Javascript Open a Window Full Size (Mazimized)

function f_open_window_max( aURL, aWinName )
{
var wOpen;
var sOptions;

sOptions = 'status=yes,menubar=yes,scrollbars=yes,resizable=yes,toolbar=yes';
sOptions = sOptions + ',width=' + (screen.availWidth - 10).toString();
sOptions = sOptions + ',height=' + (screen.availHeight - 122).toString();
sOptions = sOptions + ',screenX=0,screenY=0,left=0,top=0';

wOpen = window.open( '', aWinName, sOptions );
wOpen.location = aURL;
wOpen.focus();
wOpen.moveTo( 0, 0 );
wOpen.resizeTo( screen.availWidth, screen.availHeight );
return wOpen;
}