function initSlide() {
    var img_width = 608;
    var curent = 0;
    var max_count = 3;
    var inProcess = false;
	var img_holder = $$('#main-text .site-screen-gallery');
	var img_count = $$('#main-text .site-screen-gallery img').length;
	
	var _prev = $$('#main-text .preview-site .preview-tab a.prev-img');
	if (_prev.length) {
		_prev = _prev[0];
		_prev.href = 'javascript:;';
	}
	
	var _next = $$('#main-text .preview-site .preview-tab a.next-img');
	if (_next.length) {
		_next = _next[0];
		_next.href = 'javascript:;';
	}
	
	if (img_holder.length && img_count && _next && _prev){
		max_count = img_count;
		img_holder = img_holder[0];
		img_holder._mooeff = new Fx.Tween($(img_holder), {duration:750,
				onStart: function(){
					inProcess = true;
				},
				onComplete: function(){
					inProcess = false;
				}				
			});
		_next.onclick = function(){
			if (!inProcess){
				curent++;
				if (curent >= max_count) curent = 0;
				img_holder._mooeff.start('left', -(curent*img_width));
			}
		}
		_prev.onclick = function(){
			if (!inProcess){
				curent--;
				if (curent < 0) curent = max_count-1;
				img_holder._mooeff.start('left', -(curent*img_width));
			}
		}		
	}
}

if (window.addEventListener) {
	window.addEventListener("load", initSlide, false);
}
else if (window.attachEvent) {
	window.attachEvent("onload", initSlide);
}