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/*
舌签构造函数
ShowClass(ID[,eventType][,defaultID][,openClassName][,closeClassName])
*/
function ShowClass(ID,eventType,defaultID,openClassName,closeClassName){this.version="1.1";this.author="mengjia";this.parentObj=ShowClass.$(ID);if(this.parentObj==null){throw new Error("ShowClass(ID)参数错误:ID 对像存在!")};if(!ShowClass.childs){ShowClass.childs=[]};this.ID=ShowClass.childs.length;ShowClass.childs.push(this);this.lock=false;this.label=[];this.defaultID=defaultID==null?0:defaultID;this.selectedIndex=this.defaultID;this.openClassName=openClassName==null?"selected":openClassName;this.closeClassName=closeClassName==null?"":closeClassName;this.mouseIn=false;var mouseInFunc=Function("ShowClass.childs["+this.ID+"].mouseIn = true"),mouseOutFunc=Function("ShowClass.childs["+this.ID+"].mouseIn = false");if(this.parentObj.attachEvent){this.parentObj.attachEvent("onmouseover",mouseInFunc)}else{this.parentObj.addEventListener("mouseover",mouseInFunc,false)};if(this.parentObj.attachEvent){this.parentObj.attachEvent("onmouseout",mouseOutFunc)}else{this.parentObj.addEventListener("mouseout",mouseOutFunc,false)};if(typeof(eventType)!="string"){eventType="onmousedown"};eventType=eventType.toLowerCase();switch(eventType){case "onmouseover":this.eventType="mouseover";break;case "onmouseout":this.eventType="mouseout";break;case "onclick":this.eventType="click";break;case "onmouseup":this.eventType="mouseup";break;default:this.eventType="mousedown"};this.addLabel=function(labelID,contID,parentBg,springEvent,blurEvent){if(ShowClass.$(labelID)==null){throw new Error("addLabel(labelID)参数错误:labelID 对像存在!")};var TempID=this.label.length;if(parentBg==""){parentBg=null};this.label.push([labelID,contID,parentBg,springEvent,blurEvent]);var tempFunc=Function('ShowClass.childs['+this.ID+'].select('+TempID+')');if(ShowClass.$(labelID).attachEvent){ShowClass.$(labelID).attachEvent("on"+this.eventType,tempFunc)}else{ShowClass.$(labelID).addEventListener(this.eventType,tempFunc,false)};if(TempID==this.defaultID){ShowClass.$(labelID).className=this.openClassName;if(ShowClass.$(contID)){ShowClass.$(contID).style.display=""};if(parentBg!=null){this.parentObj.style.background=parentBg};if(springEvent!=null){eval(springEvent)}}else{ShowClass.$(labelID).className=this.closeClassName;if(ShowClass.$(contID)){ShowClass.$(contID).style.display="none"}};if(ShowClass.$(contID)){if(ShowClass.$(contID).attachEvent){ShowClass.$(contID).attachEvent("onmouseover",mouseInFunc)}else{ShowClass.$(contID).addEventListener("mouseover",mouseInFunc,false)};if(ShowClass.$(contID).attachEvent){ShowClass.$(contID).attachEvent("onmouseout",mouseOutFunc)}else{ShowClass.$(contID).addEventListener("mouseout",mouseOutFunc,false)}}};this.select=function(num,force){if(typeof(num)!="number"){throw new Error("select(num)参数错误:num 不是 number 类型!")};if(force!=true&&this.selectedIndex==num){return};var i;for(i=0;i<this.label.length;i++){if(i==num){ShowClass.$(this.label[i][0]).className=this.openClassName;if(ShowClass.$(this.label[i][1])){ShowClass.$(this.label[i][1]).style.display=""};if(this.label[i][2]!=null){this.parentObj.style.background=this.label[i][2]};if(this.label[i][3]!=null){eval(this.label[i][3])}}else if(this.selectedIndex==i||force==true){ShowClass.$(this.label[i][0]).className=this.closeClassName;if(ShowClass.$(this.label[i][1])){ShowClass.$(this.label[i][1]).style.display="none"};if(this.label[i][4]!=null){eval(this.label[i][4])}}};this.selectedIndex=num};this.random=function(){if(arguments.length!=this.label.length){throw new Error("random()参数错误:参数数量与标签数量不符!")};var sum=0,i;for(i=0;i<arguments.length;i++){sum+=arguments[i]};var randomNum=Math.random(),percent=0;for(i=0;i<arguments.length;i++){percent+=arguments[i]/sum;if(randomNum<percent){this.select(i);break}}};this.autoPlay=false;var autoPlayTimeObj=null;this.spaceTime=5000;this.play=function(spTime){if(typeof(spTime)=="number"){this.spaceTime=spTime};clearInterval(autoPlayTimeObj);autoPlayTimeObj=setInterval("ShowClass.childs["+this.ID+"].nextLabel()",this.spaceTime);this.autoPlay=true};this.nextLabel=function(){if(this.autoPlay==false||this.mouseIn==true){return};var index=this.selectedIndex;index++;if(index>=this.label.length){index=0};this.select(index)};this.stop=function(){clearInterval(autoPlayTimeObj);this.autoPlay=false}};ShowClass.$=function(objName){if(document.getElementById){return eval('document.getElementById("'+objName+'")')}else{return eval('document.all.'+objName)}}

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