Jquery 实现标签云 标签数据从Json导入

function gogo(objID){ 
      var obox=document.getElementById(objID);     
      var obj=obox.getElementsByTagName("a"); 
      //随机方法 
      function rand(num){ 
       return parseInt(Math.random()*num+1); 
      } 
      //随机颜色值 
      function randomcolor(){ 
        var str=Math.ceil(Math.random()*16777215).toString(16); 
        if(str.length<6){ 
          str="0"+str; 
        } 
        return str; 
      } 
      //循环 
      for( len=obj.length,i=len;i--;){ 
        obj[i].className="color"+rand(5); 
        obj[i].style.zIndex=rand(5); 
        obj[i].style.fontSize=rand(12)+12+"px"; 
       // obj[i].style.background="#"+randomcolor(); 
        obj[i].style.color="#"+randomcolor(); 
        obj[i].onmouseover=function(){ 
          this.style.background="#"+randomcolor(); 
        } 
        obj[i].onmouseout=function(){ 
          this.style.background="none"; 
        } 
      } 
    } 






function loadgg(objID)
{

    var obj = $("#"+objID); 
    
      var dddd = Math.floor(Math.random()*3+1);             
               
               var eeee="";
               switch(dddd)
               {
               case 1:
               eeee = "qun";
               break;
               
               case 2:
               eeee = "waitao";
                break;
                
               case 3:
               eeee = "xie";
                break;  
               }                   
    
               
    $(obj).empty();
               
   var aa = "../644/data/data2.json";
   var bb = [];

    $.get(aa,function(data){
     
       
        bb = eval('data.'+eeee);
     
      $.each(bb,function(){ 
          
      $(obj).append(this.link);
      gogo(objID);
    
      })
    
    });



}