var IE = navigator.appName.indexOf("Microsoft") > -1;
var NS = navigator.appName.indexOf("Netscape") > -1;
var PC = navigator.platform.indexOf("Win") > -1;
var bVer = IE ? parseInt(navigator.appVersion.substr(navigator.appVersion.indexOf("MSIE")+5, 3)) : parseInt(navigator.appVersion);
var DOM = ( (IE || NS) && bVer < 5 ) ? false : true;
var screenWidth = screen.availWidth;
var navRollOvers = new Array();
var pageRollOvers = new Array();
var preloadedNav = false;
var preloadNavElements = [ "thespians", "trailer", "stuff", "film", "legend", "your" ];
var preloadedPage = false;
fudgeMozillaBlockStyle();

function navRollOn( im ) {
	if ( !preloadedNav ) return;
	if ( NS && !DOM ) document.layers.navigation.document.images[im].src = navRollOvers[im].on.src;
	else document.images[im].src = navRollOvers[im].on.src;
}

function navRollOff( im ) {
	if ( !preloadedNav ) return;
	if ( NS && !DOM ) document.layers.navigation.document.images[im].src = navRollOvers[im].off.src;
	else document.images[im].src = navRollOvers[im].off.src;
}

function preloadNav() {
	for ( im in preloadNavElements ) {
		navRollOvers[preloadNavElements[im]] = new Object();
		navRollOvers[preloadNavElements[im]].on = new Image();
		navRollOvers[preloadNavElements[im]].off = new Image();
		navRollOvers[preloadNavElements[im]].on.src = "images/nav/bt_" + preloadNavElements[im] + "_lo.gif";
		navRollOvers[preloadNavElements[im]].off.src = "images/nav/bt_" + preloadNavElements[im] + "_hi.gif";
	}
	preloadedNav = true;
}
			
function fudgeMozillaBlockStyle() {
	document.writeln( "<style type=\"text/css\">" );
	if ( NS && DOM ) document.writeln( ".imageblock { line-height: 0; margin: 0 }" );
	else document.writeln( ".imageblock { } " );
	document.writeln( "<\/style>" );
}

function findBodyBlockElement( id ) {
if ( NS && !DOM ) return document.layers.bodyblock.document.layers[id];
else if ( IE ) return document.all[id];
else return document.getElementById( id );
}

function popwin( p,w,h ) {
	newWin = window.open( p, "blank"+w, "toolbar=no,directories=no,menubar=no,status=no,scrollbars=yes,resizable=yes,width="+w+",height="+h);
}

function launchplayer( p,w,h ) {
	newWin = window.open( p, "blank"+w, "toolbar=no,directories=no,menubar=no,status=no,scrollbars=no,resizable=no,width="+w+",height="+h + ",top=20,left=" + (screenWidth-w-40) );
}