/* functions for dealing with video previews */

// slide previews
gSlideshowInterval = 2;
gNumberOfImages = 5;

gImages = new Array(gNumberOfImages);
gImages[0] = ".1.jpg";
gImages[1] = ".2.jpg";
gImages[2] = ".3.jpg";
gImages[3] = ".4.jpg";
gImages[4] = ".5.jpg";

function canManipulateImages() {
	if (document.images)
		return true;
	else
		return false;
}
function loadSlide(imageURL,imgId,channelId) {
	if (gImageCapableBrowser) {
		document.getElementById(channelId+imgId).src = imageURL;
		return false;
	}
	else {
		return true;
	}
}
function nextSlide(imgId,channelId) {
	gCurrentImage = (gCurrentImage + 1) % gNumberOfImages;
	loadSlide("http://images.magicseaweed.com/video/" + imgId + gImages[gCurrentImage], imgId, channelId);
}
function startSlides(imgId,channelId) {
	slideStart = setInterval("nextSlide("+imgId+",'"+channelId+"')",gSlideshowInterval * 500);
}
function stopSlides(imgId,channelId) {
	var thisImg = channelId+imgId;
	clearInterval(slideStart);
	document.getElementById(thisImg).src='http://images.magicseaweed.com/video/' + imgId + '.jpg';
}
gImageCapableBrowser = canManipulateImages();
gCurrentImage = 0;