

<!--
/*
 * jQuery Tooltip plugin 1.3
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-tooltip/
 * http://docs.jquery.com/Plugins/Tooltip
 *
 * Copyright (c) 2006 - 2008 Jörn Zaefferer
 *
 * $Id: jquery.tooltip.js 5741 2008-06-21 15:22:16Z joern.zaefferer $
 * 
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */
 
;(function($) {
 
  // the tooltip element
 var helper = {},
  // the current tooltipped element
  current,
  // the title of the current element, used for restoring
  title,
  // timeout id for delayed tooltips
  tID,
  // IE 5.5 or 6
  IE = $.browser.msie && /MSIE\s(5\.5|6\.)/.test(navigator.userAgent),
  // flag for mouse tracking
  track = false;
 
 $.tooltip = {
  blocked: false,
  defaults: {
   delay: 200,
   fade: false,
   showURL: true,
   extraClass: "",
   top: 15,
   left: 15,
   id: "tooltip"
  },
  block: function() {
   $.tooltip.blocked = !$.tooltip.blocked;
  }
 };
 
 $.fn.extend({
  tooltip: function(settings) {
   settings = $.extend({}, $.tooltip.defaults, settings);
   createHelper(settings);
   return this.each(function() {
     $.data(this, "tooltip", settings);
     this.tOpacity = helper.parent.css("opacity");
     // copy tooltip into its own expando and remove the title
     this.tooltipText = this.title;
     $(this).removeAttr("title");
     // also remove alt attribute to prevent default tooltip in IE
     this.alt = "";
    })
    .mouseover(save)
    .mouseout(hide)
    .click(hide);
  },
  fixPNG: IE ? function() {
   return this.each(function () {
    var image = $(this).css('backgroundImage');
    if (image.match(/^url\(["']?(.*\.png)["']?\)$/i)) {
     image = RegExp.$1;
     $(this).css({
      'backgroundImage': 'none',
      'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=crop, src='" + image + "')"
     }).each(function () {
      var position = $(this).css('position');
      if (position != 'absolute' && position != 'relative')
       $(this).css('position', 'relative');
     });
    }
   });
  } : function() { return this; },
  unfixPNG: IE ? function() {
   return this.each(function () {
    $(this).css({'filter': '', backgroundImage: ''});
   });
  } : function() { return this; },
  hideWhenEmpty: function() {
   return this.each(function() {
    $(this)[ $(this).html() ? "show" : "hide" ]();
   });
  },
  url: function() {
   return this.attr('href') || this.attr('src');
  }
 });
 
 function createHelper(settings) {
  // there can be only one tooltip helper
  if( helper.parent )
   return;
  // create the helper, h3 for title, div for url
  helper.parent = $('<div id="' + settings.id + '"><h3></h3><div class="body"></div><div class="url"></div></div>')
   // add to document
   .appendTo(document.body)
   // hide it at first
   .hide();
   
  // apply bgiframe if available
  if ( $.fn.bgiframe )
   helper.parent.bgiframe();
  
  // save references to title and url elements
  helper.title = $('h3', helper.parent);
  helper.body = $('div.body', helper.parent);
  helper.url = $('div.url', helper.parent);
 }
 
 function settings(element) {
  return $.data(element, "tooltip");
 }
 
 // main event handler to start showing tooltips
 function handle(event) {
  // show helper, either with timeout or on instant
  if( settings(this).delay )
   tID = setTimeout(show, settings(this).delay);
  else
   show();
  
  // if selected, update the helper position when the mouse moves
  track = !!settings(this).track;
  $(document.body).bind('mousemove', update);
   
  // update at least once
  update(event);
 }
 
 // save elements title before the tooltip is displayed
 function save() {
  // if this is the current source, or it has no title (occurs with click event), stop
  if ( $.tooltip.blocked || this == current || (!this.tooltipText && !settings(this).bodyHandler) )
   return;
  // save current
  current = this;
  title = this.tooltipText;
  
  if ( settings(this).bodyHandler ) {
   helper.title.hide();
   var bodyContent = settings(this).bodyHandler.call(this);
   if (bodyContent.nodeType || bodyContent.jquery) {
    helper.body.empty().append(bodyContent)
   } else {
    helper.body.html( bodyContent );
   }
   helper.body.show();
  } else if ( settings(this).showBody ) {
   var parts = title.split(settings(this).showBody);
   helper.title.html(parts.shift()).show();
   helper.body.empty();
   for(var i = 0, part; (part = parts[i]); i++) {
    if(i > 0)
     helper.body.append("<br/>");
    helper.body.append(part);
   }
   helper.body.hideWhenEmpty();
  } else {
   helper.title.html(title).show();
   helper.body.hide();
  }
  
