/* Signal the MenuG5 routines where they can find scripts and images */
var scriptPath = webLibraryPath+'/library/';
var imagePath  = webImagePath+'/';

/* Callback functions when building and styling the menus */
var glPreAddItemFunction;
var glPostAddItemFunction;
var glMenuStylingsFunction;

/* The list of menus on the page */
var glDHTMLMenuList = new Array();

/* Create a menu entry object */
function createMenuEntry(menuName) {
  this.menuName      = menuName;
  this.items         = new Array();
  this.subMenus      = new Array();
  this.subSubMenus   = new Array();
  this.stylingGroups = new Array();
}

/* Create a menu item object */
function createMenuItem(menuName, level, itemType, itemName, itemLink, itemTarget, itemStylingGroup, itemSubName) {
  this.menuName         = menuName;
  this.level            = level;
  this.itemType         = itemType;
  this.itemName         = unescape(itemName);
  this.itemLink         = itemLink;
  this.itemTarget       = itemTarget;
  this.itemStylingGroup = itemStylingGroup;
  this.itemSubName      = itemSubName;
}

/* Add a menu to the list */
function createMenu(menuName) {
  glDHTMLMenuList[glDHTMLMenuList.length] = new createMenuEntry(menuName);
}

/* Add a menu item to a menu */
function addToMenu(menuName, level, itemType, itemName, itemLink, itemTarget, itemStylingGroup, itemSubName) {
  var len = glDHTMLMenuList.length - 1;
  glDHTMLMenuList[len].items[glDHTMLMenuList[len].items.length] = new createMenuItem(menuName, level, itemType, itemName, itemLink, itemTarget, itemStylingGroup, itemSubName);
}

/* Add a styling group to the build menu */
function i7AddStylingGroup(stylingGroups, stylingGroup) {
  if (stylingGroup != '') {
    for (var i=0; i<stylingGroups.length; i++) {
      if (stylingGroups[i] == stylingGroup)
        return;
    }
    stylingGroups[stylingGroups.length] = stylingGroup;
  }
}

/* Build the menus */
function i7BuildDHTMLMenus() {
  var prevMenu='';
  var currentMenu='';
  var tmp='';
  var arr;
  
  for (var i=0; i<glDHTMLMenuList.length; i++) {
    addMenu(glDHTMLMenuList[i].menuName, glDHTMLMenuList[i].menuName); 
    currentMenu=glDHTMLMenuList[i].menuName;
		
    for (var j=0; j<glDHTMLMenuList[i].items.length; j++) {
      switch (glDHTMLMenuList[i].items[j].itemType) {
        case 1 : // SubMenu
          if (glPreAddItemFunction)
            glPreAddItemFunction(
              glDHTMLMenuList[i].menuName, 
              currentMenu, 
              glDHTMLMenuList[i].items[j].itemName, 
              glDHTMLMenuList[i].items[j].itemSubName, 
              glDHTMLMenuList[i].items[j].itemStylingGroup);

          addSubMenu(
            currentMenu, 
            glDHTMLMenuList[i].items[j].itemName, 
            '', 
            '', 
            glDHTMLMenuList[i].items[j].itemSubName, 
            glDHTMLMenuList[i].items[j].itemStylingGroup);

          if (glPostAddItemFunction)
            glPostAddItemFunction(
              glDHTMLMenuList[i].menuName, 
              currentMenu, 
              glDHTMLMenuList[i].items[j].itemName, 
              glDHTMLMenuList[i].items[j].itemSubName, 
              glDHTMLMenuList[i].items[j].itemStylingGroup);
           
          if (currentMenu == glDHTMLMenuList[i].menuName)
            glDHTMLMenuList[i].subMenus[glDHTMLMenuList[i].subMenus.length] = glDHTMLMenuList[i].items[j].itemSubName
          else
            glDHTMLMenuList[i].subSubMenus[glDHTMLMenuList[i].subSubMenus.length] = glDHTMLMenuList[i].items[j].itemSubName;
          i7AddStylingGroup(glDHTMLMenuList[i].stylingGroups, glDHTMLMenuList[i].items[j].itemStylingGroup);
          prevMenu=prevMenu+'~'+currentMenu;
          currentMenu=glDHTMLMenuList[i].items[j].itemSubName;
          break;
           
