var preloadFlag = false;
dir = "http://gwired.gwu.edu/ci/images/";
var version;
browserVer = parseInt(navigator.appVersion);
version = (browserVer >= 3) ? "n3" : "n2";

function flip_on(imgName) {   
        if (version == "n3") {
        imgOn = eval(imgName + "_over.src");
        document [imgName].src = imgOn;
        }
}
        
function flip_off(imgName) { 
        if (version == "n3") {
        imgOff = eval(imgName + "_off.src");
        document [imgName].src = imgOff;
        }
}

function preload_menu(pages) {
        for (p=0;p<pages.length;p++) {
                eval("menu_" + pages[p] + "_over = new Image;");
                eval("menu_" + pages[p] + "_off = new Image;");
                eval("menu_" + pages[p] + "_over.src = \""+dir+"menu/menu_over_"+pages[p]+".gif\";");
                eval("menu_" + pages[p] + "_off.src = \""+dir+"menu/menu_off_"+pages[p]+".gif\";");
        
        }
}
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function preloadImages() {
	if (document.images) {
		over__1_RGB_normal_03 = newImage(/*URL*/'rollover/1_RGB_over_03.gif');
		down__1_RGB_normal_03 = newImage(/*URL*/'rollover/1_RGB_on_03.gif');
		over__1_RGB_normal_05 = newImage(/*URL*/'rollover/1_RGB_over_05.gif');
		down__1_RGB_normal_05 = newImage(/*URL*/'rollover/1_RGB_on_05.gif');
		over__1_RGB_normal_06 = newImage(/*URL*/'rollover/1_RGB_over_06.gif');
		down__1_RGB_normal_06 = newImage(/*URL*/'rollover/1_RGB_on_06.gif');
		over__1_RGB_normal_08 = newImage(/*URL*/'rollover/1_RGB_over_08.gif');
		down__1_RGB_normal_08 = newImage(/*URL*/'rollover/1_RGB_on_08.gif');
		over__1_RGB_normal_09 = newImage(/*URL*/'rollover/1_RGB_over_09.gif');
		down__1_RGB_normal_09 = newImage(/*URL*/'rollover/1_RGB_on_09.gif');
		over__1_RGB_normal_11 = newImage(/*URL*/'rollover/1_RGB_over_11.gif');
		down__1_RGB_normal_11 = newImage(/*URL*/'rollover/1_RGB_on_11.gif');
		preloadFlag = true;
	}
}

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

///////////////////////////////////////////////////
//
//  Factoid mouseovers
//
///////////////////////////////////////////////////

docall = (document.all) ? 1:0;
element = (document.getElementById) ? 1:0;
layers = (document.layers) ? 1:0;

function print_factoid(text) {
	
	if (docall) {
		document.all.factoid.innerHTML = text;
	}	
	
	if (element) {
		document.getElementById('factoid').innerHTML = text;
	}
	
	if (layers) {
		document.layers["factoid"].document.open();
		document.layers["factoid"].document.write(text);
		document.layers["factoid"].document.close();
	}
}

function clear_factoid() {
	if (docall) {
		document.all.factoid.innerHTML = '';
	}
		
	if (element) {
		document.getElementById('factoid').innerHTML = '';
	}

	if (layers) {
		document.layers["factoid"].document.open();
		document.layers["factoid"].document.write('');
		document.layers["factoid"].document.close();
	}
}


///////////////////////////////////////////////////
//
//  This is not a mouseover, but rather script to open the cabinet window
//
///////////////////////////////////////////////////

function openwin(URL) {
	window.open(URL,"Cabinet","toolbar=no,width=530,height=380,status=no,scrollbars=yes,resize=no,menubar=no");
}