/**
 * ��ӭʹ�� kinslideshow �õ�ƭ������ͼ�����
 *
 * jquery kinslideshow plugin
 * ========================================��˵����========================================================
 * jquery�õ�ƭ���������������������ҳ��ʹ�ûõ�ƭ(����ͼ)ч��������ie6/ie7/ie8/ie9,firefox,chrome,opera��
 * ʹ�ü��䷽�㡢�򵥣������ʽ�����զ���,���嶨����ʽ��������������������μ�demo�ļ�
 * ������img��ǩ���� ����ͼƭ�ŀ�ⱥ͸߶� �է�ֹ����̫�� js��ȡ����ͼƭ��ʵ�����
 * ���п�ⱥ͸߶ȵ�λ�������أ����ò���ʱ����ҫ�ӵ�λ(px)
 * ��kinslideshow 1.2 ������ͬһҳ����ʹ�ö��kinslideshowч����2010-09-15��
 * ��kinslideshow 1.2.1 �޸���ie8����ģʽ�� ���ⲻ�л������⣬ҳ����ie�ں���������磺���σ�qq�����5����ie8�����²��л������⡾2010-11-01�����޸������ñ������͸��������ҳ��̳�͸�������⡣
 * ========================================================================================================
 * @name jquery.kinslideshow.js
 * @version 1.2.1
 * @author mr.kin
 * @date 2010-11-01
 * @email:mr.kin@foxmail.com
 *
 * ����ȡ���°汾kinslideshow���dz���bug���뷢��email�� ��mr.kin@foxmail.com��
 * ��ʵ��ӧ��ʱ����ɾ���˶�ע�͡�
 **/


(function($) {

$.fn.kinslideshow = function(settings){

	  settings = jquery.extend({
		   intervaltime : 5,//���ü��ʱ��ϊ5�� ����λ���롿 [ĭ��ϊ5��]
		   movespeedtime : 400,//�л�һ��ͼƭ����ʱ�䣬����λ�����롿[ĭ��ϊ400����]
		   movestyle:"down",//�л����� ��ѡֵ���� left | right | up | down ��left:�����л�,right:�����л�,up:�����л�,down:�����л� [ĭ�������л�]
		   mouseevent:"mouseclick",//��������ť�¼�,��ѡֵ����mouseclick | mouseover��mouseclick����굥���л���mouseover����껬���л���[ĭ��ϊ�������ť�л�]
		   ishastitlebar:true,//�ƿ���ʾ���ⱳ�� ��ѡֵ���� true | false ��[ĭ��ϊtrue]
		   titlebar:{titlebar_height:32,titlebar_bgcolor:"#000000",titlebar_alpha:0.5},//���ⱳ����ʽ��(ishastitlebar = true ǰ��������)
		   ishastitlefont:true,//�ƿ���ʾ�������� ��ѡֵ���� true | false ��[ĭ��ϊtrue]
		   titlefont:{titlefont_size:12,titlefont_color:"#ffffff",titlefont_family:"verdana",titlefont_weight:"bold"},//����������ʽ��(ishastitlefont = true ǰ��������)
		   ishasbtn:true,//�ƿ���ʾ��ť
		   btn:{btn_bgcolor:"transparent",btn_bghovercolor:"transparent",btn_fontcolor:"transparent",btn_fonthovercolor:"transparent",btn_fontfamily:"verdana",btn_bordercolor:"transparent",btn_borderhovercolor:"transparent",btn_borderwidth:1,btn_bgalpha:1}//��ť��ʽ���ã�(ishasbtn = true ǰ��������)
	  },settings);
	  var titlebar_bak = {titlebar_height:32,titlebar_bgcolor:"#000000",titlebar_alpha:0.5}
	  var titlefont_bak = {titlefont_size:12,titlefont_color:"#ffffff",titlefont_family:"verdana",titlefont_weight:"bold"}
	  var btn_bak = {btn_bgcolor:"#666666",btn_bghovercolor:"#cc0000",btn_fontcolor:"#cccccc",btn_fonthovercolor:"#000000",btn_fontfamily:"verdana",btn_bordercolor:"#999999",btn_borderhovercolor:"#ff0000",btn_borderwidth:1,btn_bgalpha:0.7} 
	  for (var key in titlebar_bak){
		  if(settings.titlebar[key] == undefined){
			  settings.titlebar[key] = titlebar_bak[key];
		  }
	  }	
	  for (var key in titlefont_bak){
		  if(settings.titlefont[key] == undefined){
			  settings.titlefont[key] = titlefont_bak[key];
		  }
	  }
	  for (var key in btn_bak){
		  if(settings.btn[key] == undefined){
			  settings.btn[key] = btn_bak[key];
		  }
	  }	  
	  
