var loadVideo = function(videoId, videoName, videoLoader){
	//alert(videoId + ',' + videoName + ',' + videoLoader);
	var vid = new Request.HTML({
		url: videoLoader,
		method: 'post',
		data: {'video': videoName},
		// noCache: true,
		update: $(videoId)
	}).send();
};
	
var goForward = function(elem) {
	var Scroll = new Fx.Scroll(elem);	
	var frame = $(elem).getScroll();
	Scroll.start(frame.x+84,0);
};
	
var goBackward = function(elem) {
	var Scroll = new Fx.Scroll(elem);
	var frame = $(elem).getScroll();
	Scroll.start(frame.x-84,0);
};

/* Arrange video thumbs, put in one line*/
//calculate the width of vthumbs-container
var loadMultiVideo = function () {

	var containerWidth = 0;
	$$('#vthumbs-container .vthumbs').each(function(elem, index){
		containerWidth += parseInt(elem.getStyle('width'))
			+ parseInt(elem.getStyle('margin-left'))
			+ parseInt(elem.getStyle('margin-right'));
	});
	$('vthumbs-container').setStyle('width', containerWidth);
	/* vthumbs doesn't show untill all loaded and are set in one row by js*/
	$$('.vthumbs').setStyle('display','inline');
}