(function(jQuery) {
jQuery.fn.daMarquee = function(para) {
	para = jQuery.extend({
        type:"left",
		speed:30,
		scroll:2,
		step:1,
		btnNext:false,
		btnPrev:false,
		remove:false,
		loop:true,
		tools:false,
		mistake:0,
		errMes:false
    }, para || {});
    var o = jQuery(this);
    var mar;
	var thisIndex = 0;
	var elements = o.children();
	var len = elements.size();
	var totalWidth = 0;
	var totalHeight = 0;
	var oHtml = o.html();
	var iWidth = o.children().width()+parseInt(o.children().css("margin-left"))+parseInt(o.children().css("margin-right"));
	var iHeight = o.children().height()+parseInt(o.children().css("margin-top"))+parseInt(o.children().css("margin-bottom"));
	var oWidth = o.width();
	var oHeight = o.height();
	if (!para.remove){
		para.remove = iWidth;
		var Xmove = para.remove*para.step;
	}
	if(para.tools){
		var iconBox = jQuery(para.tools);
	}
	var dist = para.remove*para.step;
	elements.each(function(){
		totalWidth = totalWidth + (jQuery(this).width() + parseInt(jQuery(this).css("margin-left")) + parseInt(jQuery(this).css("margin-right")) + parseInt(jQuery(this).css("padding-left")) + parseInt(jQuery(this).css("padding-right")));
		totalHeight = totalHeight + (jQuery(this).height() + parseInt(jQuery(this).css("margin-top")) + parseInt(jQuery(this).css("margin-bottom")) + parseInt(jQuery(this).css("padding-top")) + parseInt(jQuery(this).css("padding-bottom")));
	});
	
	
	
	o.empty();
	o.css({ 
		"overflow": "hidden",
		"position": "relative"
	});
	
	o.append('<div class="daMarquee1"></div>');
	o.append('<div class="daMarquee2"></div>');
	var div1 = jQuery(this).children(".daMarquee1");
	var div2 = jQuery(this).children(".daMarquee2");

	div1.css({ 
		"width": "100%", 
		"height": "100%",
		"position":"relative",
		"top":"0px",
		"left":"0px",
		"float":"left",
		"display":"inline",
		"overflow": "hidden",
		"padding": "0px",
		"margin": "0px"
	});
	div2.css({ 
		"width": "100%", 
		"height": "100%",
		"position":"relative",
		"top":"0px",
		"left":"0px",
		"float":"left",
		"display":"inline",
		"overflow": "hidden",
		"padding": "0px",
		"margin": "0px"
	});
	div1.html(oHtml);
	div2.html(oHtml);

	if(para.type=="left"){
		div1.css({ 
			"width": totalWidth+"px"
		});
		div2.css({ 
			"width": totalWidth+"px",
			"top": -oHeight+"px",
			"left": totalWidth+"px"
		});
		var move = function(){
			go(para.type);
		}
		mar = setInterval(move, para.speed);
		if( div1.width() < oWidth ){
			if(para.errMes){
				alert("宽度不够");
			}
			clearInterval(mar);	
			return false;
		}
	}
	if(para.type=="right"){
		div1.css({ 
			"width": totalWidth+"px"
		});
		div2.css({ 
			"width": totalWidth+"px",
			"top": -oHeight+"px",
			"left": -(totalWidth)+"px"
		});
		var move = function(){
			go(para.type);
		}
		mar = setInterval(move, para.speed);
		if( div1.width() < oWidth ){
			if(para.errMes){
				alert("宽度不够");
			}
			clearInterval(mar);	
			return false;
		}
	}
	if(para.type=="up"){
		div1.css({ 
			"height": totalHeight+"px"
		});
		div2.css({ 
			"height": totalHeight+"px",
			"top": "0px"
		});
		var move = function(){
			go(para.type);
		}
		mar = setInterval(move, para.speed);
		if( div1.height() < oHeight ){
			if(para.errMes){
				alert("高度不够");
			}
			clearInterval(mar);	
			return false;
		}
		
	}
	if(para.type=="down"){
		div1.css({ 
			"height": totalHeight+"px"
		});
		div2.css({ 
			"height": totalHeight+"px",
			"top": -(totalHeight*2)+"px"
		});
		var move = function(){
			go(para.type);
		}
		mar = setInterval(move, para.speed);
		if( div1.height() < oHeight ){
			if(para.errMes){
				alert("高度不够");
			}
			clearInterval(mar);	
			return false;
		}
		
