var imgToUpdate;
var imgUpdateInterval;
var currentPic;
var prevPIC;
var nextPIC;
var totalPic;

function initUpdate(whichIMG,interval) {
	imgUpdateInterval = interval;
	imgToUpdate = whichIMG;
	upDateLoop();
}

function updateLiveImage() {		
	myImg = document.images[imgToUpdate];
	myImg.src = "model.jpg?refresh="+Math.ceil(Math.random()*20000000033);		
}

function upDateLoop() {
	updateLiveImage();
	setTimeout("upDateLoop()", imgUpdateInterval);
}

/////////////// OPEN CONSOLE ///////////////

function popLiveConsole() {
	w = 820;
	h = 640;
	l = Math.ceil((screen.width-w)/2);
	t = Math.ceil((screen.height-h)/3);
	proj = 'liveConsole';
	consoleURL = '/projects/cannes06/live/';
	arg = 'width='+w+',height='+h+',left='+l+',top='+t+', scrollbars=no';
	popup = (document.layers) ? window.open(consoleURL, proj, arg) : window.open(consoleURL, proj, arg);
	popup.focus();	
}


///////////// GALLERY PREV/NEXT ///////////////

currentPic = 1;
prevPIC = 1;
nextPIC = 1;
totalPic = 12;

function prev() {
	if (currentPic>1) {
		currentPic--;
	} else {
		currentPic=totalPic;
	}
	for (i=1;i<=totalPic;i++) {
		hidePIC = 'gallery'+i;
		if(document.getElementById) {
			document.getElementById(hidePIC).style.visibility = 'hidden';
		} else if(document.layers) {
			document.layers[hidePIC].style.visibility = 'hidden';
		} else {
			document.all[hidePIC].style.visibility = 'hidden';
		}		
	}
	prevPIC = 'gallery'+currentPic;
	if(document.getElementById) {
		document.getElementById(prevPIC).style.visibility = 'visible';
		document.getElementById('navnum').innerHTML = '('+currentPic+' of '+totalPic+')';
	} else if(document.layers) {
		document.layers[prevPIC].style.visibility = 'visible';
		document.layers['navnum'].innerHTML = '('+currentPic+' of '+totalPic+')';
	} else {
		document.all[prevPIC].style.visibility = 'visible';
		document.all['navnum'].innerHTML = '('+currentPic+' of '+totalPic+')';
	}
}


function next() {
	if (currentPic<totalPic) {
		currentPic++;
	} else {
		currentPic=1;
	}
	for (i=1;i<=totalPic;i++) {
		hidePIC = 'gallery'+i;
		if(document.getElementById) {
			document.getElementById(hidePIC).style.visibility = 'hidden';
		} else if(document.layers) {
			document.layers[hidePIC].style.visibility = 'hidden';
		} else {
			document.all[hidePIC].style.visibility = 'hidden';
		}
	}
	nextPIC = 'gallery'+currentPic;
	if(document.getElementById) {
		document.getElementById(nextPIC).style.visibility = 'visible';
		document.getElementById('navnum').innerHTML = '('+currentPic+' of '+totalPic+')';
	} else if(document.layers) {
		document.layers[nextPIC].style.visibility = 'visible';
		document.layers['navnum'].innerHTML = '('+currentPic+' of '+totalPic+')';
	} else {
		document.all[nextPIC].style.visibility = 'visible';
		document.all['navnum'].innerHTML = '('+currentPic+' of '+totalPic+')';
	}
}