        case 2 : // Link or SubMenu with a link
          if (j<glDHTMLMenuList[i].items.length-1) {
            if (glDHTMLMenuList[i].items[j+1].level>glDHTMLMenuList[i].items[j].level) {
              if (glPreAddItemFunction)
                glPreAddItemFunction(
                  glDHTMLMenuList[i].menuName, 
                  currentMenu, 
                  glDHTMLMenuList[i].items[j].itemName, 
                  glDHTMLMenuList[i].items[j].itemSubName, 
                  glDHTMLMenuList[i].items[j].itemStylingGroup);

              addSubMenu(
                currentMenu,
                glDHTMLMenuList[i].items[j].itemName, 
                '', 
                glDHTMLMenuList[i].items[j].itemLink, 
                glDHTMLMenuList[i].items[j].itemSubName, 
                glDHTMLMenuList[i].items[j].itemStylingGroup);

              if (glPostAddItemFunction)
                glPostAddItemFunction(
                  glDHTMLMenuList[i].menuName, 
                  currentMenu, 
                  glDHTMLMenuList[i].items[j].itemName, 
                  glDHTMLMenuList[i].items[j].itemSubName, 
                  glDHTMLMenuList[i].items[j].itemStylingGroup);

              if (currentMenu == glDHTMLMenuList[i].menuName)
                glDHTMLMenuList[i].subMenus[glDHTMLMenuList[i].subMenus.length] = glDHTMLMenuList[i].items[j].itemSubName
              else
                glDHTMLMenuList[i].subSubMenus[glDHTMLMenuList[i].subSubMenus.length] = glDHTMLMenuList[i].items[j].itemSubName;
              i7AddStylingGroup(glDHTMLMenuList[i].stylingGroups, glDHTMLMenuList[i].items[j].itemStylingGroup);
            } else {
              if (glPreAddItemFunction)
                glPreAddItemFunction(
                  glDHTMLMenuList[i].menuName, 
                  currentMenu, 
                  glDHTMLMenuList[i].items[j].itemName, 
                  '', 
                  glDHTMLMenuList[i].items[j].itemStylingGroup);
              if (glDHTMLMenuList[i].items[j].itemTarget!='')
                addCommand(
                  currentMenu, 
                  glDHTMLMenuList[i].items[j].itemName, 
                  '', 
                  'openLink("'+glDHTMLMenuList[i].items[j].itemLink+'", "'+glDHTMLMenuList[i].items[j].itemTarget+'")', 
                  glDHTMLMenuList[i].items[j].itemStylingGroup)
              else
                addLink(
                  currentMenu, 
                  glDHTMLMenuList[i].items[j].itemName, 
                  '', 
                  glDHTMLMenuList[i].items[j].itemLink, 
                  glDHTMLMenuList[i].items[j].itemStylingGroup);
              if (glPostAddItemFunction)
                glPostAddItemFunction(
                  glDHTMLMenuList[i].menuName, 
                  currentMenu, 
                  glDHTMLMenuList[i].items[j].itemName, 
                  '', 
                  glDHTMLMenuList[i].items[j].itemStylingGroup);
              i7AddStylingGroup(glDHTMLMenuList[i].stylingGroups, glDHTMLMenuList[i].items[j].itemStylingGroup);
            }
            
