/***********************************************
** File:      %M%  version %I%
** Author:    nat
** Modified:  %G%
** Copyright: I-Next Ltd
***********************************************/
/* ident %W% */

function openMenu( d ){
  // if page has loaded
  if ( pageLoaded == 1 ){
    // show the correct div
    for ( var i = 0; i < divs.length; i ++ ){
      // open menu and close others
      set( divs[i], 'visibility', ( ( d == divs[i] ) ? 'visible' : 'hidden' ) );
    }
    // store the active menu
    activeMenu = d;
  }
}
function closeMenu( n ){
  set( n, 'visibility', 'hidden' );
  if ( activeMenu == n ){ activeMenu = ''; }
}
function menuCheck( evt ){
  // if a menu is open
  if ( activeMenu != '' ){

    // load the drop menu edges into an array
    var pos = new Array();
    pos[0] = get( activeMenu, 'left' ) + 2;
    pos[1] = get( activeMenu, 'left' ) + get( activeMenu, 'width' );
    pos[2] = get( activeMenu, 'top' ) - 4;
    pos[3] = get( activeMenu, 'top' ) + get( activeMenu, 'height' );

    // set the container div top offset
    var offset = 106;

    // load the main menu edges into an array
    var mm = new Array();
    mm[0] = get( topMenu, 'left' ) + 2;
    mm[1] = get( topMenu, 'left' ) + get( topMenu, 'width' );
    mm[2] = get( topMenu, 'top' ) - 2 + offset;
    mm[3] = get( topMenu, 'top' ) + get( topMenu, 'height' ) + offset;

    if ( document.all ){ // check for mouseout in ie

      // get the mouse pos from the window event and add any window scroll
      var we = window.event;
      var x = we.x + document.body.scrollLeft;
      var y = we.y + document.body.scrollTop;

    } else if ( evt ){ // non ie
      var x = evt.pageX;
      var y = evt.pageY;
    }

    // check if the cursor is in the main menu
    if ( x < mm[0] || x > mm[1] || y < mm[2] || y > mm[3] ){

      // not in MM so check if in drop menu
      if ( x < pos[0] || x > pos[1] || y < pos[2] || y > pos[3] ){ closeMenu( activeMenu ); }
    }
  }
}

function doLoad(){
  pageLoaded = 1;
  // get the mouse in netscape
  if ( !document.all ){
    document.captureEvents( Event.MOUSEMOVE );
    document.onmousemove = menuCheck;
  }
  window.onresize = moveMenus;
  activateMenus();
  initRollovers();
}

function activateMenus(){
  var menuX = get( topMenu, 'left' );
  // for IE and safari add the margin left on the top menu
  //if ( document.all || navigator.appVersion.indexOf('Safari') != -1 ){ menuX += 274; }
  menuX += 274;
  var TD = document.getElementsByTagName('td'); // Get the TD tag array
  for ( var i = 0; i < TD.length; i ++ ){ // Go through ...
    if ( TD[i].className.indexOf('opendrop-0') != -1 ){ // Zero closes any open ones
      TD[i].onmouseover = function(){ openMenu(''); } // Assign the function
    } else if ( TD[i].className.indexOf('opendrop-') != -1 ){ // If matching class name
      TD[i].dropNum = TD[i].className.split('-')[1]; // Set attribute in the tag
      TD[i].onmouseover = function(){ openMenu( 'drop' + this.dropNum ); } // Assign the function
      TD[i].style.cursor = 'default';
      set( 'drop' + TD[i].dropNum, 'left', ( TD[i].offsetLeft + menuX + 2 ) );
    }
  }
}
function moveMenus(){
  var menuX = get( topMenu, 'left' );
  // for IE and safari add the margin left on the top menu
  //if ( document.all || navigator.appVersion.indexOf('Safari') != -1 ){ menuX += 274; }
  menuX += 274;
  var TD = document.getElementsByTagName('td'); // Get the TD tag array
  for ( var i = 0; i < TD.length; i ++ ){ // Go through ...
    if ( TD[i].className.indexOf('opendrop-') != -1 && TD[i].className != 'opendrop-0' ){ // If matching class name
      set( 'drop' + TD[i].className.split('-')[1], 'left', ( TD[i].offsetLeft + menuX + 2 ) );
    }
  }
}

function popup( win, w, h ){
  if ( window.pop ){ window.pop.close(); } // close an open one
  if ( popup.arguments.length < 2 ){ w = 320; };
  if ( popup.arguments.length < 3 ){ h = 480; };
  pop = window.open( win,'return','toolbar=no,location=no,directories=no,status=yes,scrollbars=no,resizable=no,copyhistory=no,locationbar=no,width=' + w + ',height=' + h + ',screenX=0,screenY=0,top=0,left=0');
}



function initRollovers(){
  if ( document.images ){
    var preLoad = new Array();
    var tempSrc;
    for (var i = 0; i < document.images.length; i ++ ){

      // Only add rollover to images with the classname 'swapmain'
      if ( document.images[i].className == 'swapmain' ){
        var src = document.images[i].getAttribute('src'); // get the src
        var ext = src.substring( src.lastIndexOf('.'), src.length ); // get the file extension
        var hsrc = src.replace( ext, '_r' + ext ); // store the rollover src
        document.images[i].setAttribute('hsrc', hsrc); // set the new src attribute
        document.images[i].style.cursor = 'hand'; // Hand cursor where supported

        // Preload the image
        preLoad[i] = new Image();
        preLoad[i].src = hsrc;

        // Add the rollover functions
        document.images[i].onmouseover = function(){
          tempSrc = mainImg.getAttribute('src'); // Get the main image src
          mainImg.setAttribute('src', this.getAttribute('hsrc'));
        }
        document.images[i].onmouseout = function(){
          if (!tempSrc) tempSrc = this.getAttribute('src').replace('_r'+ftype, ftype);
          mainImg.setAttribute('src', tempSrc);
        }
      } else if ( document.images[i].className == 'main' ){
        // Set the global variable to be the main image object
        mainImg = document.images[i];
      }
    }
  }
}

window.onload = doLoad;