ok.. thats just pretty easy ..

first wrap you're apDiv1 and your table in new apDIV.. let's just say..

#container{}

so your markup should look like this

then add the styles

#container{text-align:center;<---this is for ie centering bug...
width:x <----set the width of your design... for example 800px;
margin:auto; <--this is centering for your apDIV
}

finally just add this to your css..

body{margin:0;
padding;0;
}

this should center you layout..

is this your first time?? your layout can be in all divs.. why use tables inside a div??

anyways, your site not mine.. just helpin out through your problem... ^__^

hope this solve your problem...