fnRender to center the text

kulkarni_ash

I have am using following code to build a table, how do i center the link created by fnRender function
[code]
{ "mDataProp": "iscitydefault", "sClass": "center" },
{
"fnRender": function ( oObj ) {
var text = "" + Obj.aData.isavaibale "";
return text;
}
}
[/code]