/*-----------------------------------------------------------------------------------------/
 * jquery plugin - slide show(or, switch tab) written by kevin sheep(http://www.ks-pe.com)
 * based on jquery 1.2.6+
 * jquery婊戝姩鍒囨崲鎻掍欢 ver 1.2.0
 *
 * defaultindex 	- 榛樿閫変腑鐨勬爣绛剧储寮曪紝浠?寮€濮?
 * titonclassname	- 鏍囩閫変腑鏃剁殑鏍峰紡
 * titcell			- 鑷畾涔夋爣棰樻爣绛撅紝鏀寔閫夋嫨绗?
 * maincell			- 鑷畾涔夋爣棰樻爣绛撅紝鏀寔閫夋嫨绗?
 * delaytime		- 寤惰繜瑙﹀彂鏃堕棿. 褰撹繖涓椂闂村皬浜庡垏鎹㈠姩鐢绘晥鏋滄椂闂存椂, 鍔ㄧ敾灏嗚绂佺敤
 * intertime		- 鑷姩鍒囨崲鏃堕棿. 褰撹繖涓椂闂村ぇ浜?鏃? 鏍囩灏嗗畾鏃惰嚜鍔ㄥ垏鎹?
 * trigger			- 婊戝姩瑙﹀彂鏂瑰紡. 榛樿涓篶lick, 鍙€夋嫨mouseover
 * effect			- 鍒囨崲鍔ㄧ敾. 榛樿涓嶄娇鐢ㄥ姩鐢? 鐩墠浠呮彁渚沠ade(娣″嚭), slide(鍚戜笅灞曞紑)涓ょ
 * omitlinks		- 鏄惁蹇界暐甯﹂摼鎺ユ爣绛撅紝榛樿涓哄惁
 * debug			- 璋冭瘯妯″紡. 榛樿鍏抽棴
/*----------------------------------------------------------------------------------------*/

jquery.fn.switchtab = function(settings) {
	settings = jquery.extend({//鍙厤缃弬鏁?
		defaultindex: 0,
		titonclassname: "on",
		titcell: "dt span",
		maincell: "dd",
		delaytime: 250,
		intertime: 0,
		trigger: "click",
		effect: "",
		omitlinks: false,
		debug: "",
		ismap: false
	},
	settings,
	{//鎻掍欢淇℃伅
		version: 120
	});

	this.each(function() {
		var st;
		var curtagindex = -1;
		var obj = jquery(this);
		if(settings.omitlinks){
			settings.titcell = settings.titcell + "[href^='#']";
		}
		var otit = obj.find(settings.titcell);
		var otit = obj.find("dt").children("a");
		//var otit = $(".tab dt").children("a");
		var omain = obj.find(settings.maincell);
		var cellcount = otit.length;//鍙垏鎹釜鏁?
		var showstcon = function (oi){
			if(oi != curtagindex || settings.ismap){
				otit.eq(curtagindex).removeclass(settings.titonclassname);
				omain.hide();
				obj.find(settings.titcell + ":eq(" + oi + ")").addclass(settings.titonclassname);
				if(settings.delaytime <250 && settings.effect != "")settings.effect = "";
				if(settings.effect == "fade"){
					obj.find(settings.maincell + ":eq(" + oi + ")").fadein({queue: false, duration: 250});
				}else if(settings.effect == "slide"){
					obj.find(settings.maincell + ":eq(" + oi + ")").slidedown({queue: false, duration: 250});
				}else{
					obj.find(settings.maincell + ":eq(" + oi + ")").show();
				}
				curtagindex = oi;
			}
		};
		
		var shownext = function (){
			otit.eq(curtagindex).removeclass(settings.titonclassname);
			omain.hide();
			if(++curtagindex >= cellcount)curtagindex = 0;
			otit.eq(curtagindex).addclass(settings.titonclassname);
			omain.eq(curtagindex).show();
			//showstcon(curtagindex);
		};
		
		//鏍规嵁defaultindex鍒濆鍖?
		if(!settings.ismap)
		{
		showstcon(settings.defaultindex);
		}

		//
		if(settings.intertime > 0){
			var sinterval = setinterval(function(){
				shownext();
			}, settings.intertime);
		}

		//澶勭悊浜や簰浜嬩欢
		otit.each(function(i, ele){
			if(settings.trigger=="click"){
				jquery(ele).click(function(){
					showstcon(i);
					return false;//鑻ユ湁閾炬帴鑰岄€夋嫨浜哻lick妯″紡, 閾炬帴涓嶈捣浣滅敤
				});
			}else if(settings.delaytime > 0){
				jquery(ele).hover(function(){
					st = settimeout(function(){//寤舵椂瑙﹀彂
						showstcon(i);
						st = null;
					}, settings.delaytime);
				},function(){
					if(st!=null)cleartimeout(st);
				});
			}else{
				jquery(ele).mouseover(function(){
					showstcon(i);
				});
			}
		});
	});
	if(settings.debug!="")alert(settings[settings.debug]);
	return this;
};