imgoff = new Image();
imgoff.src="images/sqnurse.jpg";

imgoff2 = new Image();
imgoff2.src = "images/christmas.gif";

previ = 1;

function startPicture() {

  //loadImages();
  runTimer();
  setInterval("runTimer()", 1500);
  //reset();
}

function runTimer() {

	i = Math.ceil(Math.random() * 4);
	
	while (i == previ) {

		i = Math.ceil(Math.random() * 4);
	}	
	
	t = new Image();
	//alert('image' + i);
	t.src = document.images['image' + i].src;
	
	document.images['image' + i].src=imgoff.src;
	//imgoff.src = imgoff2.src;
	//imgoff2.src = t.src;
	imgoff.src = t.src;
	
	previ = i;

}

function imageClick(i) {
	
	filename = document.images['image' +i].src.substring(document.images['image' +i].src.lastIndexOf('/')+1);
	
	if (filename == "sqnurse.jpg") {
		window.location="/nursing/";
	} else if (filename == "sqyouthonground.jpg") {
		window.location="/communityservices/";
	} else if (filename == "sqenglishsecondlangblackboard.jpg") {
		window.location="/esl/";
	} else if (filename == "sqofficescene.jpg") {
		window.location="/business/";
	} else if (filename == "sqguyinwheelchair.jpg") {
		window.location="/health/";
	} else if (filename == "sqfreefirstaidkit.jpg") {
		window.location="/specials/";
	}
}