/*
Text Link/Image Map Tooltip Script-
© Dynamic Drive (www.dynamicdrive.com)
For full source code, and 100's more DHTML scripts
Visit http://www.dynamicdrive.com
*/

// Arrays for nodes and icons
var nodes      = new Array();;
var openNodes  = new Array();
var icons      = new Array(6);

if (!document.layers&&!document.all&&!document.getElementById)
event="test"

function showtip(current,e,text){

if (document.all||document.getElementById){
thetitle=text.split('<br>')
if (thetitle.length>1){
thetitles=''
for (i=0;i<thetitle.length;i++)
thetitles+=thetitle[i]
current.title=thetitles
}
else
current.title=text
}

else if (document.layers){
document.tooltip.document.write('<layer bgColor="white" style="border:1px solid black;font-size:12px;">'+text+'</layer>')
document.tooltip.document.close()
document.tooltip.left=e.pageX+5
document.tooltip.top=e.pageY+5
document.tooltip.visibility="show"
}
}
function hidetip(){
if (document.layers)
document.tooltip.visibility="hidden"
}

/**************************************************************************
   Copyright (c) 2001 Geir Landrö (drop@destroydrop.com)
   JavaScript Tree - www.destroydrop.com/hugi/javascript/tree/
   Version 0.96

   This script can be used freely as long as all copyright messages are
   intact.
**************************************************************************/



// Loads all icons that are used in the tree
function preloadIcons() {
   icons[0] = new Image();
   icons[0].src = "img/plus.gif";
   icons[1] = new Image();
   icons[1].src = "img/plusbottom.gif";
   icons[2] = new Image();
   icons[2].src = "img/minus.gif";
   icons[3] = new Image();
   icons[3].src = "img/minusbottom.gif";
   icons[4] = new Image();
   icons[4].src = "img/folder.gif";
   icons[5] = new Image();
   icons[5].src = "img/folderopen.gif";
}
// Create the tree
function createTree(arrName, startNode, openNode1, openNode2) {
   nodes = arrName;
   if (nodes.length > 0) {
      preloadIcons();
      if (startNode == null) startNode = 0;
      if (openNode1 != 0 || openNode1 != null) setOpenNodes(openNode1);
      if (openNode2 != 0 || openNode2 != null) setOpenNodes(openNode2);

      if (startNode !=0) {
         var nodeValues = nodes[getArrayId(startNode)].split("|");
         document.write("<a target=\"frame2\" href=\"" + nodeValues[3] + "\" onmouseover=\"window.status='" + nodeValues[2] + "';return true;\" onmouseout=\"window.status=' ';return true;\"><img src=\"img/folderopen.gif\" align=\"absbottom\" alt=\"\" />" + nodeValues[2] + "</a><br />");
      } else document.write("<img src=\"img/base.gif\" align=\"absbottom\" alt=\"\" />Website<br />");

      var recursedNodes = new Array();
      addNode(startNode, recursedNodes);
   }
}
// Returns the position of a node in the array
function getArrayId(node) {
   for (i=0; i<nodes.length; i++) {
      var nodeValues = nodes[i].split("|");
      if (nodeValues[0]==node) return i;
   }
}
// Puts in array nodes that will be open
function setOpenNodes(openNode) {
   for (i=0; i<nodes.length; i++) {
      var nodeValues = nodes[i].split("|");
      if (nodeValues[0]==openNode) {
         openNodes.push(nodeValues[0]);
         setOpenNodes(nodeValues[1]);
      }
   }
}
// Checks if a node is open
function isNodeOpen(node) {
   for (i=0; i<openNodes.length; i++)
      if (openNodes[i]==node) return true;
   return false;
}
// Checks if a node has any children
function hasChildNode(parentNode) {
   for (i=0; i< nodes.length; i++) {
      var nodeValues = nodes[i].split("|");
      if (nodeValues[1] == parentNode) return true;
   }
   return false;
}
// Checks if a node is the last sibling
function lastSibling (node, parentNode) {
   var lastChild = 0;
   for (i=0; i< nodes.length; i++) {
      var nodeValues = nodes[i].split("|");
      if (nodeValues[1] == parentNode)
         lastChild = nodeValues[0];
   }
   if (lastChild==node) return true;
   return false;
}
// Adds a new node in the tree
function addNode(parentNode, recursedNodes) {
   for (var i = 0; i < nodes.length; i++) {

      var nodeValues = nodes[i].split("|");
      if (nodeValues[1] == parentNode) {

         var ls   = lastSibling(nodeValues[0], nodeValues[1]);
         var hcn  = hasChildNode(nodeValues[0]);
         var ino = isNodeOpen(nodeValues[0]);