            if (glDHTMLMenuList[i].items[j+1].level>glDHTMLMenuList[i].items[j].level) {
              prevMenu=prevMenu+'~'+currentMenu;
              currentMenu=glDHTMLMenuList[i].items[j].itemSubName;
            } else
              if (glDHTMLMenuList[i].items[j+1].level<glDHTMLMenuList[i].items[j].level) {
                arr=prevMenu.split('~');
                currentMenu=arr[glDHTMLMenuList[i].items[j+1].level];
                tmp='';
                for (var k=1; k<glDHTMLMenuList[i].items[j+1].level; k++)
                  tmp=tmp+'~'+arr[k];
                prevMenu=tmp;
              }
            } else {
              if (glPreAddItemFunction)
                glPreAddItemFunction(
                  glDHTMLMenuList[i].menuName, 
                  currentMenu, 
                  glDHTMLMenuList[i].items[j].itemName, 
                  '', 
                  glDHTMLMenuList[i].items[j].itemStylingGroup);
              addLink(
                currentMenu, 
                glDHTMLMenuList[i].items[j].itemName, 
                '', 
                glDHTMLMenuList[i].items[j].itemLink, 
                glDHTMLMenuList[i].items[j].itemStylingGroup);
              if (glPostAddItemFunction)
                glPostAddItemFunction(
                  glDHTMLMenuList[i].menuName, 
                    currentMenu, 
                    glDHTMLMenuList[i].items[j].itemName, 
                    '', 
                    glDHTMLMenuList[i].items[j].itemStylingGroup);
              i7AddStylingGroup(glDHTMLMenuList[i].stylingGroups, glDHTMLMenuList[i].items[j].itemStylingGroup);
            }
          break;
            
        default :
      }
    }
  } 
  endMenu(); 

  if (typeof(glMenuStylingsFunction) != 'undefined') {
    for (var i=0; i<glDHTMLMenuList.length; i++) {
      glMenuStylingsFunction(
        glDHTMLMenuList[i].menuName, 
        glDHTMLMenuList[i].subMenus, 
        glDHTMLMenuList[i].subSubMenus, 
        glDHTMLMenuList[i].stylingGroups);
    }
  }
}

/* Show the menus */
function i7ShowMenus() {
  for (var i=0; i<glDHTMLMenuList.length; i++)
    showMenu(glDHTMLMenuList[i].menuName);
}

/* Open a link in a new window */
function openLink(url,target) {
  switch (target) {
    case '_blank' :
      window.open(url,'','');
      break;
      
    case '_top' :
      var parentFrame=window;
      while (parentFrame.parent && parentFrame.location.href!=parentFrame.parent.location.href)
        parentFrame=parentFrame.parent;
      parentFrame.location.href=url;
      break;
  	  
    case '_parent' :
      if (window.parent)
        window.parent.location.href=url
      else
        location.href=url;
      break;
  	  
    case '_self' :
     location.href=url;
     break;
  	  
    default:
      window.open(url,target,'');
  }
}

function strLeft(str,sep) {
  var pos=str.indexOf(sep); 
  if (pos==-1)
    return str
  else
    return str.substr(0,pos);
}

function strLeftBack(str,sep) {
  var pos=str.lastIndexOf(sep);
  if (pos==-1)
    return str
  else
    return str.substr(0,pos);
}

function strRight(str,sep) {
  var pos=str.indexOf(sep); 
  if (pos==-1)
    return str
  else
    return str.substr(pos+sep.length,str.length-pos-(sep.length-1));
}

function strRightBack(str,sep) {
  var pos=str.lastIndexOf(sep);
  if (pos==-1)
    return str
  else
    return str.substr(pos+sep.length,str.length-pos-(sep.length-1));
}

function replaceSubString(source,from,to) { 
  var pos=0; 
  var len=to.length; 
  var pre; 
  var post; 
  pos=source.indexOf(from); 
  while (pos!=-1) { 
    pre=source.substring(0,pos); 
    post=source.substring(pos+from.length,source.length); 
    source=pre+to+post; 
    pos=source.indexOf(from,pos+len); 
  } 
  return source; 
} 

function trim(str) { 
  while (str.charAt(0)==' ') 
    str=str.substring(1,str.length); 
  while (str.charAt(str.length-1)==' ') 
    str=str.substring(0,str.length-1); 
  return str; 
}