/*  Your are permitted to reuse this code as long as the following copyright
            notice is not removed:
      
            The HTML tip handling code is copyright 1998 by insideDHTML.com, LLC. More information about this
            code can be found at Inside Dynamic HTML: HTTP://www.insideDHTML.com
        */
      
        // Support for all collection
        var allSupport = document.all!=null
      
        function setupEventObject(e) {
          // Map NS event object to IEs
          if (e==null) return // IE returns
          window.event = e
          window.event.fromElement = e.target
          window.event.toElement = e.target
          window.event.srcElement = e.target
          window.event.x = e.x
          window.event.y = e.y
          // Route the event to the original element
          // Necessary to make sure _tip is set.
          window.event.srcElement.handleEvent(e);
        }
      
      
        function checkName(src) {
          // Look for tooltip in IE
          while ((src!=null) && (src._tip==null))
            src = src.parentElement
          return src
        }
      
        function getElement(elName) {
          // Get an element from its ID
          if (allSupport)
            return document.all[elName]
          else
            return document.layers[elName]
        }
      
        function writeContents(el, tip) {
          // Replace the contents of the tooltip
          if (allSupport)
            el.innerHTML = tip
          else {
            // In NS, insert a table to work around
            // stylesheet rendering bug.
            // NS fails to apply style sheets when writing
            // contents into a positioned element.
            el.document.open()
            el.document.write("<TABLE WIDTH=200 BORDER=1 bordercolor=black><TR><TD WIDTH=100% BGCOLOR=yellow>")
            el.document.write(tip)
            el.document.write("</TD></TR></TABLE>")
            el.document.close()
          }
        }
      

        function getOffset(el, which) {
          // Function for IE to calculate position 
          // of an element.
          var amount = el["offset"+which] 
          if (which=="Top")
            amount+=el.offsetHeight
          el = el.offsetParent
          while (el!=null) {
            amount+=el["offset"+which]
            el = el.offsetParent
          }
          return amount
        }
        
      
        function setPosition(el) {
          // Set the position of an element
          src = window.event.srcElement
          if (allSupport) {
            el.style.pixelTop = getOffset(src, "Top")
            el.style.pixelLeft = getOffset(src, "Left")
          } else
          {
            el.top = src.y + 20 
            el.left = src.x 
          }
        }
            
        function setVisibility(el, bDisplay) {
          // Hide or show to tip
          if (bDisplay)
            if (allSupport)
              el.style.visibility = "visible" 
            else
              el.visibility = "show";
          else
            if (allSupport)
              el.style.visibility = "hidden"
            else
              el.visibility = "hidden"
        }
      
      
        function displayContents(tip) {
          // Display the tooltip. 
          var el = getElement("tipBox")
          writeContents(el, tip)
          setPosition(el)
          setVisibility(el, true)
        }
      
      
        function doMouseOver(e) {
          // Mouse moves over an element
          setupEventObject(e)
          var el, tip
          if ((el = checkName(window.event.srcElement))!=null)
            if  (!el._display) {
              displayContents(el._tip)
              el._display = true
            }
        }
      
        function doMouseOut(e) {
          // Mouse leaves an element
          setupEventObject(e)
          el = checkName(window.event.srcElement)
          var el, tip
          if ((el = checkName(window.event.srcElement))!=null)
            if (el._display)
              if ((el.contains==null) || (!el.contains(window.event.toElement))) {
                setVisibility(getElement("tipBox"), false)
                el._display = false
              }
        }
      
        function doLoad() {
          // Do Loading
          if ((window.document.captureEvents==null) && (!allSupport))
            return // Not IE4 or NS4
          if (window.document.captureEvents!=null)  // NS - capture events
            window.document.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT)
          window.document.onmouseover = doMouseOver;
          window.document.onmouseout = doMouseOut;
        }
      
        window.onload = doLoad