/***********************************************
** 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' );

    // 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;
    mm[3] = get( topMenu, 'top' ) + get( topMenu, 'height' );

    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;
  }
  activateMenus(); // Position drops and add mouseovers
  setCopyPos(); // Move the copy message
  window.onresize = setCopyPos; // On resize, move the copy message
}

function setCopyPos(){
  var menubtm = get('leftmenu','top') + get('leftmenu','height');
  var winbtm = getWindowSize() - ( get('copy','height') + 10 );
  set('copy','top', ( ( winbtm > menubtm )? winbtm : menubtm ) );
  set('copy','visibility','visible');
}

function getWindowSize(){
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement &&
      ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  return myHeight;
}

function activateMenus(){
  var menuX = get( topMenu, 'left' );
  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 );
    }
  }
}

function dateExt( val ) {
  // divide and check it's a whole number or add the th!
  var ext = ( Math.ceil( (val - 1)/10 ) == (val - 1)/10 && val != 11 ) ? 'st' : 'th';
  if ( ext == 'th' ) var ext = ( Math.ceil( (val - 2)/10 ) == (val - 2)/10 && val != 12 ) ? 'nd' : 'th';
  if ( ext == 'th' ) var ext = ( Math.ceil( (val - 3)/10 ) == (val - 3)/10 && val != 13 ) ? 'rd' : 'th';
  return ext;
}

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 bookmark(){
  if ( document.all ){ window.external.AddFavorite ( document.location, document.title ); }
  else { alert('Please press CTRL + D to bookmark this page'); }
}

function highlightLinks(){
  if ( document.all || document.getElementById ){
    var u = document.URL; // get the url
    var links = new Array(); // store the relevent links
    var s = u.split('/'); // get each directory in the url
    var path = s[0] + '//' + s[2] + '/'; // build the start of the path
    if ( s.length == 4 ){ links[0] = path; } // get the home link
    for ( var i = 3; i < s.length; i ++ ){ // insert the links
      if ( s[i] != '' ){ // a directory url leaves a blank entry
        path += s[i] + '/'; // build the path
        links[ links.length ] = path; // replicate a push
      }
    }
    if ( !u.match(/\/$/) ){ // if required remove the trailing '/'
      links[ (links.length-1) ] = path.substring(0, (path.length-1));
    }
    for ( var j = (document.links.length - 1); j >= 0; j -- ){
      var h = document.links[j].href; // get the link
      for ( var k = 0; k < links.length; k ++ ){
        if ( h == links[k] && k >= 2 ){ // get the matching file and directory at level 3
          document.links[j].style.color = 'Red';
          document.links[j].style.textDecoration='none'
        }
      }
    }
  }
}