	}
	if(para.type=="stepleft" || para.type=="stepLeftControl"){
		div1.css({ 
			"width": totalWidth+"px"
		});
		div2.css({ 
			"width": totalWidth+"px",
			"top": -oHeight+"px",
			"left": totalWidth+"px"
		});
		jQuery(para.btnNext).css({ 
			"cursor": "pointer"
		});
		jQuery(para.btnPrev).css({ 
			"cursor": "pointer"
		});
		var move = function(){
			go(para.type);
		}
		if( div1.width() < oWidth ){
			if(para.errMes){
				alert("宽度不够");
			}
			return false;
		}
		move();
	}
	if(para.type=="stepup"){
		div1.css({ 
			"height": totalHeight+"px"
		});
		div2.css({ 
			"height": totalHeight+"px",
			"top": "0px"
		});
		jQuery(para.btnNext).css({ 
			"cursor": "pointer"
		});
		jQuery(para.btnPrev).css({ 
			"cursor": "pointer"
		});
		var move = function(){
			go(para.type);
		}
		if( div1.height() < oHeight ){
			if(para.errMes){
				alert("高度不够");
			}
			return false;
		}
		move();
	}
	var div1Left = parseInt(div1.css("left"));
	var div2Left = parseInt(div2.css("left"));
	var div1Top = parseInt(div1.css("top"));
	var div2Top = parseInt(div2.css("top"));
	div1.hover(
		function(){
			clearInterval(mar);			
		},
		function(){
			if(para.type=="left" || para.type=="right" || para.type=="up" || para.type=="down"){
				var move = function(){
					go(para.type);
				}
				mar = setInterval(move, para.speed);
			}
			else{
				clearInterval(mar);
			}
		}
	);
	div2.hover(
		function(){
			clearInterval(mar);			
		},
		function(){
			if(para.type=="left" || para.type=="right" || para.type=="up" || para.type=="down"){
				var move = function(){
					go(para.type);
				}
				mar = setInterval(move, para.speed);
			}
			else{
				clearInterval(mar);
			}
		}
	);
	var moveLeft = function(){
		if (dist > 0) {
			var distX = Math.ceil(dist/10);
			div1.css("left",div1Left - distX);
			div1Left = parseInt(div1.css("left"));
			dist = dist - distX;
		}
		else{
			clearInterval(mar);
			dist = para.remove*para.step;
		}
	}
	var moveRight = function(){
		if (dist > 0) {
			var distX = Math.ceil(dist/10);
			div1.css("left",div1Left + distX);
			div1Left = parseInt(div1.css("left"));
			dist = dist - distX;
		}
		else{
			clearInterval(mar);
			dist = para.remove*para.step;
		}
	}
	function go(to){
		if(to=="left"){
			div1.css("left",(div1Left=div1Left-para.scroll)+"px");
			div2.css("left",(div2Left=div2Left-para.scroll)+"px");
			if(div1Left<=-(totalWidth)){
				div1Left = totalWidth-para.mistake;
			}
			if(div2Left<=-(totalWidth)){
				div2Left = totalWidth-para.mistake;
			}
		}
		else if(to=="right"){
			div1.css("left",(div1Left=div1Left+para.scroll)+"px");
			div2.css("left",(div2Left=div2Left+para.scroll)+"px");
			if(div1Left>=(totalWidth)){
				div1Left = -(totalWidth)-para.mistake;
			}
			if(div2Left>=(totalWidth)){
				div2Left = -(totalWidth)-para.mistake;
			}
		}
		else if(to=="up"){
			div1.css("top",(div1Top=div1Top-para.scroll)+"px");
			div2.css("top",(div2Top=div2Top-para.scroll)+"px");
			if(div1Top<=-(totalHeight)){
				div1Top =(totalHeight)-para.mistake;
			}
			if(div2Top<=-(totalHeight*2)){
				div2Top =(0)-para.mistake;
			}			
		}
		else if(to=="down"){
			div1.css("top",(div1Top=div1Top+para.scroll)+"px");
			div2.css("top",(div2Top=div2Top+para.scroll)+"px");
			if(div1Top>=oHeight){
				div1Top =-(totalHeight*2-oHeight)-para.mistake;
			}
			if(div2Top>=(-totalHeight)+oHeight){
				div2Top =-(totalHeight*3-oHeight)-para.mistake;
			}
		}
		else if(to=="stepleft"){
		
