// menus.js

function show_menu( menu )
{
var x0=0;   // x-distance from left side of page to left side of table = 0
var x=0;    // x-distance from left side of table
var y0=70; // y-distance from top of page to top of table = 106
var y=0;    // y-distance from top of table = 0
var msg;
var domStyle = findDOM( menu, 1 );
var dom = findDOM( menu, 0 );
var domNavbarStyle = findDOM( 'navbar_box', 1 );
var domNavbar = findDOM( 'navbar_box', 0 );

if( isID )       { x = dom.offsetLeft + domNavbar.offsetLeft; }
else if( isAll ) { x = domStyle.pixelLeft + domNavbarStyle.pixelLeft; }
else             { x = domStyle.left + domNavbarStyle.left; }

x = x + x0;
var dx = x + "px";

if( isID )       { y = dom.offsetTop; }
else if( isAll ) { y = domStyle.pixelTop; }
else             { y = domStyle.top; }

y = y + y0 + 18;
var dy = y + "px";

var menu_box = menu + "_items";
var menu_box_domStyle = findDOM( menu_box, 1 );
var menu_box_dom = findDOM( menu_box, 0 );

//if( menu_box_domStyle.pixelLeft ) 
if( isAll ) 
 { menu_box_domStyle.pixelLeft = dx; menu_box_domStyle.pixelTop = dy; }
else 
 { menu_box_domStyle.left = dx; menu_box_domStyle.top = dy; }
menu_box_domStyle.visibility = 'visible';

//alert( "menu=" + menu + " isID=" + isID + " isAll=" + isAll + " x=" + x + " navbarx=" + domNavbar.offsetLeft );
}

function hide_menu( menu )
{
var menu_box = menu + "_items";	
var domStyle = findDOM( menu_box, 1 );
domStyle.visibility = 'hidden';
}