menus = new Array( 'm_proj' );
menu_on = false;
var is_DOM = ( document.getElementById ) ? true : false;
var isIE = navigator.appName == "Microsoft Internet Explorer" ? true : false;
var isNav = navigator.appName == "Netscape" ? true : false;
var isOpera = navigator.appName == "Opera" ? true : false;

mouseX = 0;
mouseY = 0;

if( isIE )
{
  document.onmousemove = function()
  {
    mouseX = event.clientX + document.body.scrollLeft;
    mouseY = event.clientY + document.body.scrollTop;
    return true;
  }
}
else 
 if( isOpera )
 {
    document.onmousemove=function()
    {
      mouseX = event.clientX;
      mouseY = event.clientY;
      return true;
    }
  }
  else 
    if( isNav )
    {
      document.onmousemove = function( e )
      {
        mouseX = e.pageX;
        mouseY = e.pageY;
        return true;
      } 
  }

function show_menu( m )
{
  if( menu_on )
    return( 0 );

  hide_menu();

  menu_on = true;

  obj = (is_DOM) ? document.getElementById( m ).style : eval( 'document.' + m );
  obj.top = 326;
  obj.left = mouseX + 6;
  obj.visibility = 'visible';
}
		
function hide_menu()
{
  for( i = 0; i < menus.length; i++ )
  {
    obj = (is_DOM) ? document.getElementById( menus[ i ] ).style : eval( 'document.' + menus[ i ] );
    obj.visibility = 'hidden';
  }

  menu_on = false;
}