/*email link*/
u = window.location;
m = ""; 

/*default email subject text if desired*/
function emaillink() {
	window.location = "mailto:?subject="+m+"&body="+document.title+" "+u;
}
   
/*resize text*/
var prefsLoaded = false;
var defaultFontSize = 80;
var currentFontSize = defaultFontSize;

function revertStyles(){

	currentFontSize = defaultFontSize;
	changeFontSize(0);

}

function changeFontSize(sizeDifference){
	currentFontSize = parseInt(currentFontSize) + parseInt(sizeDifference * 5);

	if(currentFontSize > 100){
		currentFontSize = 100;
	}else if(currentFontSize < 60){
		currentFontSize = 60;
	}

	setFontSize(currentFontSize);
};

function setFontSize(fontSize){
	var stObj = (document.getElementById) ? document.getElementById('wrapper') : document.all('wrapper');
	document.body.style.fontSize = fontSize + '%';
};

/* - - - - - -
OTHER FUNCTIONS
- - - - - - */

function switchhook() {
	var thelink = document.getElementById("ouhook").href;
	var lnks = document.links;
	for (var i=0;i<lnks.length;i++) {
		if (lnks[i].id == "copylink") {
			lnks[i].href = thelink;
			break;
		}
	}
}

function init () {
	switchhook();
}

function nostatus () {
	window.status="";
	return true;
}
/* rotating image for ANNOUNCEMENTS home page */

gSlideshowInterval = 5;
gNumberOfImages = 3;

gImages = new Array(gNumberOfImages);
gImages[0] = "/announcements/september2006/patchthumb.jpg";
gImages[1] = "/announcements/september2006/tmithumb.jpg";
gImages[2] = "/announcements/september2006/phishthumb.jpg";

function canManipulateImages() {
	if (document.images)
		return true;
	else
		return false;
}
function loadSlide(imageURL) {
	if (gImageCapableBrowser) {
		document.slide.src = imageURL;
		return false;
	}
	else {
		return true;
	}
}
function nextSlide() {
	gCurrentImage = (gCurrentImage + 1) % gNumberOfImages;
	loadSlide(gImages[gCurrentImage]);
}
gImageCapableBrowser = canManipulateImages();
gCurrentImage = 0;
setInterval("nextSlide()",gSlideshowInterval * 1000);