Resizing a JQuery Grid

HTML

<table id="list12"></table>
<div id="pager12"></div>

Now for JavaScript code, write the below code.
<br>&nbsp;jQuery("#list12").jqGrid({ url:'server.php?q=2', datatype: "json", colNames:['Inv No','Date', 'Client', 'Amount','Tax','Total','Notes'], colModel:[ {name:'id',index:'id', width:55}, {name:'invdate',index:'invdate', width:90}, {name:'name',index:'name', width:100}, {name:'amount',index:'amount', width:80, align:"right"}, {name:'tax',index:'tax', width:80, align:"right"}, {name:'total',index:'total', width:80,align:"right"}, {name:'note',index:'note', width:150, sortable:false} ], rowNum:10, rowList:[10,20,30], pager: '#pager12', sortname: 'id', viewrecords: true, sortorder: "desc", multiselect: false, width: 500, height: "100%", caption: "Auto height example" }); jQuery("#list12").jqGrid('navGrid','#pager12',{add:false,edit:false,del:false});