	 var ksthis = this;
	 var ksbs = $(ksthis).selector;
	 var kss_datearray = new array();
	 var kss_imgaelength = 0;
	 var kss_size =new array();
	 var kss_changeflag = 0;
	 var kss_intervaltime = settings.intervaltime;
	 var kss_setinterval;
	 var kss_firstmoveflag = true;
	 var gettitlebar_height;
	 
	 if(isnan(kss_intervaltime) || kss_intervaltime <= 1){
			kss_intervaltime = 5;
	 }
	 if(settings.movespeedtime > 500){
		 settings.movespeedtime = 500;
	 }else if(settings.movespeedtime < 100){
		 settings.movespeedtime = 100;
	 }
	 
	 function kss_initialize(){
		 $(ksthis).css({visibility:"hidden"});
		 $(ksbs+" a img").css({border:0});
		 kss_start();
		 kss_mousehover();
	 };
   
     function kss_start(){
		 kss_imgaelength = $(ksbs+" a").length;
		 kss_size.push($(ksbs+" a img").width());
		 kss_size.push($(ksbs+" a img").height());
		 
		$(ksbs+" a img").each(function(i){
			kss_datearray.push($(this).attr("alt"));		
		});
		$(ksbs+" a").wrapall("<div id='kss_content'></div>");
	    $(ksbs).find("#kss_content").clone().attr("id","kss_contentclone").appendto(ksthis);
		kss_settitlebar();
		kss_settitlefont();
		kss_setbtn();
		kss_action();
		kss_btnevent(settings.mouseevent);
		$(ksthis).css({visibility:"visible"});
	 };
	 function kss_settitlebar(){
		$(ksthis).css({width:kss_size[0],height:kss_size[1],overflow:"hidden",position:"relative"});
		$(ksthis).append("<div class='kss_titlebar'></div>");
		gettitlebar_height = settings.titlebar.titlebar_height;
		
		if(isnan(gettitlebar_height)){
			gettitlebar_height = 40;
		}else if(gettitlebar_height < 25){
			gettitlebar_height = 25;
		}
		
		$(ksbs+" .kss_titlebar").css({height:gettitlebar_height,width:980,position:"absolute",bottom:0,left:10})
		 if(settings.ishastitlebar){
		 		$(ksbs+" .kss_titlebar").css({background:settings.titlebar.titlebar_bgcolor,opacity:settings.titlebar.titlebar_alpha})	 
		 }
	 };
	 function kss_settitlefont(){
		 if(settings.ishastitlefont){
			$(ksthis).append("<div class='kss_titlebox'><h2 class='title' style='margin:0px 0px 0px 0px;padding:0;'></h2></div>");
			$(ksbs+" .kss_titlebox").css({height:gettitlebar_height,width:"100%",position:"absolute",bottom:-6,left:15})
			$(ksbs+" .kss_titlebox h2").css({fontsize:settings.titlefont.titlefont_size,color:settings.titlefont.titlefont_color,fontfamily:settings.titlefont.titlefont_family,fontweight:settings.titlefont.titlefont_weight});
			settiltfontshow(0);
		 };
		 
