var _timer_,_images=[];
function initPhotoList(){
	var _img = document.createElement('img');
	_img.id = '_temp_image_';
	_img.style.position = 'absolute';
	//_img.style.display = 'none';
	_img.style.left = '-1000px';
	_img.style.top  = '-1000px';
	//_img.style.zIndex = '1000';
	
	_img.style.visibility = 'hidden';
	
	
	
	document.body.appendChild(_img);
	for(pl in photo_list){
		//var id = photo_list[pl];
		for(var i=1,l=photo_list[pl].length; i<l;i++){
			t =  new Image();		
			t.src = photo_list[pl][i];
			_images[_images.length] = t; 
		}
		$(pl).observe("mouseover", function(event){
            var id = Event.element(event).id;            
            playPhotoList(id);
            
        });
		$(pl).observe("mouseout", function(event){
            //var id = Event.element(event).id;
            clearTimeout(_timer_); 
        });		
	}
}


function playPhotoList(id) {	
	
	if(photo_list[id].length < 2)return;	

	photo_list[id][0]++;
		
    if (photo_list[id][0] >= photo_list[id].length)
    	photo_list[id][0] = 1;

    var _img = $('_temp_image_');
    var img = $(id); 
    
    _img.height = img.height; 
    _img.src = photo_list[id][photo_list[id][0]];
    

	if(_img.clientWidth > max_img_width){
	    img.style.position = 'relative';
	    img.style.left = '-'+((_img.clientWidth - window.max_img_width) / 2)+'px';	   
	 }else{
		img.style.position = 'static';
		img.style.left = '0px';
	 }    
	img.src = photo_list[id][photo_list[id][0]];	 
	
    _timer_ = setTimeout("playPhotoList('"+id+"')", 1000);
    
}
Event.observe(window, 'load', initPhotoList);