/************************************************************************************************
* originally written by paul sowden <paul@idontsmoke.co.uk> | http://idontsmoke.co.uk           *
* modified and localized by alexander shurkayev <alshur@narod.ru> | http://htmlcoder.visions.ru *
*************************************************************************************************/

window.onerror = null;
var tooltip_attr_name = "tooltip";
var tooltip_blank_text = "";
var tooltip_newline_entity = " ";
var tooltip_max_width = "400"

//
// Zastapione wywolaniem w glownym indexie
// window.onload = function(e) { if (document.createElement) tooltip.d(); };
//

tooltip =
 {
  t: document.createElement("DIV"),
  c: null,
  g: false,

  m: function(e)
   {
    if (tooltip.g)
     {
      oCanvas = document.getElementsByTagName( (document.compatMode && document.compatMode == "CSS1Compat") ? "HTML" : "BODY")[0];
      x = window.event ? event.clientX + oCanvas.scrollLeft : e.pageX;
      y = window.event ? event.clientY + oCanvas.scrollTop : e.pageY;
      tooltip.a(x, y);
     }
   },

  d: function()
   {
    tooltip.t.setAttribute("id", "tooltip");

    document.body.appendChild(tooltip.t);
    a = document.all ? document.all : document.getElementsByTagName("*");
    aLength = a.length;
    for (var i = 0; i < aLength; i++)
     {
      tooltip_title = a[i].getAttribute("title");
      tooltip_alt = a[i].getAttribute("alt");
      tooltip_blank = a[i].getAttribute("target") && a[i].getAttribute("target") == "_blank" && tooltip_blank_text;
      if (tooltip_title || tooltip_blank)
       {
	a[i].setAttribute(tooltip_attr_name, tooltip_blank ? (tooltip_title ? tooltip_title + " " + tooltip_blank_text : tooltip_blank_text) : tooltip_title);
	if (a[i].getAttribute(tooltip_attr_name))
	 {
	  a[i].removeAttribute("title");
	  if (tooltip_alt && a[i].complete) a[i].removeAttribute("alt");
	  tooltip.l(a[i], "mouseover", tooltip.s);
	  tooltip.l(a[i], "mouseout", tooltip.h);
	 }
       } else if (tooltip_alt && a[i].complete)
       {
	a[i].setAttribute(tooltip_attr_name, tooltip_alt);
	if (a[i].getAttribute(tooltip_attr_name))
	 {
	  a[i].removeAttribute("alt");
	  tooltip.l(a[i], "mouseover", tooltip.s);
	  tooltip.l(a[i], "mouseout", tooltip.h);
	 }
       }

      if (!a[i].getAttribute(tooltip_attr_name) && tooltip_blank)
       { }
     }
    document.onmousemove = tooltip.m;
    window.onscroll = tooltip.h;
   },

  s: function(e)
   {
    d = window.event ? window.event.srcElement : e.currentTarget;
    if (!d.getAttribute(tooltip_attr_name)) return;
    if (tooltip.t.firstChild) tooltip.t.removeChild(tooltip.t.firstChild);
    tooltip.t.appendChild(document.createTextNode(d.getAttribute(tooltip_attr_name)));

    r = d.getAttribute(tooltip_attr_name);
    re = /  /ig;
    tooltip.t.innerHTML = r.replace(re, "<br />");
	
    tooltip.c = setTimeout("tooltip.t.style.visibility = 'visible';", 1);
    tooltip.g = true;

   },

  h: function(e)
   {
    tooltip.t.style.visibility = "hidden";
    if (!tooltip_newline_entity && tooltip.t.firstChild) tooltip.t.removeChild(tooltip.t.firstChild);
    clearTimeout(tooltip.c);
    tooltip.g = false;
    tooltip.a(-99, -99);
   },

  l: function(o, e, a)
   {
    if (o.addEventListener) o.addEventListener(e, a, false); // was true--Opera7b workaround!
     else if (o.attachEvent) o.attachEvent("on" + e, a);
     else return null;
   },

  a: function(x, y)
   {
    oCanvas = document.getElementsByTagName((document.compatMode && document.compatMode == "CSS1Compat") ? "HTML" : "BODY")[0];

    w_width = window.innerWidth ? window.innerWidth + window.pageXOffset : oCanvas.clientWidth + oCanvas.scrollLeft;
    w_height = window.innerHeight ? window.innerHeight + window.pageYOffset : oCanvas.clientHeight + oCanvas.scrollTop;

    tooltip.t.style.width = "auto";

    t_width = window.event ? tooltip.t.clientWidth : tooltip.t.offsetWidth;
    t_height = window.event ? tooltip.t.clientHeight : tooltip.t.offsetHeight;

    if (t_width > tooltip_max_width)
     {
      tooltip.t.style.width = tooltip_max_width + "px";
      t_width = window.event ? tooltip.t.clientWidth : tooltip.t.offsetWidth;
     }

    t_extra_width = 7; // CSS padding + borderWidth;
    t_extra_height = 5; // CSS padding + borderWidth;

    tooltip.t.style.left = x + 8 + "px";
    tooltip.t.style.top = y + 8 + "px";

    while (x + t_width + t_extra_width > w_width)
     {
      --x;
      tooltip.t.style.left = x + "px";
      t_width = window.event ? tooltip.t.clientWidth : tooltip.t.offsetWidth;
     }

    while (y + t_height + t_extra_height > w_height)
     {
      --y;
      tooltip.t.style.top = y + "px";
      t_height = window.event ? tooltip.t.clientHeight : tooltip.t.offsetHeight;
     }
   }
 }

