/*按比例生成缩略图*/
function DrawImage(ImgD,W,H){ 
  var flag=false; 
  var image=new Image(); 
  image.src=ImgD.src; 
  if(image.width>0 && image.height>0){ 
    flag=true; 
    if(image.width/image.height>= W/H){ 
      if(image.width>W){
        ImgD.width=W; 
        ImgD.height=(image.height*H)/image.width; 
      }
	  else{ 
        ImgD.width=image.width;
        ImgD.height=image.height; 
      } 
      ImgD.alt= ""; 
    } 
    else{ 
      if(image.height>H){
        ImgD.height=H; 
        ImgD.width=(image.width*W)/image.height; 
      }
	  else{ 
        ImgD.width=image.width;
        ImgD.height=image.height; 
      } 
      ImgD.alt=""; 
    } 
  }
}
                function Quickpick()
                {
                        var ball
                        
                        for( ball = 0; ball < 4; ball++)
                        {
                                this[ball] = parseInt((Math.random() * Math.pow(10,16)) % 4) + 1;
                                for(var list = 0; list < ball; list++)
                                {
                                        if(this[list] == this[ball])
                                        {       
                                                list = ball;
                                                ball--;
                                        }
                                }
                        }
                        this[ball] = parseInt((Math.random() * Math.pow(10,16)) % 4) + 1;
                        return this;
                }

        

                function ad_style3()
                {
                var idx;
                var powerball = new Array(1);
                
                powerball = this.Quickpick();
                for(idx = 0; idx < 1; idx++)
                document.write("<div style='padding-left:6px;'><img src='i/leftad00"+powerball[idx]+ ".jpg' style='border:2px solid #ff0000;'></div>")
                }