function initLatestVideo(element,itemWidth,conWidth) {	
	var oldonload;
	oldonload = window.onload;
	
	if (typeof oldonload == 'function') {
		window.onload = function() {
			oldonload();
			var a = new LatestVideo(element,itemWidth,conWidth);
		} 
	}else {
		window.onload = function() {
			var a = new LatestVideo(element,itemWidth,conWidth);
		}
	}
	
}

var LatestVideo = function(element,itemWidth,conWidth) {
	var self = this;
	var element = element;
	var bAnim = false;
	
	itemWidth = itemWidth || 117;
	conWidth = conWidth || 364;
	
	var aPrev = (searchChilds(element, "prev"))[0];
	var aNext = (searchChilds(element, "next"))[0];
	
	var holder = (searchChilds(element, "holder"))[0];
	var holder_width = getWidth(holder,false,false,false);
	//var holder_width = conWidth;
	
	var ul = (searchChildsByTagName(holder, "UL"))[0];
	var li = searchChildsByTagName(ul, "LI");
	
	var items = new Array();
	var steps = new Array();
	var cur_step = complete_step = 0;
	var w = 0;
	
	
	
	steps[0]=0;
	for (var i=0,j=1,x=0,n=li.length ; i < n ; i++) {
		items[i] = {};
		items[i].w = getWidth(li[i],true,true,true);
		//items[i].w = itemWidth;
		items[i].x = w;
		w += items[i].w;
		
		if (x + items[i].w > holder_width) {
			steps[j] = items[i].x;
			x=items[i].w;
			j++;
			
		} else {
			x += items[i].w;
		}
	}
	ul.style.width = w+"px";
	
	//last step
	
	var from_left, to_left;
	var ease = "swing";
	var anim_step = function(state,n,d) {
		var diff = to_left - from_left;
		var x = to_left;
		
		if (state >= 1) {
			x = from_left + diff;
		} else {
			if (ease == "swing") {
				x = ((-Math.cos(state*Math.PI)/2) + 0.5) * diff + from_left;
			} else if (ease == "easeOutExpo") {
				if (n==d) {
					x = 1;
				} else {
					x = 1 * (-Math.pow(2, -10 * n/d) + 1);
					x = from_left + diff * x;
				}
			} else {
				x = from_left + diff * state;
			}
		}
		ul.style.left = x + "px";
	};
	
	var anim_complete = function(state) {
		cur_step = complete_step;
		bAnim = false;
	};
	
	var aPrev_click = function() {
		if (cur_step > 0 && !bAnim) {
			bAnim = true;
			complete_step = cur_step-1;
			from_left = steps[cur_step] * -1;
			to_left = steps[complete_step] * -1;
			
			new Animation(500,anim_step,anim_complete);
		}
		return false;
	};
	
	var aNext_click = function() {
		
		if (cur_step < steps.length-1 && !bAnim) {
			bAnim = true;
			complete_step = cur_step+1;
			from_left = steps[cur_step] * -1;
			to_left = steps[complete_step] * -1;
			new Animation(500,anim_step,anim_complete);
		}
		return false;
	};
	
	
	aPrev.onclick = aPrev_click;
	aNext.onclick = aNext_click;
};