// helper functions
	function changeImage(target, source) {
		var imageObj;
	
		if (ns4) {
			imageObj = getImage(target);
			if (imageObj) imageObj.src = eval(source).src; 
		} else {
			imageObj = eval('document.images.' + target);
			if (imageObj) imageObj.src = eval(source).src; 
		}
	}

	function findImage(name, doc) {
		var i, img;
		for (i = 0; i < doc.images.length; i++) {
    		if (doc.images[i].name == name) {
				return doc.images[i];
			}
		}
		for (i = 0; i < doc.layers.length; i++) {
    		if ((img = findImage(name, doc.layers[i].document)) != null) {
				img.container = doc.layers[i];
				return img;
	    	}
		}
		return null;
	}


	function getImage(name) {
		if (document.layers) {
    		return findImage(name, document);
		}
		return null;
	}

	function sniffBrowsers() {
		 ns4 = document.layers;
		 op5 = (navigator.userAgent.indexOf("Opera 5")!=-1) ||(navigator.userAgent.indexOf("Opera/5")!=-1);
		 op6 = (navigator.userAgent.indexOf("Opera 6")!=-1) ||(navigator.userAgent.indexOf("Opera/6")!=-1);
		 agt=navigator.userAgent.toLowerCase();
		 mac = (agt.indexOf("mac")!=-1);
		 ie = (agt.indexOf("msie") != -1); 
		 mac_ie = mac && ie;
	}

	function rollOver() {
	// increments the timer and updates images
		blankImg+=1;
		if (blankImg>5) blankImg = 1;


		myImg1+=1;
		if (myImg1 >= numPics) {
			myImg1 = 0;
		}
		if (blankImg == 1) {
			changeImage('img1' , 'blank');
		} else {
			changeImage('img1' , 'pic' + myImg1);
			//alert('pic' + myImg1);
		} 

		myImg2+=1;
		if (myImg2 >= numPics) {
			myImg2 = 0;
		}
		if (blankImg == 2) {
			changeImage('img2' , 'blank');
		} else {
			changeImage('img2' , 'pic' + myImg2);
			//alert('pic' + myImg1);
		} 

		myImg3+=1;
		if (myImg3 >= numPics) {
			myImg3 = 0;
		}
		if (blankImg == 3) {
			changeImage('img3' , 'blank');
		} else {
			changeImage('img3' , 'pic' + myImg3);
			//alert('pic' + myImg1);
		} 

		myImg4+=1;
		if (myImg4 >= numPics) {
			myImg4 = 0;
		}
		if (blankImg == 4) {
			changeImage('img4' , 'blank');
		} else {
			changeImage('img4' , 'pic' + myImg4);
			//alert('pic' + myImg1);
		} 

		myImg5+=1;
		if (myImg5 >= numPics) {
			myImg5 = 0;
		}
		if (blankImg == 5) {
			changeImage('img5' , 'blank');
		} else {
			changeImage('img5' , 'pic' + myImg5);
			//alert('pic' + myImg1);
		} 



		timeOn = setTimeout("rollOver()", updateInterval);
		return true;
	}
	
	// init variables
	var updateInterval = 3500;
	var ns4 ;
	var op5;
	var op6 ;
	var agt;
	var mac;
	var ie; 
	var mac_ie;
	
	var numPics = 0;
	var myImg1 = 0;
	var myImg2 = 0;
	var myImg3 = 0;
	var myImg4 = 0;
	var myImg5 = 0;

	var blankImg = 1;

	var blank = new Image(128,128); 
  	blank.src = "logos/blank.gif";


	// what browser are we using?
	sniffBrowsers();


	
	
	



var pic0 = new Image(128,128);pic0.src = "logos/logo1.gif";numPics+=1;var pic1 = new Image(128,128);pic1.src = "logos/logo2.gif";numPics+=1;var pic2 = new Image(128,128);pic2.src = "logos/logo3.gif";numPics+=1;var pic3 = new Image(128,128);pic3.src = "logos/logo4.gif";numPics+=1;var pic4 = new Image(128,128);pic4.src = "logos/logo5.gif";numPics+=1;var pic5 = new Image(128,128);pic5.src = "logos/logo6.gif";numPics+=1;var pic6 = new Image(128,128);pic6.src = "logos/logo7.gif";numPics+=1;var pic7 = new Image(128,128);pic7.src = "logos/logo8.gif";numPics+=1;var pic8 = new Image(128,128);pic8.src = "logos/logo9.gif";numPics+=1;var pic9 = new Image(128,128);pic9.src = "logos/logo10.gif";numPics+=1;var pic10 = new Image(128,128);pic10.src = "logos/logo11.gif";numPics+=1;var pic11 = new Image(128,128);pic11.src = "logos/logo12.gif";numPics+=1;var pic12 = new Image(128,128);pic12.src = "logos/logo13.gif";numPics+=1;var pic13 = new Image(128,128);pic13.src = "logos/logo14.gif";numPics+=1;var pic14 = new Image(128,128);pic14.src = "logos/logo15.gif";numPics+=1;var pic15 = new Image(128,128);pic15.src = "logos/logo16.gif";numPics+=1;
picSpacing=1;
currentPic = 1;

if (numPics>0) {
	

	changeImage('img2', 'pic' + currentPic);
	myImg2 = currentPic;

	currentPic+=picSpacing;
	if (currentPic>=numPics) currentPic = 1;
	changeImage('img3', 'pic' + currentPic);
	myImg3 = currentPic;

	currentPic+=picSpacing;
	if (currentPic>=numPics) currentPic = 1;
	changeImage('img4', 'pic' + currentPic);
	myImg4 = currentPic;

	currentPic+=picSpacing;
	if (currentPic>=numPics) currentPic = 1;
	changeImage('img5', 'pic' + currentPic);
	myImg5 = currentPic;

	// start the ball rolling!
	timeOn = setTimeout("rollOver()", updateInterval);
}