微件:首页轮播js

   <script>

var btn=document.getElementsByName("n1");

var time=setInterval("clock()",7000); 
  var int=setInterval("change()",7000); 

   var gdi=1; 
   function clock(){ 
       gdi=gdi+1; 
       if(gdi==1 + ){ 
           gdi=1; 
       } 
   } 
   function change(){ 
       var a=document.getElementById("transImageBox"); 
       a.style.marginLeft=(1-gdi)*(100 / )+"%"; 

for(var k=0;k<btn.length;k++){

           if(btn[k].className="on"){
                  btn[k].className="";
            }

} btn[gdi-1].className="on";

}
   function prevv()

{

 gdi=gdi-1; 
       if(gdi==0){ 
           gdi=; 
       } 

clearInterval(int); clearInterval(time); time=setInterval("clock()",7000); int=setInterval("change()",7000); change(); } function nextt() {

 gdi=gdi+1; 
       if(gdi==1 + ){ 
           gdi=1; 
       } 

clearInterval(int); clearInterval(time); time=setInterval("clock()",7000); int=setInterval("change()",7000); change(); } function jump(j){ gdi=j-1; clock(); clearInterval(int); clearInterval(time); time=setInterval("clock()",7000); int=setInterval("change()",7000); change(); } </script>