addEvent(window, "load", makeNiceTitles);

var XHTMLNS = "http://www.w3.org/1999/xhtml";
var CURRENT_NICE_TITLE;
var browser = new Browser();
var d,timer =null;
	
function makeNiceTitles() {
	delay=600;
	if (!document.createElement || !document.getElementsByTagName) return;
    // add namespace methods to HTML DOM; this makes the script work in both
    // HTML and XML contexts.
    if(!document.createElementNS)
    {
        document.createElementNS = function(ns,elt) {
            return document.createElement(elt);
        }
    }
	
  if( !document.links )
    {
        document.links = document.getElementsByTagName("a");
    }
    for (var ti=0;ti<document.links.length;ti++) {
        var lnk = document.links[ti];
	class = lnk.getAttribute("class");
        if (lnk.title  && class == "ttl") {
            lnk.setAttribute("nicetitle",lnk.title);
            lnk.removeAttribute("title");
            addEvent(lnk,"mouseover",showNiceTitle);
            addEvent(lnk,"mouseout",hideNiceTitle);
            addEvent(lnk,"focus",showNiceTitle);
            addEvent(lnk,"blur",hideNiceTitle);
        }
    }
  
    document.divs = document.getElementsByTagName("span");
        for (var ti=0;ti<document.divs.length;ti++) {
        var tmp = document.divs[ti];
		class = tmp.getAttribute("class");
	if (tmp.title && class == "ttl") {
            tmp.setAttribute("nicetitle",tmp.title);
            tmp.removeAttribute("title");
            addEvent(tmp,"mouseover",showNiceTitle);
            addEvent(tmp,"mouseout",hideNiceTitle);
            addEvent(tmp,"focus",showNiceTitle);
            addEvent(tmp,"blur",hideNiceTitle);
        }
    }
	document.divs = document.getElementsByTagName("img");
        for (var ti=0;ti<document.divs.length;ti++) {
        var tmp = document.divs[ti];
		class = tmp.getAttribute("class");
	if (tmp.title && class == "ttl") {
            tmp.setAttribute("nicetitle",tmp.title);
            tmp.removeAttribute("title");
            addEvent(tmp,"mouseover",showNiceTitle);
            addEvent(tmp,"mouseout",hideNiceTitle);
            addEvent(tmp,"focus",showNiceTitle);
            addEvent(tmp,"blur",hideNiceTitle);
        }
    }
} 

function findPosition( oLink ) {
  if( oLink.offsetParent ) {
    for( var posX = 0, posY = 0; oLink.offsetParent; oLink = oLink.offsetParent ) {
      posX += oLink.offsetLeft;
      posY += oLink.offsetTop;
    }
    return [ posX, posY ];
  } else {
    return [ oLink.x, oLink.y ];
  }
}

function showNiceTitle(e) {
    if (CURRENT_NICE_TITLE) hideNiceTitle(CURRENT_NICE_TITLE);
    if (!document.getElementsByTagName) return;
    if (window.event && window.event.srcElement) {
        lnk = window.event.srcElement
    } else if (e && e.target) {
        lnk = e.target
    }
    if (!lnk) return;
    if (lnk.nodeType == 3) {
        // lnk is a textnode -- ascend parents until we hit a link
        lnk = getParent(lnk,"A");
    }
    if (!lnk) return;
    nicetitle = lnk.getAttribute("nicetitle");
	
		
	d = document.createElementNS(XHTMLNS,"div");
	d.style.visibility="hidden";
	
	if(lnk.getAttribute("class")){
		d.className = lnk.getAttribute("class") + "NT";
		}else if(lnk.className){
		d.className= lnk.className+ "NT";
		}else{
		d.className = "nicetitle";
		}
	
	var tmptitles=nicetitle.split("|");
	for(var i=0;i<tmptitles.length;i++){
		if(tmptitles[i].length>0){
		if(tmptitles[i].match(/\[img(.*)/gi) && i==1){
			tnt = document.createElementNS(XHTMLNS,"img");
			srcim=tmptitles[i].replace(/\[img src='(.*)' \/\]/i,"$1");
			tnt.setAttribute("src",srcim);
		}else{
			tnt = document.createTextNode(tmptitles[i]);
		}
		pat = document.createElementNS(XHTMLNS,"div");
		pat.className = d.className + i;
		pat.appendChild(tnt);
		d.appendChild(pat);
		}
	}
		
	STD_WIDTH = 300;
    if (lnk.href) {
        h = lnk.href.length;
    } else { h = nicetitle.length; }
    if (nicetitle.length) {
      t = nicetitle.length;
    }
    h_pixels = h*6; t_pixels = t*10;
    
    if (h_pixels > STD_WIDTH) {
        w = h_pixels;
    } else if ((STD_WIDTH>t_pixels) && (t_pixels>h_pixels)) {
        w = t_pixels;
    } else if ((STD_WIDTH>t_pixels) && (h_pixels>t_pixels)) {
        w = h_pixels;
    } else {
        w = STD_WIDTH;
    }
        
    d.style.width = w + 'px';    

    /*
    mx = lnk.offsetLeft;
    my = lnk.offsetTop;
    */
    mpos = findPosition(lnk);
 /* var delay=200;
  if (delay)
    timer = setTimeout("doShowNiceTitle(["+mpos[0]+","+mpos[1]+"])",delay);
  else
    doShowNiceTitle(mpos);
   */
    mx = mpos[0];
    my = mpos[1];
    //xy = getMousePosition(e);
    //mx = xy[0]; my = xy[1];
    
    d.style.left = (mx+15) + 'px';
    d.style.top = (my+35) + 'px';
    if (window.innerWidth && ((mx+w) > window.innerWidth)) {
        d.style.left = (window.innerWidth - w - 25) + "px";
    }
    if (document.body.scrollWidth && ((mx+w) > document.body.scrollWidth)) {
        d.style.left = (document.body.scrollWidth - w - 25) + "px";
    }

 document.getElementsByTagName("body")[0].appendChild(d);
    CURRENT_NICE_TITLE = d;
	
	timer = setTimeout("d.style.visibility=\"visible\"",delay);
    	
}


function hideNiceTitle(e) {
  if (timer)
  {
    clearTimeout(timer);
    timer = null;
  }
    if (!document.getElementsByTagName) return;
    if (CURRENT_NICE_TITLE) {
        document.getElementsByTagName("body")[0].removeChild(CURRENT_NICE_TITLE);
        CURRENT_NICE_TITLE = null;
    }
}

// Add an eventListener to browsers that can do it somehow.
// Originally by the amazing Scott Andrew.
function addEvent(obj, evType, fn){
  if (obj.addEventListener){
    obj.addEventListener(evType, fn, false);
    return true;
  } else if (obj.attachEvent){
	var r = obj.attachEvent("on"+evType, fn);
    return r;
  } else {
	return false;
  }
}

function getParent(el, pTagName) {
	if (el == null) return null;
	else if (el.nodeType == 1 && el.tagName.toLowerCase() == pTagName.toLowerCase())	// Gecko bug, supposed to be uppercase
		return el;
	else
		return getParent(el.parentNode, pTagName);
}

function getMousePosition(event) {
  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }
  return [x,y];
}

// Determine browser and version.

function Browser() {
// blah, browser detect, but mouse-position stuff doesn't work any other way
  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}