         // Write out line & empty icons
         for (g=0; g<recursedNodes.length; g++) {
            if (recursedNodes[g] == 1) document.write("<img src=\"img/line.gif\" align=\"absbottom\" alt=\"\" />");
            else  document.write("<img src=\"img/empty.gif\" align=\"absbottom\" alt=\"\" />");
         }

         // put in array line & empty icons
         if (ls) recursedNodes.push(0);
         else recursedNodes.push(1);

         // Write out join icons
         if (hcn) {
            if (ls) {
               document.write("<a href=\"javascript: oc(" + nodeValues[0] + ", 1);\"><img id=\"join" + nodeValues[0] + "\" src=\"img/");
                  if (ino) document.write("minus");
                  else document.write("plus");
               document.write("bottom.gif\" align=\"absbottom\" alt=\"Open/Close node\" /></a>");
            } else {
               document.write("<a href=\"javascript: oc(" + nodeValues[0] + ", 0);\"><img id=\"join" + nodeValues[0] + "\" src=\"img/");
                  if (ino) document.write("minus");
                  else document.write("plus");
               document.write(".gif\" align=\"absbottom\" alt=\"Open/Close node\" /></a>");
            }
         } else {
            if (ls) document.write("<img src=\"img/join.gif\" align=\"absbottom\" alt=\"\" />");
            else document.write("<img src=\"img/joinbottom.gif\" align=\"absbottom\" alt=\"\" />");
         }

         // Start link
         part1 = '<a target=\"frame2\" href=\"';
         if (nodeValues[3] == "form.html") {
             part1 = '<a target=\"_top\" href=\"';
         }
         if (nodeValues[3] == "high_sierra_sky.html") {
             part1 = '<a target=\"_top\" href=\"';
         }         
         if (nodeValues[3] == "creepin.html") {
             part1 = '<a target=\"_top\" href=\"';
         }         
         if (nodeValues[3] == "alaska.html") {
             part1 = '<a target=\"_top\" href=\"';
         }              
         if (nodeValues[3] == "midday.html") {
             part1 = '<a target=\"_top\" href=\"';
         }               
	 if (nodeValues[3] == "nevada.html") {
	     part1 = '<a target=\"_top\" href=\"';
         }             
         part2 = '\" onmouseover=\"showtip(this,event,\'';
         part4 = ';window.status=\'' + nodeValues[2] + '\';return true;';
         part5 = ';window.status=\' \';return true;';
         document.write(part1 + nodeValues[3] + part2 + nodeValues[4] + "\')" + part4 + "\" onmouseout=\"'hidetip();'" + part5 + "\">");

         // Write out folder & page icons
         if (hcn) {
            document.write("<img id=\"icon" + nodeValues[0] + "\" src=\"img/folder")
               if (ino) document.write("open");
            document.write(".gif\" align=\"absbottom\" alt=\"Folder\" />");
         } else document.write("<img id=\"icon" + nodeValues[0] + "\" src=\"img/page.gif\" align=\"absbottom\" alt=\"Page\" />");

         // Write out node name
         document.write(nodeValues[2]);

         // End link
         document.write("</a><br />");

         // If node has children write out divs and go deeper
         if (hcn) {
            document.write("<div id=\"div" + nodeValues[0] + "\"");
               if (!ino) document.write(" style=\"display: none;\"");
            document.write(">");
            addNode(nodeValues[0], recursedNodes);
            document.write("</div>");
         }

         // remove last line or empty icon
         recursedNodes.pop();
      }
   }
}
// Opens or closes a node
function oc(node, bottom) {
   var theDiv = document.getElementById("div" + node);
   var theJoin = document.getElementById("join" + node);
   var theIcon = document.getElementById("icon" + node);

   if (theDiv.style.display == 'none') {
      if (bottom==1) theJoin.src = icons[3].src;
      else theJoin.src = icons[2].src;
      theIcon.src = icons[5].src;
      theDiv.style.display = '';
   } else {
      if (bottom==1) theJoin.src = icons[1].src;
      else theJoin.src = icons[0].src;
      theIcon.src = icons[4].src;
      theDiv.style.display = 'none';
   }
}
// Push and pop not implemented in IE(crap!    don´t know about NS though)
if(!Array.prototype.push) {
   function array_push() {
      for(var i=0;i<arguments.length;i++)
         this[this.length]=arguments[i];
      return this.length;
   }
   Array.prototype.push = array_push;
}
if(!Array.prototype.pop) {
   function array_pop(){
      lastElement = this[this.length-1];
      this.length = Math.max(this.length-1,0);
      return lastElement;
   }
   Array.prototype.pop = array_pop;
}