body {
	background-color: #FFFFFF;
	font-family: arial, sans-serif;
}
/* basic layout */
div {
	margin: 0;
	padding: 0;
	background-color: white;
}
.nopda       {
	visibility: hidden;
	background-color: #CCFFFF;
}
#wrapper #nav {
	height: auto;
}

div #nav_pda {
	visibility: visible;
}