userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		var img;
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			img = null;
			if (document.layers) {
				img = findElement(changeImages.arguments[i],0);
			}
			else {
				img = document.images[changeImages.arguments[i]];
			}
			if (img) {
				img.src = changeImages.arguments[i+1];
			}
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		top_garenBefore_over = newImage("images/top-garenBefore_over.gif");
		top_laurenBefore_over = newImage("images/top-laurenBefore_over.gif");
		top_mindyBefore_over = newImage("images/top-mindyBefore_over.gif");
		top_allieBefore_over = newImage("images/top-allieBefore_over.gif");
		top_lindsayBefore_over = newImage("images/top-lindsayBefore_over.gif");
		laurenBefore_over = newImage("images/laurenBefore-over.gif");
		mindyBefore_over = newImage("images/mindyBefore-over.gif");
		allieBefore_over = newImage("images/allieBefore-over.gif");
		lindsayBefore_over = newImage("images/lindsayBefore-over.gif");
		garenBefore_over = newImage("images/garenBefore-over.gif");
		preloadFlag = true;
	}
}

        
        function newwindow()
        {
        window.open('http://imagine-it.org/done/add.htm','mosaic maker','width=575,height=520,scrollbars=yes,resizable=no');
        } 
        function printwindow(section, article)
        {        window.open('printarticles.php?section='+section+'&article='+article,'printwindow','width=740,height=600,scrollbars=yes,resizable=no');
        } 
        
        function jbwindow()
        {
        window.open('jukebox/jukebox.html','jukebox','width=360,height=315,scrollbars=no,resizable=no');
        } 

// ********************************************
// FUNCTION: printArticle()
// This function prints an article
function printArticle() {
	var agent=navigator.userAgent.toLowerCase();
	
	if (window.print) {
		setTimeout('window.print();',200);
	}
	else if (agent.indexOf("mac") != -1) {
		alert("Press 'Cmd+p' on your keyboard to this print article.");
	}
	else {
		alert("Press 'Ctrl+p' on your keyboard to this print article.")
	}
}

        
// big() makes selected layer longer (height property)
        function big(lyr) {
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        	document.all[lyr].style.height='17em';
        	life.src='img/b_lifeOver.gif';
        	}
        else if (lyr=="navCulture"){
        	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';
        	sciences.src='img/b_sciencesOver.gif';
        	}
        }
        /* small() makes selected layer shorter (height property)*/
        function small(lyr) {
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        	document.all[lyr].style.height='38px';
            if (document.URL == "http://angelingo.usc.edu/issue03/life/index.php")
                life.src='img/b_lifeOver.gif';
            else
                life.src='img/b_life.gif';
        	}
        else if (lyr=="navCulture"){
        	document.all[lyr].style.height='38px';
        	  if (document.URL == "http://angelingo.usc.edu/issue03/culture/index.php")
                culture.src='img/b_cultureOver.gif';
            else
                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)*/
        function start() {
        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'; 
        }
        -->