// Cross Browser DOM
// copyright Stephen Chapman, 4th Jan 2005
// you may copy this code but please keep the copyright notice as well
var aDOM = 0, ieDOM = 0, nsDOM = 0; 
var stdDOM = document.getElementById;

if (stdDOM) aDOM = 1; 
else {ieDOM = document.all; 
	if (ieDOM) aDOM = 1; 
	else {
		var nsDOM = ((navigator.appName.indexOf('Netscape') != -1) && (parseInt(navigator.appVersion) ==4)); 
		if (nsDOM) aDOM = 1;
	}
}

function xDOM(objectId, wS) {
	if (stdDOM) return wS ? document.getElementById(objectId).style: document.getElementById(objectId);
	if (ieDOM) return wS ? document.all[objectId].style: document.all[objectId];
	if (nsDOM) return document.layers[objectId];
} 

//this hides and shows stuff
function setObjVis(objectID,vis) {
	var objs = xDOM(objectID,1); 
	objs.visibility = vis;
} 

//rotating banner function
var textnum = 0;
var oldnum = 3;
function rotate() {
	var texts = new Array("text1","text2","text3","text4");
	
	var thistext = texts[textnum];
	setObjVis(thistext,'visible');
	
	var thattext = texts[oldnum];
	setObjVis(thattext,'hidden');
	
	textnum++;
	if (textnum == texts.length) {
		textnum = 0;
	}
	
	oldnum++;
	if (oldnum == texts.length) {
		oldnum = 0;
	}
	timer = setTimeout(rotate, 3 * 1000);
}


//preload bubble images
var linkbubble = new Image();
linkbubble.src = "../assets/images/blue_tooltip.gif";

var filler = new Image();
filler.src = "../assets/images/blue_filler.gif";

var pobubble = new Image();
pobubble.src = "../assets/images/po_bubble.gif";

var smallbubble = new Image();
smallbubble.src = "../assets/images/small_blue.gif";

var smallfiller = new Image();
smallfiller.src = "../assets/images/small_blue_filler.gif";



var fname="frame";     //MAIN CONTENT AREA FRAME 
window.onload = start; 


function start() {

//make visable on load
setObjVis('myobj','visible');
setObjVis('text1','hidden');
setObjVis('text2','hidden');
setObjVis('text3','hidden');
setObjVis('text4','hidden');
//setObjVis('page','visible');
//setObjVis('loading','hidden');
//setObjVis('mp3','visible');

rotate();

//url thing
var d=document.location.search;
if(d!='')top.frames[fname].document.location.href=d.substring(d.lastIndexOf('?')+1,d.length);

//location.reload(true)
}


function stopAnim() {
clearTimeout(timer);
setObjVis('myobj','hidden');
setObjVis('hide','hidden');
setObjVis('show','visible');
setObjVis('text1','hidden');
setObjVis('text2','hidden');
setObjVis('text3','hidden');
setObjVis('text4','hidden');
} 

function startAnim() {
clearTimeout(timer);
setObjVis('myobj','visible');
setObjVis('show','hidden');
setObjVis('hide','visible');
rotate();
}

function pauseAnim() {
clearTimeout(timer);

} 

function resumeAnim() {
clearTimeout(timer);
rotate();

}