/**
  * D2 Hierarchical Menu System
  * Version 2.2.5
  */
  
  /**
  * Modify these variables to control menu position and feel.
  */
  
  rootMenuOffsetX       = -42;
  rootMenuOffsetY       = 3;
  subMenuOffsetX        = 130;
  subMenuOffsetY        = 4;
  subMenuDelay          = 200;
  
  // If set to true, the menu will use all available vertical real estate.
  compensateVertical    = false;
  
  // If set to true, the first tier will reposition horizontally so it is visible.
  adjustFirstTier       = false;
  
  // If set to true, using the menus will temporarily hide all selects in the document.
  autoHideSelects       = false;
  
  
  /**
  * Main control code. Do not modify any code below this line.
  */
  
  menuActive = false;
  
  function showSelects() {
    if(autoHideSelects) {
      var i;
      var oSelects = document.getElementsByTagName("select");
      if(oSelects) {
        for(i = 0; i < oSelects.length; i++) {
          oSelects[i].style.visibility = "visible";     
        }
      }
    }
  }
  
  function hideSelects() {
    if(autoHideSelects) {
      var i;
      var oSelects = document.getElementsByTagName("select");
      if(oSelects) {
        for(i = 0; i < oSelects.length; i++) {
          oSelects[i].style.visibility = "hidden";     
        }
      } 
    }
  }

  function showMenu(obj) {
    if(tierSelected) if(tierSelected!=obj.id) hideChildren(tierSelected, 0);tierSelected=obj.id;showChildren(obj.id);
  }
  
  function hideMenu(obj) {
    hideChildren(obj.id, 250);
  }

  function getY(obj){
	  var y = 0;
	  if(obj) {
		  while (obj.offsetParent) {
 			y += parseInt(obj.offsetTop);
  			obj = obj.offsetParent;
				if(obj.style.position == "absolute") {
					y -= parseInt(obj.offsetTop);
				}
		  }
	  }
	  return y;
	}
	
	function getX(obj){
	  var x = 0;
	  if(obj) {
  		if(document.getElementById || document.all) {
  		  while (obj.offsetParent) {
  			x += obj.offsetLeft;
  			obj = obj.offsetParent;
				if(obj.style.position == "absolute") {
					x -= parseInt(obj.offsetLeft);
				}
  		  }
  		} else if(document.layers) {
  		  x += obj.x;
  		}
	  }
	  return x;
	}

  function getMenuX(id) {
    var obj = getObj(id);
    var x = getX(obj);
    
    if(document.body.offsetWidth && document.documentElement.offsetWidth) {
      var bodyWidth = Math.min(document.documentElement.offsetWidth, document.body.offsetWidth);
    } 
      
    if(bodyWidth) {
      if(obj.root) {
        if(adjustFirstTier) { 
          if((x + subMenuOffsetX) > bodyWidth - 20) {
            x -= (subMenuOffsetX - obj.offsetWidth) + 20;
          }
        }
      } else {
        if(x + (obj.offsetWidth + subMenuOffsetX) > bodyWidth) {
          x -= (obj.offsetWidth + subMenuOffsetX - 10);
        }
      }
    }
    
    if(isNaN(x)) x = 0;
    if(x == 0 && obj.parent == null) {
      x = getX(obj);
    }
    return x;
  }
  
  function getMenuY(id) {
    var obj = getObj(id);
    var y = parseInt(obj.offsetTop);
    y = parseInt(y);   
    if(isNaN(y)) y = 0;
    if(obj.parent == null) {
      y = getY(obj) ;
    }
		if(obj.root == obj) {
			y += parseInt(obj.offsetHeight);
		}
    return y;
  }
  
  function getObj(id) {
    var obj;
    obj = document.getElementById(id);
    return obj;
  }
    
  function setDisplay(id, display) {
    var obj = getObj(id);
    if(display) {
      obj.style.display = 'block';
    } else {
      obj.style.display = 'none';
    }
  }
  
  function showChildren(id) {
    hideSelects();
    menuActive = true;
    
    var obj = getObj(id);
    
    if(!obj.level) obj.level = 1;
    if(!obj.number) obj.number = 1;
    if(!obj.root) obj.root = obj;
    if(!obj.container) obj.container = obj;
    