	 };
	 function kss_setbtn(){
		 if(settings.btn.btn_borderwidth > 2){settings.btn.btn_borderwidth = 2}
		 if(settings.btn.btn_borderwidth < 0 || isnan(settings.btn.btn_borderwidth)){settings.btn.btn_borderwidth = 0}
		 if(settings.ishasbtn && kss_imgaelength >= 2){
			 $(ksthis).append("<div class='kss_btnbox' style='position:absolute;right:25px;bottom:10px;z-index:10'></div>");
			 var kss_btnlist = "";
			 for(i=1;i<=kss_imgaelength;i++){
					kss_btnlist+="<li>&nbsp;</li>";
			 }
			 kss_btnlist = "<ul id='btnlistid' style='margin:0;padding:0; overflow:hidden'>"+kss_btnlist+"</ul>";
			 $(ksbs+" .kss_btnbox").append(kss_btnlist);
			 $(ksbs+" .kss_btnbox #btnlistid li").css({liststyle:"none",float:"left",width:10,height:10,background:"url('/cn/images/i2.png') no-repeat scroll center center "+settings.btn.btn_bgcolor, borderwidth:settings.btn.btn_borderwidth,bordercolor:settings.btn.btn_bordercolor,borderstyle:"none",textalign:"center",cursor:"pointer",marginleft:5,fontsize:0,fontfamily:settings.btn.btn_fontfamily,lineheight:"8px",color:settings.btn.btn_fontcolor});
			 $(ksbs+" #btnlistid li:eq(0)").css({background:"url('/cn/images/i1.png') no-repeat scroll center center  "+settings.btn.btn_bghovercolor,bordercolor:settings.btn.btn_borderhovercolor,color:settings.btn.btn_fonthovercolor});
		 };
	 };
	 function kss_action(){
		switch(settings.movestyle){
			case "left":  kss_moveleft(); break;
			case "right": kss_moveright();break;
			case "up":    kss_moveup();   break;
			case "down":  kss_movedown(); break;
			default:      settings.movestyle = "left"; kss_moveleft();
		}	 
	 };
	 function kss_moveleft(){
		$(ksbs+" div:lt(2)").wrapall("<div id='kss_movebox' ></div>");
		$(ksbs).find("#kss_movebox").css({width:kss_size[0],height:kss_size[1],overflow:"hidden",position:"relative"});
		$(ksbs).find("#kss_content").css({float:"left"});
		$(ksbs).find("#kss_contentclone").css({float:"left"});
		$(ksbs+" #kss_movebox div").wrapall("<div id='kss_xposbox'></div>");
		$(ksbs).find("#kss_xposbox").css({float:"left",width:"2000%"});
		
		kss_setinterval = setinterval(function(){kss_move(settings.movestyle)},kss_intervaltime*1000+settings.movespeedtime);
	 };
	 function kss_moveright(){
		$(ksbs+" div:lt(2)").wrapall("<div id='kss_movebox'></div>");
		$(ksbs).find("#kss_movebox").css({width:kss_size[0],height:kss_size[1],overflow:"hidden",position:"relative"});
		$(ksbs).find("#kss_content").css({float:"left"});
		$(ksbs).find("#kss_contentclone").css({float:"left"});
		$(ksbs+" #kss_movebox div").wrapall("<div id='kss_xposbox'></div>");
		$(ksbs).find("#kss_xposbox").css({float:"left",width:"2000%"});
		$(ksbs).find("#kss_contentclone").html("");
		$(ksbs+" #kss_content a").wrap("<span></span>")
		$(ksbs+" #kss_content a").each(function(i){
			$(ksbs).find("#kss_contentclone").prepend($(ksbs+" #kss_content span:eq("+i+")").html());
		})
		
		$(ksbs).find("#kss_content").html($(ksbs).find("#kss_contentclone").html());
		var kss_offsetleft = (kss_imgaelength-1)*kss_size[0];
		$(ksbs).find("#kss_movebox").scrollleft(kss_offsetleft);
		kss_setinterval = setinterval(function(){kss_move(settings.movestyle)},kss_intervaltime*1000+settings.movespeedtime);
	 };	 
	 function kss_moveup(){
		$(ksbs+" div:lt(2)").wrapall("<div id='kss_movebox'></div>");
		$(ksbs).find("#kss_movebox").css({width:kss_size[0],height:kss_size[1],overflow:"hidden",position:"relative"});
		$(ksbs).find("#kss_movebox").animate({scrolltop: 0}, 1);
		kss_setinterval = setinterval(function(){kss_move(settings.movestyle)},kss_intervaltime*1000+settings.movespeedtime);
		
