active' + ImageName;
		    }
		 else{
		    if (img.className !== "active") {
		    img.src = '/SiteImages/' + ImageName;
		    }
		 }
	}
}
