jQuery.fn.simpleSlide=function(a){
	a=a||{};
	a.duration=a.duration||4000;
	a.transition=a.transition||1000;
	var c=jQuery(this);
	jQuery(c).css("position","relative");
	jQuery("img",jQuery(c)).css({"position":"absolute","top":"0px","left":"0px","z-index":"8"}).find(":first").addClass("slide-active").css("z-index","10");
	setInterval(function(){
			var $active=jQuery("img.slide-active",jQuery(c));
			if($active.length==0)
				$active=jQuery("img:last",jQuery(c));
			var $next=$active.next().length?$active.next():jQuery("img:first",jQuery(c));
			$active.addClass("slide-last-active").css("z-index","9");
			$next.css({opacity: 0.0}).addClass("slide-active").css("z-index","10").animate({opacity:1.0},a.transition,function(){
				$active.removeClass("slide-active slide-last-active").css("z-index","8");
			});
	}, a.duration);
}