javascript 幻灯片效果 代码问题

$(function(){
  $.ajaxSetup({ 
async: false 
});  
var url="/img.do?method=listone";
         $.post(url,function(data){
           flash("flashbox",data);
           });
          
});
           
function flash(id,path){
   var box=document.getElementById(id);
            linkarr = new Array();
            picarr = new Array();
            textarr = new Array();
            var swf_width=764;
           
            var swf_height=201;
            var files=path;
            var links = "";
            var texts = "";
            for(i=1;i<picarr.length;i++){
              if(files=="") files = picarr[i];
              else files += "|"+picarr[i];
            }
            for(i=1;i<linkarr.length;i++){
              if(links=="") links = linkarr[i];
              else links += "|"+linkarr[i];
            }
            for(i=1;i<textarr.length;i++){
              if(texts=="") texts = textarr[i];
              else texts += "|"+textarr[i];
            }
          
  box.innerHTML+="<object classid=\'clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\' codebase=\'http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0\' width=\'"+ swf_width +"\' height=\'"+ swf_height +"\'>";
             box.innerHTML+="<param name=\'movie\' value=\'js/indexpic.swf\'><param name=\'quality\' value=\'high\'>";
             box.innerHTML+="<param name=\'menu\' value=\'false\'><param name=wmode value=\'opaque\'>";
             box.innerHTML+="<param name=\'FlashVars\' value=\'bcastr_file="+files+"&bcastr_link="+links+"&bcastr_title="+texts+"\'>";
             box.innerHTML+="<embed src=\'js/indexpic.swf\' wmode=\'opaque\' FlashVars=\'bcastr_file="+files+"&menu=\'false\' quality=\'high\' width=\'"+ swf_width +"\' height=\'"+ swf_height +"\' type=\'application/x-shockwave-flash\' pluginspage=\'http://www.macromedia.com/go/getflashplayer\' />"; 
 box.innerHTML+="</object>";
            
            alert(box.innerHTML); }这段代码出错 就是多出来了空白 是什么问题呢 大家给我看看