//
//
scrnW = screen.availWidth;
lftMarg = String(Math.round((scrnW - 820)/2))
prt1 = "<STYLE>body{background-color: #CAF9FF; margin-top: 0px; margin-left: "
prt2 = "px;}</STYLE>"
//
document.write(prt1.concat(lftMarg.concat(prt2)))
//