	 };	 
	 
	 function kss_movedown(){
		$(ksbs+" div:lt(2)").wrapall("<div id='kss_movebox'></div>");
		$(ksbs).find("#kss_movebox").css({width:kss_size[0],height:kss_size[1],overflow:"hidden",position:"relative"});
		$(ksbs).find("#kss_contentclone").html("");
		$(ksbs+" #kss_content a").wrap("<span></span>")
		$(ksbs+" #kss_content a").each(function(i){
			$(ksbs).find("#kss_contentclone").prepend($(ksbs+" #kss_content span:eq("+i+")").html());
		})
		$(ksbs).find("#kss_content").html($(ksbs).find("#kss_contentclone").html());
		
		var kss_offsettop = (kss_imgaelength-1)*kss_size[1];
		$(ksbs).find("#kss_movebox").animate({scrolltop: kss_offsettop}, 1);
		kss_setinterval = setinterval(function(){kss_move(settings.movestyle)},kss_intervaltime*1000+settings.movespeedtime);
	 };
	function kss_move(style){
			
			switch(style){
				case "left":
					if(kss_changeflag >= kss_imgaelength){
						kss_changeflag = 0;
						$(ksbs).find("#kss_movebox").scrollleft(0);
						$(ksbs).find("#kss_movebox").animate({scrollleft:kss_size[0]}, settings.movespeedtime);
					}else{
						sp =(kss_changeflag+1)*kss_size[0];
						if ($(ksbs).find("#kss_movebox").is(':animated')){ 
							$(ksbs).find("#kss_movebox").stop();
							$(ksbs).find("#kss_movebox").animate({scrollleft: sp}, settings.movespeedtime);
						}else{
							$(ksbs).find("#kss_movebox").animate({scrollleft: sp}, settings.movespeedtime);
						}
					}
					settiltfontshow(kss_changeflag+1);
					break;
				case "right":
					var kss_offsetleft = (kss_imgaelength-1)*kss_size[0];
					if(kss_changeflag >= kss_imgaelength){
						kss_changeflag = 0;
						$(ksbs).find("#kss_movebox").scrollleft(kss_offsetleft+kss_size[0]);
						$(ksbs).find("#kss_movebox").animate({scrollleft:kss_offsetleft}, settings.movespeedtime);
					}else{
						if(kss_firstmoveflag){
							kss_changeflag++;
							kss_firstmoveflag = false;
						}
						sp =kss_offsetleft-(kss_changeflag*kss_size[0]);
						if ($(ksbs).find("#kss_movebox").is(':animated')){ 
							$(ksbs).find("#kss_movebox").stop();
							$(ksbs).find("#kss_movebox").animate({scrollleft: sp}, settings.movespeedtime);
						}else{
							$(ksbs).find("#kss_movebox").animate({scrollleft: sp}, settings.movespeedtime);
						}
					}
					settiltfontshow(kss_changeflag);
					break;
				case "up":
					if(kss_changeflag >= kss_imgaelength){
						kss_changeflag = 0;
						$(ksbs).find("#kss_movebox").scrolltop(0);
						$(ksbs).find("#kss_movebox").animate({scrolltop:kss_size[1]}, settings.movespeedtime);
					}else{
						sp =(kss_changeflag+1)*kss_size[1];
						if ($(ksbs).find("#kss_movebox").is(':animated')){ 
							$(ksbs).find("#kss_movebox").stop();
							$(ksbs).find("#kss_movebox").animate({scrolltop: sp}, settings.movespeedtime);
						}else{
							$(ksbs).find("#kss_movebox").animate({scrolltop: sp}, settings.movespeedtime);
						}
					}
					settiltfontshow(kss_changeflag+1);
					break;
				case "down":
					var kss_offsetleft = (kss_imgaelength-1)*kss_size[1];
					if(kss_changeflag >= kss_imgaelength){
						kss_changeflag = 0;
						$(ksbs).find("#kss_movebox").scrolltop(kss_offsetleft+kss_size[1]);
						$(ksbs).find("#kss_movebox").animate({scrolltop:kss_offsetleft}, settings.movespeedtime);
					}else{
						if(kss_firstmoveflag){
							kss_changeflag++;
							kss_firstmoveflag = false;
						}
						sp =kss_offsetleft-(kss_changeflag*kss_size[1]);
						if ($(ksbs).find("#kss_movebox").is(':animated')){ 
							$(ksbs).find("#kss_movebox").stop();
							$(ksbs).find("#kss_movebox").animate({scrolltop: sp}, settings.movespeedtime);
						}else{
							$(ksbs).find("#kss_movebox").animate({scrolltop: sp}, settings.movespeedtime);
						}
					}
					settiltfontshow(kss_changeflag);
					break;
			}
			
