if (document.images) {

	aboutus = new Image();
	currentfamilies = new Image();
	staff = new Image();
	alumni = new Image();
	activities = new Image();
	bulletinboard = new Image();
	news = new Image();
	contactus = new Image();
	store = new Image();
	
	aboutuson = new Image();
	currentfamilieson = new Image();
	staffon = new Image();
	alumnion = new Image();
	activitieson = new Image();
	bulletinboardon = new Image();
	newson = new Image();
	contactuson = new Image(); 
	storeon = new Image(); 
	
	aboutus.src = "/header_images/aboutus.gif";
	aboutuson.src = "/header_images/aboutus_on.gif";
	
	currentfamilies.src = "/header_images/currentfamilies.gif";
	currentfamilieson.src = "/header_images/currentfamilies_on.gif";
	
	staff.src = "/header_images/staff.gif";
	staffon.src = "/header_images/staff_on.gif";
	
	alumni.src = "/header_images/alumni.gif";
	alumnion.src = "/header_images/alumni_on.gif";
	
	activities.src = "/header_images/activities.gif";
	activitieson.src = "/header_images/activities_on.gif"

	bulletinboard.src = "/header_images/bulletinboard.gif";
	bulletinboardon.src = "/header_images/bulletinboard_on.gif"
	
	news.src = "/header_images/news.gif";
	newson.src = "/header_images/news_on.gif"
	
	contactus.src = "/header_images/contactus.gif";
	contactuson.src = "/header_images/contactus_on.gif"
	
	store.src = "/header_images/store.gif";
	storeon.src = "/header_images/store_on.gif"
}

	function changeImages(imgName, variableName) {
			//alert('imgName is ' + imgName);
       	 if (document.images) {

                	if (document.all) {
                      	  document[imgName].src = eval(variableName + ".src");
              	    }
                
               	    else {
                    	    document[imgName].src = eval(variableName + ".src");
               	    }
         }
}