if (document.images) 
{
 // Active Images  
 	var navImgArr = new Array();
 	var tmpImgOn = null;
 	var tmpImgOff = null;
 	var tmpImgOvr = null;
 	                                    
	tmpImgOvr = new Image();
	tmpImgOvr.src = imgBaseRef + "nav_homeOvr.gif";
	tmpImgOff = new Image();
	tmpImgOff.src = imgBaseRef +"nav_home.gif";
	tmpImgOn = new Image();
	tmpImgOn.src = imgBaseRef +"nav_homeOn.gif";
	navImgArr[0] = new navImg(tmpImgOvr,tmpImgOff,tmpImgOn);
	
	tmpImgOvr = new Image();
	tmpImgOvr.src = imgBaseRef + "nav_projectsOvr.gif";
	tmpImgOff = new Image();
	tmpImgOff.src = imgBaseRef +"nav_projects.gif";
	tmpImgOn = new Image();
	tmpImgOn.src = imgBaseRef +"nav_projectsOn.gif";
	navImgArr[1] = new navImg(tmpImgOvr,tmpImgOff,tmpImgOn);
	
	tmpImgOvr = new Image();
	tmpImgOvr.src = imgBaseRef +"nav_whoweareOvr.gif";
	tmpImgOff = new Image();                    
	tmpImgOff.src = imgBaseRef +"nav_whoweare.gif";
	tmpImgOn = new Image();                    
	tmpImgOn.src = imgBaseRef +"nav_whoweareOn.gif";
	navImgArr[2] = new navImg(tmpImgOvr,tmpImgOff,tmpImgOn);
	
	tmpImgOvr = new Image();
	tmpImgOvr.src = imgBaseRef +"nav_resourcesOvr.gif";
	tmpImgOff = new Image();
	tmpImgOff.src = imgBaseRef +"nav_resources.gif";
	tmpImgOn = new Image();
	tmpImgOn.src = imgBaseRef +"nav_resourcesOn.gif";
	navImgArr[3] = new navImg(tmpImgOvr,tmpImgOff,tmpImgOn);
	
	tmpImgOvr = new Image();
	tmpImgOvr.src = imgBaseRef +"nav_forumOvr.gif";
	tmpImgOff = new Image();
	tmpImgOff.src = imgBaseRef +"nav_forum.gif";
	tmpImgOn = new Image();
	tmpImgOn.src = imgBaseRef +"nav_forumOn.gif";
	navImgArr[4] = new navImg(tmpImgOvr,tmpImgOff,tmpImgOn);
	
	tmpImgOvr = new Image();
	tmpImgOvr.src = imgBaseRef +"nav_contactOvr.gif";
	tmpImgOff = new Image();
	tmpImgOff.src = imgBaseRef +"nav_contact.gif";
	tmpImgOn = new Image();
	tmpImgOn.src = imgBaseRef +"nav_contactOn.gif";
	navImgArr[5] = new navImg(tmpImgOvr,tmpImgOff,tmpImgOn);
}

function navImg(iovr,ioff,ion)
{
	this.iovr = iovr;
	this.ioff = ioff;
	this.ion = ion;
}
 
 // Function to 'activate' images.
function imgOn(w,e) 
{
	var nmStr = "img" + w;
	isOverBtn = true;
	window.clearTimeout(gMenuTimeout);
	if(gImgName != "")
	{
		document[gImgName].src = navImgArr[gImgNum].ioff.src;
		gImgName = "";
		gImgNum = -1;
	}
	if(menuArr[w].length > 1 && nmStr != gImgName) 
	{
		showMenu(w,e);
	}
	else
	{
		if(gMC.style.visibility == "visible" && nmStr != gImgName)
		{
			gMC.style.visibility = "hidden";
		}
	}
 	gImgName = nmStr;
 	gImgNum = w;
	if (document.images) 
	{
		document[nmStr].src = navImgArr[w].iovr.src;
	}
	
}
 
 // Function to 'deactivate' images.
 function imgOff(w,e) 
{
	if(menuArr[w].length == 1) 
	{
		if (document.images)
		{
			var nmStr = "img" + w
			document[nmStr].src = navImgArr[w].ioff.src;
			gImgName = "";
			gImgNum = -1;
		}
	}
	else
	{
		gMenuTimeout = window.setTimeout("hideMenu()","50");
	}
	isOverBtn = false;
}