function hideSubPanels() {
	for (var i = 1; i < 7; i++) {
		document.getElementById("subpanel" + i).style.display = "none";
	}
}

function checkforNetscape4() {
	// if the browser is netscape 4, urge the user to upgrade the browser, its a terrible browser and is very old 
	if (navigator.appName == "Netscape" && (navigator.userAgent.indexOf("Mozilla/4.") != -1)) {
		location.href = "/upgrade.htm";
	}
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

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

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		pi1 = newImage("/images/banners/values_wide.jpg");
		pi2 = newImage("/images/banners/quality_wide.jpg");
		pi3 = newImage("/images/banners/community_wide.jpg");
		pi4 = newImage("/images/banners/partnership_wide.jpg");
		pi5 = newImage("/images/banners/teachereducation_wide.jpg");
		pi6 = newImage("/images/banners/liberalarts_wide.jpg");
		preloadFlag = true;
	}
}

function ImageCycler(theImageNumber) {
	if ((theImageNumber + 1) > myRandomImages.length-1) {
		theImageNumber = 1;
	} else {
		theImageNumber++;
	}
	showSubPanel(theImageNumber);
	//window.setTimeout("ImageCycler(" + theImageNumber + ")", theDelay);
	if (timer_is_on)
        {
          t=window.setTimeout("ImageCycler(" + theImageNumber + ")", theDelay);
        }
}

function showSubPanel(panelNumber) {
	hideSubPanels();
	theImageNumber = panelNumber;
	document.getElementById("subpanel" + panelNumber).style.display = "block";
	changeImages('homePageBanner', myRandomImages[panelNumber][0]);
}


function timerOn() 
{
  if (timer_is_on == 0) 
  {
   timer_is_on=1;
   //if (theImageNumber==undefined)
   //{
   //  theImageNumber = 1;
   //}
   ImageCycler(theImageNumber);
  }
}

function timerOff()
{
  clearTimeout(t);
  timer_is_on=0;
}


var myRandomImages = new Array();
myRandomImages[1] = ["/images/banners/values_wide.jpg"];
myRandomImages[2] = ["/images/banners/quality_wide.jpg"];
myRandomImages[3] = ["/images/banners/community_wide.jpg"];
myRandomImages[4] = ["/images/banners/partnership_wide.jpg"];
myRandomImages[5] = ["/images/banners/teachereducation_wide.jpg"];
myRandomImages[6] = ["/images/banners/liberalarts_wide.jpg"];

var theImageNumber = 1;
var theDelay = 10000;
var t;
var timer_is_on=1;

checkforNetscape4();