userAgent = window.navigator.userAgent;
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        function findElement(n,ly) {
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        			else {
        				img = document.images[changeImages.arguments[i]];
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        			if (img) {
        				img.src = changeImages.arguments[i+1];
        			}
        		}
        	}
        }
        
        var preloadFlag = false;
        function preloadImages() {
        	if (document.images) {
        		quote_h_david_over = newImage("graphics/quote-h_david_over.gif");
        		quote_h_lindsay_over = newImage("graphics/quote-h_lindsay_over.gif");
        		quote_h_vera_over = newImage("graphics/quote-h_vera_over.gif");
        		quote_h_jordan_over = newImage("graphics/quote-h_jordan_over.gif");
        		quote_h_doreen_over = newImage("graphics/quote-h_doreen_over.gif");
        		h_doreen_h_jordan_over = newImage("graphics/h_doreen-h_jordan_over.gif");
        		h_doreen_over = newImage("graphics/h_doreen-over.gif");
        		h_jordan_h_vera_over = newImage("graphics/h_jordan-h_vera_over.gif");
        		h_jordan_over = newImage("graphics/h_jordan-over.gif");
        		h_jordan_h_doreen_over = newImage("graphics/h_jordan-h_doreen_over.gif");
        		h_vera_h_lindsay_over = newImage("graphics/h_vera-h_lindsay_over.gif");
        		h_vera_over = newImage("graphics/h_vera-over.gif");
        		h_lindsay_h_david_over = newImage("graphics/h_lindsay-h_david_over.gif");
        		h_lindsay_over = newImage("graphics/h_lindsay-over.gif");
        		h_lindsay_h_vera_over = newImage("graphics/h_lindsay-h_vera_over.gif");
        		h_david_over = newImage("graphics/h_david-over.gif");
        		h_david_h_lindsay_over = newImage("graphics/h_david-h_lindsay_over.gif");
        		what_h_david_over = newImage("graphics/what-h_david_over.gif");
        		what_h_lindsay_over = newImage("graphics/what-h_lindsay_over.gif");
        		what_h_vera_over = newImage("graphics/what-h_vera_over.gif");
        		what_h_jordan_over = newImage("graphics/what-h_jordan_over.gif");
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        } 
        
        function jbwindow()
        {
        window.open('jukebox/jukebox.html','jukebox','width=360,height=315,scrollbars=no,resizable=no');
        } 
        
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        	}
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        	document.all[lyr].style.height='18em';
        	culture.src='img/b_cultureOver.gif';
        	}
        	
        else if(lyr=="navPlaces"){
        	document.all[lyr].style.height='14em';
        	places.src='img/b_placesOver.gif';
        	}
        else if(lyr=="navPolitics"){
        	document.all[lyr].style.height='13em';
        	politics.src='img/b_politicsOver.gif';
        	}
        else if(lyr=="navSciences"){
        	document.all[lyr].style.height='14em';
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            else
                life.src='img/b_life.gif';
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        else if (lyr=="navCulture"){
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        	  if (document.URL == "http://angelingo.usc.edu/issue03/culture/index.php")
                culture.src='img/b_cultureOver.gif';
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                culture.src='img/b_culture.gif';
                
        	}
        	
        else if(lyr=="navPlaces"){
        	document.all[lyr].style.height='38px';
        	  if (document.URL == "http://angelingo.usc.edu/issue03/places/index.php")
                places.src='img/b_placesOver.gif';
            else
                places.src='img/b_places.gif';
        	}
        else if(lyr=="navPolitics"){
        	document.all[lyr].style.height='38px';
        	  if (document.URL == "http://angelingo.usc.edu/issue03/politics/index.php")
                politics.src='img/b_politicsOver.gif';
            else
                politics.src='img/b_politics.gif';
        	}
        else if(lyr=="navSciences"){
        	document.all[lyr].style.height='38px';
        	  if (document.URL == "http://angelingo.usc.edu/issue03/sciences/index.php")
                sciences.src='img/b_sciencesOver.gif';
            else
                sciences.src='img/b_sciences.gif';
        	}
        }
        /* start() makes all layers short to start with (height property)*/
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        document.all.navLife.style.height='38px';
        document.all.navCulture.style.height='38px';
        document.all.navPlaces.style.height='38px'; 
        document.all.navPolitics.style.height='38px';
        document.all.navSciences.style.height='38px'; 
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        -->