title: jquery animate is not working in IE 7
body: <p>This is my code and it's working in Firefox , Safari and Chrome. However, can't work in IE 7. How to fix it ?</p>
  
  <pre><code>jQuery(".jqbox_innerhtml").animate({
          "width":"400px",
          "height":"200px",
          "margin-top":"300px",
          "margin-left":"200px",
          "opacity":1,
          }, 1000,function(){
                                              jQuery(".jqbox_close").fadeIn("fast");
          alert("Done");
      });
  </code></pre>