how to add anchor tag inside gridview using jquery

Hi,
in my application i want to add an anchor tag inside a gridview like this

$("#GridView1 td").filter(":not(td:first-child)").each(function () {

var cellText = $(this).text();
if ($.trim(cellText) == '') {
$(this).css('background-color', 'LightGreen');
$(this).css('<a href='booking.aspx' >available</a>');

}
});
but this is not working.what is the error

Regards

Baiju