[jQuery] jQuery UI dialog is not working in IE6

Hello All

I am new to jQuery UI, and I am trying to create a new dialog using
when I click on a link or a button

here is my code:

function openJQueryDialog(dialogWidth){

$(function() {
$("#AJAX_DIALOG").dialog({
bgiframe: true,
autoOpen: false,
bgiframe: true,
closeOnEscape: true,
modal: true,
resizeable: true,
width: dialogWidth,
close: function(event,ui) {
try{
jQuery("#AJAX_DIALOG").remove();
}catch(e){
alert(e.message);
}
}
});
$("#AJAX_DIALOG").dialog("open");
});
}

This code works fine on Fire Fox