Did not get Resized

Hi,
i have a problem in table size.When i resize the browser the table displayed in standard size.if i reload page it table fit to the page.
How to i resolve it? help me

my Initial code like this


oTable = $('#NatureDisplay_table').dataTable( {
"bJQueryUI": true,
"bDestroy":true,
"bRetrieve": false ,
"oLanguage": {
"sSearch": "Search all columns:"
},
"bProcessing": true,
"sScrollY": x,
"bScrollCollapse": true,
"sPaginationType": "full_numbers"
} );

table header also fixed..