  // if element has href or src, add and show it, otherwise hide it
  if( settings(this).showURL && $(this).url() )
   helper.url.html( $(this).url().replace('http://', '') ).show();
  else 
   helper.url.hide();
  
  // add an optional class for this tip
  helper.parent.addClass(settings(this).extraClass);
  // fix PNG background for IE
  if (settings(this).fixPNG )
   helper.parent.fixPNG();
   
  handle.apply(this, arguments);
 }
 
 // delete timeout and show helper
 function show() {
  tID = null;
  if ((!IE || !$.fn.bgiframe) && settings(current).fade) {
   if (helper.parent.is(":animated"))
    helper.parent.stop().show().fadeTo(settings(current).fade, current.tOpacity);
   else
    helper.parent.is(':visible') ? helper.parent.fadeTo(settings(current).fade, current.tOpacity) : helper.parent.fadeIn(settings(current).fade);
  } else {
   helper.parent.show();
  }
  update();
 }
 
 /**
  * callback for mousemove
  * updates the helper position
  * removes itself when no current element
  */
 function update(event) {
  if($.tooltip.blocked)
   return;
  
  if (event && event.target.tagName == "OPTION") {
   return;
  }
  
  // stop updating when tracking is disabled and the tooltip is visible
  if ( !track && helper.parent.is(":visible")) {
   $(document.body).unbind('mousemove', update)
  }
  
  // if no current element is available, remove this listener
  if( current == null ) {
   $(document.body).unbind('mousemove', update);
   return; 
  }
  
  // remove position helper classes
  helper.parent.removeClass("viewport-right").removeClass("viewport-bottom");
  
  var left = helper.parent[0].offsetLeft;
  var top = helper.parent[0].offsetTop;
  if (event) {
   // position the helper 15 pixel to bottom right, starting from mouse position
   left = event.pageX + settings(current).left;
   top = event.pageY + settings(current).top;
   var right='auto';
   if (settings(current).positionLeft) {
    right = $(window).width() - left;
    left = 'auto';
   }
   helper.parent.css({
    left: left,
    right: right,
    top: top
   });
  }
  
  var v = viewport(),
   h = helper.parent[0];
  // check horizontal position
  if (v.x + v.cx < h.offsetLeft + h.offsetWidth) {
   left -= h.offsetWidth + 20 + settings(current).left;
   helper.parent.css({left: left + 'px'}).addClass("viewport-right");
  }
  // check vertical position
  if (v.y + v.cy < h.offsetTop + h.offsetHeight) {
   top -= h.offsetHeight + 20 + settings(current).top;
   helper.parent.css({top: top + 'px'}).addClass("viewport-bottom");
  }
 }
 
 function viewport() {
  return {
   x: $(window).scrollLeft(),
   y: $(window).scrollTop(),
   cx: $(window).width(),
   cy: $(window).height()
  };
 }
 
 // hide helper and restore added classes and the title
 function hide(event) {
  if($.tooltip.blocked)
   return;
  // clear timeout if possible
  if(tID)
   clearTimeout(tID);
  // no more current element
  current = null;
  
  var tsettings = settings(this);
  function complete() {
   helper.parent.removeClass( tsettings.extraClass ).hide().css("opacity", "");
  }
  if ((!IE || !$.fn.bgiframe) && tsettings.fade) {
   if (helper.parent.is(':animated'))
    helper.parent.stop().fadeTo(tsettings.fade, 0, complete);
   else
    helper.parent.stop().fadeOut(tsettings.fade, complete);
  } else
   complete();
  
  if( settings(this).fixPNG )
   helper.parent.unfixPNG();
 }
 
})(jQuery);
//-->

