fnDestroy(); not wokring on ie ??

Hello, well i m using datatables with a server processing.
on my page i have a button, when i click on it the div with datatables refrech and re load a datatables, but he is working on firefox, but on ie 9 the datas are here, but the datables not working :

i m using this code to destroy the datatables and re populate it :

$(function(){
 		$('#source').change(function() {
        varDateDebut = jQuery("#dateDebut").val();
		varDateFin = jQuery("#dateFin").val();
		varPoint1 = jQuery("#Point1").val();
		varPoint2 = jQuery("#Point2").val();
    	console.log("varPoint1 = ", varPoint1 );
    	console.log("varDateDebut = ", varDateDebut);
    	console.log("varDateFin = ", varDateFin);
    	console.log("varPoint2 = ", varPoint2 );
        	
            $.ajax({
                type: "POST",
                url: "server_processing.php",
                data: 'dateDebut='+varDateDebut+'&dateFin='+varDateFin+'&point1r='+varPoint1+'&point2='+varPoint2,
                success:function(data){
            
        	
                    //destruction de l'ancien datatbles
                    oTable.fnClearTable();
                    oTable.fnDestroy();
                    
					
			//création du nouveau datatables
			$("#example").html(data);
		 oTable= $('#example').dataTable( {
                
        "sDom": 'T<"clear">lfrtip',
		"sPaginationType": "full_numbers",
		"oLanguage": { "sUrl": "js/dataTables.fr.txt" },
		"oTableTools": {
			"sSwfPath": "swf/copy_csv_xls_pdf.swf"
		},
        
        "aLengthMenu": [
            [25, 50, 100, 200, -1],
            [25, 50, 100, 200, "All"]]
        
    } );
                }
            });
        });
    });

 

can u help me please to do working on ie.

thanks for all.