function initGal(){
	var _duration = 5000;
	var _hold = $('#main-img');
	var _a = 0;
	var _timer;
	var _list = $('img', _hold).each(function(_ind, _el){
		if(_el.className.indexOf('active') != -1){
			_a = _ind;
			_el.style.display = 'block';
		}
	});
	function nextEl(){
		_list.eq(_a).css('z-index','1').fadeOut(600);
		if(_a < _list.length -1 ){ _a++;}
		else{ _a = 0;}
		_list.eq(_a).css('z-index','2').fadeIn(600,function(){
			_list.removeClass('active').css('z-index','1');
			_list.eq(_a).addClass('active');
			_timer = setTimeout(function(){ nextEl();}, _duration);
		});
	}
	_timer = setTimeout(function(){ nextEl();}, _duration);
}
if (window.addEventListener)
	window.addEventListener("load", initGal, false);
else if (window.attachEvent)
	window.attachEvent("onload", initGal);