title: showmodal dialog suddenly giving undefined in chrome
body: <p>I have a the following script as below.</p>
  
  <pre><code>$('.t1 span.droppable').each(function(){
                  //alert("DROP");
                  //$(this).droppable();
          $('.droppable').droppable({
      drop: function(event, ui) {
  
  
      var fromd = 0;
      var tod = 0;
      var url1 = "insertsw.php?fromd=" + fromd + "&amp;tod=" + tod;
      var r = "";
      objArgs = new Array(tpFrom, sFrom, nsdFrom, tpTo,sTo, dTo);
      r=showModalDialog(url1,objArgs,"dialogWidth: 450; dialogHeight: 300; resizable: yes");
  
     if(r==null)
                  {
                      popUpOpen=1;
                  }
                  else
                  {
                      popUpOpen=1;
                  //alert("R : "+r);
                  var n=r.split("#");
                  }
     }
   }
  }
  </code></pre>
  
  <p>It have been working for almost 3 years on chrome and suddenly now it shows undefined. But works fine on firefox perfectly as usual. What changes have chrome done for me to adapt to it ? </p>