// JavaScript Document
<!--
var urlPath = "/";

var nav_tab1 = new Image();
nav_tab1 = urlPath+"images/nav/nav_tab1.jpg";
var nav_tab1_x = new Image();
nav_tab1_x = urlPath+"images/nav/nav_tab1_x.jpg";
var nav_tab2 = new Image();
nav_tab2 = urlPath+"images/nav/nav_tab2.jpg";
var nav_tab2_x = new Image();
nav_tab2_x = urlPath+"images/nav/nav_tab2_x.jpg";
var nav_tab3 = new Image();
nav_tab3 = urlPath+"images/nav/nav_tab3.jpg";
var nav_tab3_x = new Image();
nav_tab3_x = urlPath+"images/nav/nav_tab3_x.jpg";
var nav_tab4 = new Image();
nav_tab4 = urlPath+"images/nav/nav_tab4.jpg";
var nav_tab4_x = new Image();
nav_tab4_x = urlPath+"images/nav/nav_tab4_x.jpg";

var menuActive = 0;
var timeOn = null

function showMenu(imageIn, imageSrc, lyrID){ 
   hideAllLyr();
   
   var currImage = eval("document." + imageIn); //current image
   var newImage = eval("nav_" + imageSrc); //new image
   currImage.src = newImage;  //image swap
   
   if(lyrID != "tab4"){
     showSelLyr(lyrID); 
	 menuActive = 1;
   }
   
} //end showMenu function

function transitionMenu(imageIn, imageSrc, lyrID){ 
   menuActive = 0 
   timeOn = setTimeout("restoreMenu()", 200)
   var currImage = eval("document." + imageIn); //current image
   var newImage = eval("nav_" + imageSrc); //new image
   currImage.src = newImage;  //image swap   
}

function restoreMenu(){
  if(menuActive == 0){
    hideAllLyr();
  }
}

function hideAllImages(){
   for(var i=1; i<=4; i++){ //4 indicates the number of tabs
       var currImage = eval("document.tab" + i);
       currImage.src = OrigImg[i-1];
   }// end for loop
}	

function getLyrObj(elID){
	if (is_ie){
      	return	document.all[elID];
	} else if ( is_nav5up ) {
		return document.getElementById(elID)
	} else {
        return document.layers[elID];
    }
}

function hideAllLyr(){
    for(var i=1; i<=3; i++){ //3 indicates the number of tabs that have a sub-menu - "Home" does not.
	    var lyrID = "tab" + i +"Lyr";
	    var lyrObj = getLyrObj(lyrID);
	        if ( is_ie || is_nav5up ){
		        lyrObj.style.visibility = "hidden";
            } else {
		        lyrObj.visibility = "hidden";
            }	
     }
}

function showSelLyr(showObj){  
   var lyrID = showObj + "Lyr";
   var lyrObj = getLyrObj(lyrID);
   if ( is_ie || is_nav5up ){
	  lyrObj.style.visibility = "visible";
   }else{
	  lyrObj.visibility = "show";
   }	
}

//-->