			if(!para.remove){
				para.remove = iWidth;
			}
			var nextClick = function(){
				if(div1.is(":animated") || div2.is(":animated")){
					return false;
				}
				if(div1Left<=-(totalWidth)){
					div1Left = totalWidth+div2Left-para.mistake;
					div1.css("left",div1Left+"px");
				}
				if(div2Left<=-(totalWidth)){
					div2Left = totalWidth+div1Left-para.mistake;
					div2.css("left",div2Left+"px");
				}
				div1.animate({
					left:div1Left-(para.remove*para.step)
				},para.speed,function(){
					div1Left = parseInt(div1.css("left"));
				});
				div2.animate({
					left:div2Left-(para.remove*para.step)
				},para.speed,function(){
					div2Left = parseInt(div2.css("left"));
				});
			}
			var prevClick = function(){
				if(div1.is(":animated") || div2.is(":animated")){
					div1.stop();
					div2.stop();
				}
				if(div1Left>=0){
					div2Left = -(totalWidth-div1Left)-para.mistake;
					div2.css("left",div2Left+"px");
				}
				if(div1Left >= oWidth){
					div1Left = -(totalWidth-div2Left)-para.mistake;
					div1.css("left",div1Left+"px");
				}
				div1.animate({
					left:div1Left+(para.remove*para.step)
				},para.speed,function(){
					div1Left = parseInt(div1.css("left"));
				});
				div2.animate({
					left:div2Left+(para.remove*para.step)
				},para.speed,function(){
					div2Left = parseInt(div2.css("left"));
				});
			}
			jQuery(para.btnNext).bind("click",nextClick);
			jQuery(para.btnPrev).bind("click",prevClick);
		}
		else if(to=="stepup"){
			if(!para.remove){
				para.remove = iHeight;
			}
			var nextClick = function(){
				if(div1.is(":animated") || div2.is(":animated")){
					return false;
				}
				if(div2Top<=-(totalHeight)){
					div1Top = (totalHeight*2+div2Top)-para.mistake;
					div1.css("top",div1Top+"px");
				}
				if(div2Top<=-(totalHeight*2)){
					div2Top = (0)-para.mistake;
					div2.css("top",div2Top+"px");
				}
				div1.animate({
					top:div1Top-(para.remove*para.step)
				},para.speed,function(){
					div1Top = parseInt(div1.css("top"));
				});
				div2.animate({
					top:div2Top-(para.remove*para.step)
				},para.speed,function(){
					div2Top = parseInt(div2.css("top"));
				});
			}
			var prevClick = function(){
				if(div1.is(":animated") || div2.is(":animated")){
					return false;
				}
				
				if(div1Top>=0){
					div2Top = -(totalHeight*2-div1Top)-para.mistake;
					div2.css("top",div2Top+"px");
				}
				if(div2Top>=(-totalHeight)){
					div1Top = div2Top-para.mistake;
					div1.css("top",div1Top+"px");
				}
				div1.animate({
					top:div1Top+(iWidth*para.step)
				},para.speed,function(){
					div1Top = parseInt(div1.css("top"));
				});
				div2.animate({
					top:div2Top+(iWidth*para.step)
				},para.speed,function(){
					div2Top = parseInt(div2.css("top"));
				});
			}
			jQuery(para.btnNext).bind("click",nextClick);
			jQuery(para.btnPrev).bind("click",prevClick);
		}
		else if(to=="stepLeftControl"){
			if(!para.tools && para.errMes){
				alert("显示'个数元素标签'未指配");
				return false;
			}
			if(!para.remove){
				para.remove = iWidth;
			}
			div2.remove();
			div1.children().each(function(i){
				jQuery(this).attr("index",i);
				iconBox.append("<li class='num' index='"+i+"'></li>");
			});
			var icons = jQuery(".num");
			icons.hover(
				function(){
					if(mar){
						clearInterval(mar);
					}
					div1.animate({
						left:-(jQuery(this).attr("index")*Xmove)
					},300,function(){
						div1Left = parseInt(div1.css("left"));
					});
				},
				function(){
					clearInterval(mar);
				}
			);
			
			jQuery(".banner_menuBg").css("opacity","0.6");
			jQuery(".banner_icons").css("margin-left",(484-jQuery(".banner_menu_ul").width()/2-30));
			
			var nextClick = function(){
				if(div1.is(":animated") || div2.is(":animated")){
					return false;
				}
				if(div1Left <= -(totalWidth-iWidth)){
					return false;
				}
				
				div1.animate({
					left:div1Left-(para.remove*para.step)
				},para.speed,function(){
					div1Left = parseInt(div1.css("left"));
				});
				
			}
			var prevClick = function(){
				if(div1.is(":animated") || div2.is(":animated")){
					return false;
				}
				if(div1Left >= 0){
					return false;
				}
				div1.animate({
					left:div1Left+(para.remove*para.step)
				},para.speed,function(){
					div1Left = parseInt(div1.css("left"));
				});
				
			}
			jQuery(para.btnNext).bind("click",nextClick);
			jQuery(para.btnPrev).bind("click",prevClick);
		}
		else{
			if(para.errMes){
				alert("动画未定义");
			}
			return false;
		}
		
	}
};
})(jQuery);