jQuery Grid Plugin - jqGrid

Hi Tony ,

thank you very much for this great plugin , it's realy helped me too much and saved a lot of time ,

there is a loading problem on IE when using navgrid function, it's working fine on FF3 , Chrome expet IE ,

what i can't understand that the demos is working even on IE , this makes me mad ,here is an image showning the error

and the code is :

<script type="text/javascript">

var options = {        
       url:'listsh',
    datatype: "xml",
    mtype: 'POST',
       colNames:['Id','List Name','Members'],
  colModel :[  
      {name:'list_id', index:'list_id', width:50,sortable:true,align:'center'},  
      {name:'list_name',index:'list_name', width:90,editable:true,editoptions:{size:25},editrules:{required:true},edittype:"textarea",sorttype:"text",sortable:true,align:'center'},
      {name:'sus_sum', index:'sus_sum', width:50,align:'center',search:false}     
       ],
   rowNum:10,
       rowList:[10,20,30],
       pager: jQuery("#pcsvalid"),
       sortname: 'list_id',
    viewrecords: true,
    sortorder: "desc",
    caption:"Mailing Lists",
    editurl:'listshe/t/T1/k/list_id',
    height:300,
    width:500
    };

jQuery("#csvalid").jqGrid(options);
jQuery("#csvalid").navGrid('#pcsvalid');

</script>