(function($){
	$.fn.mulMarquee = function(options){
		var opts = $.extend({},$.fn.mulMarquee.defaults, options);
		
		return this.each(function(){
			var $marquee = $(this);//
			var _scrollObj = $marquee.get(0);//
			var scrollW = $marquee.width();//
			var scrollH = $marquee.height();//
			var $element = $marquee.children(); //
			var $kids = $element.children();//
			var scrollSize=0;//
			var _type = (opts.direction == 'left' || opts.direction == 'right') ? 1:0;//
			

			$element.css(_type?'width':'height',10000);
			//
			if (opts.isEqual) {
				scrollSize = $kids[_type?'outerWidth':'outerHeight']() * $kids.length;
			}else{
				$kids.each(function(){
					scrollSize += $(this)[_type?'outerWidth':'outerHeight']();
				});
			}
			//
			if (scrollSize<(_type?scrollW:scrollH)) return; 
			//
			$element.append($kids.clone()).css(_type?'width':'height',scrollSize*2);
			
			var numMoved = 0;
			function scrollFunc(){
				var _dir = (opts.direction == 'left' || opts.direction == 'right') ? 'scrollLeft':'scrollTop';
				if (opts.loop > 0) {
					numMoved+=opts.scrollAmount;
					if(numMoved>scrollSize*opts.loop){
						_scrollObj[_dir] = 0;
						return clearInterval(moveId);
					} 
				}

				if(opts.direction == 'left' || opts.direction == 'up'){
					var newPos = _scrollObj[_dir] + opts.scrollAmount;
					if(newPos>=scrollSize){
						newPos -= scrollSize;
					}
					_scrollObj[_dir] = newPos;
				}else{
					var newPos = _scrollObj[_dir] - opts.scrollAmount;
					if(newPos<=0){
						newPos += scrollSize;
					}
					_scrollObj[_dir] = newPos;
				}
			}
			//
			var moveId = setInterval(scrollFunc, opts.scrollDelay);
			//
			$marquee.hover(
				function(){
					clearInterval(moveId);
				},
				function(){
					clearInterval(moveId);
					moveId = setInterval(scrollFunc, opts.scrollDelay);
				}
			);
			
		});
	};
	$.fn.mulMarquee.defaults = {
		isEqual:true,//
		loop: 0,//
		direction: 'left',//
		scrollAmount:1,//
		scrollDelay:50//

	};
	$.fn.mulMarquee.setDefaults = function(settings) {
		$.extend( $.fn.mulMarquee.defaults, settings );
	};
})(jQuery);