			kss_changeflag++;
	}	 
	 
	 function settiltfontshow(index){
		 if(index == kss_imgaelength){index = 0};
		 if(settings.ishastitlefont){
			$(ksbs+" .kss_titlebox h2.title").html(kss_datearray[index]);
		 };
		$(ksbs+" #btnlistid li").each(function(i){
			if(i == index){
				$(this).css({background:"url('/cn/images/i1.png') no-repeat scroll center center  "+settings.btn.btn_bghovercolor,bordercolor:settings.btn.btn_borderhovercolor,color:settings.btn.btn_fonthovercolor});						
			}else{
				$(this).css({background:"url('/cn/images/i2.png') no-repeat scroll center center  "+settings.btn.btn_bgcolor,bordercolor:settings.btn.btn_bordercolor,color:settings.btn.btn_fontcolor});						
			}
		 })		 
	 };
	
	function kss_btnevent(event){
		switch(event){
			case "mouseover" : kss_btnmouseover(); break;
			case "mouseclick" : kss_btnmouseclick(); break;			
			default : kss_btnmouseclick();
		}
	};
	
	function kss_btnmouseover(){
		$(ksbs+" #btnlistid li").mouseover(function(){
			var curliindex = $(ksbs+" #btnlistid li").index($(this)); 
	  		switch(settings.movestyle){
				case  "left" :
					kss_changeflag = curliindex-1; break;
				case  "right" :
					if(kss_firstmoveflag){
						kss_changeflag = curliindex-1; break;
					}else{
						kss_changeflag = curliindex; break;
					}
				case  "up" :
					kss_changeflag = curliindex-1; break;
				case  "down" :
					if(kss_firstmoveflag){
						kss_changeflag = curliindex-1; break;
					}else{
						kss_changeflag = curliindex; break;
					}
			}
			kss_move(settings.movestyle);
			$(ksbs+" #btnlistid li").each(function(i){
				if(i ==curliindex){
					$(this).css({background:settings.btn.btn_bghovercolor,bordercolor:settings.btn.btn_borderhovercolor,color:settings.btn.btn_fonthovercolor});						
				}else{
					$(this).css({background:settings.btn.btn_bgcolor,bordercolor:settings.btn.btn_bordercolor,color:settings.btn.btn_fontcolor});						
				}
			})
		})
			
	};
	function kss_btnmouseclick(){
		$(ksbs+" #btnlistid li").click(function(){
			var curliindex = $(ksbs+" #btnlistid li").index($(this)); 
			switch(settings.movestyle){
				case  "left" :
					kss_changeflag = curliindex-1; break;
				case  "right" :
					if(kss_firstmoveflag){
						kss_changeflag = curliindex-1; break;
					}else{
						kss_changeflag = curliindex; break;
					}
				case  "up" :
					kss_changeflag = curliindex-1; break;
				case  "down" :
					if(kss_firstmoveflag){
						kss_changeflag = curliindex-1; break;
					}else{
						kss_changeflag = curliindex; break;
					}					
				
			};
			kss_move(settings.movestyle);
			$(ksbs+" #btnlistid li").each(function(i){
				if(i ==curliindex){
					$(this).css({background:"url('/cn/images/i1.png') no-repeat scroll center center  "+settings.btn.btn_bghovercolor,bordercolor:settings.btn.btn_borderhovercolor,color:settings.btn.btn_fonthovercolor});						
				}else{
					$(this).css({background:"url('/cn/images/i2.png') no-repeat scroll center center  "+settings.btn.btn_bgcolor,bordercolor:settings.btn.btn_bordercolor,color:settings.btn.btn_fontcolor});						
				}
			})
		})
			
	};	
	function kss_mousehover(){
			$(ksbs+" #btnlistid li").mouseover(function(){
				clearinterval(kss_setinterval); 
			})
			$(ksbs+" #btnlistid li").mouseout(function(){
				kss_setinterval = setinterval(function(){kss_move(settings.movestyle)},kss_intervaltime*1000+settings.movespeedtime);
			})
	};
	
	return kss_initialize();
};
 })(jquery);