    if(obj.delay) {
      clearTimeout(obj.delay);
    }
    
    if(obj.parent) {
      if(obj.parent.parent != null) {
        obj.parent.className = "menuItem_On";
      }
      if(obj.parent.selected) {
        if(obj.parent.selected != obj) {
          obj.parent.selected.className = "menuItem_Off";
          hideChildren(obj.parent.selected.id, 0);
        }
      }
      obj.parent.selected = obj;
    }
    
    if(obj.root) {
      if(obj.root.delay) {
        clearTimeout(obj.root.delay);
      }
      obj.root.onmouseout = function() {
        hideMenu(this);
      }
      var oImages = obj.root.getElementsByTagName("img");
      if(oImages) {
        var oImage = oImages[0];
        if(oImage) {
          oImage.onmouseout = null;
        }
      }
    }
    
    subMenu = getObj(obj.id + "_subMenus");
 
    if(subMenu != null) {
      
      obj.subMenus = subMenu.childNodes.length;
      
      if(obj.root==obj) {
        subMenu.style.top = getMenuY(obj.id) + rootMenuOffsetY + "px";
        subMenu.style.left = getMenuX(obj.container.id) + rootMenuOffsetX + "px"; 
      } else {
        subMenu.style.top = getMenuY(obj.container.id) + getMenuY(obj.id) + subMenuOffsetY + "px";
        subMenu.style.left = getMenuX(obj.container.id) + subMenuOffsetX + "px";
      }
      
      if(obj.subMenus > 0) {      
        setDisplay(subMenu.id, true);
      }

      for(i = 0; i <= obj.subMenus -1; i++) {
        tmpObj = getObj(obj.id + "_" + i);
				if(tmpObj) {
					tmpObj.parent = obj;
					tmpObj.level = obj.level + 1;
					tmpObj.number = i;
					tmpObj.root = obj.root;
					tmpObj.container = subMenu;
					tmpObj.style.top = 16 * (i - 1);
					
					tmpObj.onmouseover = function() {
					  this.className = "menuItem_On";
						showChildren(this.id);
					}
					
					tmpObj.onmouseout = function() {
					  this.className = "menuItem_Off";
						hideChildren(this.root.id, subMenuDelay * 2);
					}
					
					tmpObj.onclick = function() {
					  this.className = "menuItem_Off";
					  hideChildren(this.root.id, 0);
					}
				}
      }
      
      if(compensateVertical) {
        if(document.documentElement.clientHeight) {
          var bodyHeight = document.documentElement.clientHeight;
          if(document.documentElement.scrollTop) {
            bodyHeight += document.documentElement.scrollTop;
          }
          if(parseInt(subMenu.style.top) + subMenu.offsetHeight > bodyHeight) {
            subMenu.style.top = (parseInt(subMenu.style.top) - ((parseInt(subMenu.style.top) + subMenu.offsetHeight) - bodyHeight) < 0) ? "0px" : (parseInt(subMenu.style.top) - ((parseInt(subMenu.style.top) + subMenu.offsetHeight) - bodyHeight)) + "px";
          }
        }
      }
    }
  }
  
  function hideChildren(id, delay) {
    if(delay == 0) {
      menuActive = false;
    }
    
    var obj = getObj(id);
    
    if(obj) {
      if(delay) {
        obj.delay = setTimeout("hideChildren(\'" + id + "\', 0)", delay);
      } else {
        if(obj.root) {
          if(obj == obj.root){
            showSelects();
            if(obj.root.getAttribute("isHover")) {
              if(hoverOffDiv && obj.root.getAttribute("isHover") == "true") {
                hoverOffDiv(obj.root);
              }
            }
            var oImages = obj.root.getElementsByTagName("img");
            if(oImages) {
              var oImage = oImages[0];
              if(oImage) {
                if(hoverOff) {
                  hoverOff(oImage);
                }
              }
            }
          }
        }
        
        if(obj.subMenus) {
          subMenu = getObj(obj.id + "_subMenus");
          if(obj.selected) {
            obj.selected.className = "menuItem_Off";
          }
          setDisplay(subMenu.id, false);
        }
        if(obj.selected) {
          hideChildren(obj.selected.id, 0);
        }
      }
    }
  }
  
  var tierSelected;