/*****************幻灯片切换1.0**************/
var dyfocuspic=function(id){
		chen1=this;
		chen1.n=0;
		chen1.ctime=3500;
		chen1.$=function(e){return document.getElementById(e)};
		chen1.$arr=function(rootid,subarr){return chen1.$(rootid).getElementsByTagName(subarr)};
		chen1.addmenu=function(imgid,tid,numid){chen1.imgid=imgid;chen1.tid=tid,chen1.numid=numid;};
		chen1.setfocus=function(id){
			var fimg=chen1.$arr(chen1.imgid,"li");
			var fti=chen1.$arr(chen1.tid,"li");
			var fnum=chen1.$arr(chen1.numid,"li");
			for(var i=0;i<fimg.length;i++){
				if(i==id){
					fimg[i].style.display="";
					fti[i].style.display="";
					fnum[i].className="selected";
				}
				else{
					fimg[i].style.display="none";
					fti[i].style.display="none";
					fnum[i].className="";
				}
			}
			chen1.n++;
			if(chen1.n>=fimg.length) chen1.n=0;
		};
		
		chen1.changepic=function(){
			chen1.setfocus(chen1.n);
			chen1.clock=setTimeout(function(){chen1.changepic()},chen1.ctime);
			dycpic.dongzuo();
		};

		chen1.dongzuo=function(){
		var f=chen1.$arr(chen1.numid,"li");
			for(j=0;j<f.length;j++){
					f[j].f=j;
					f[j].onmouseover=function(){
						clearTimeout(chen1.clock);
						chen1.n=this.f;
						(function(){chen1.setfocus(chen1.n)})();				
						}
					f[j].onmouseout=function(){
						f.length==(parseInt(this.f)+1)?chen1.n=0:chen1.n=parseInt(this.f)+1;
						chen1.clock=setTimeout(function(){chen1.changepic()},chen1.ctime);    
						}
			}
		};
	}