addEvent(window, "load", makeNiceTitles);

var XHTMLNS = "http://www.w3.org/1999/xhtml";
var CURRENT_NICE_TITLE;
var browser = new Browser();

var gdom = document.all?(document.getElementById?2:1):
                    (document.getElementById?4:
                    (document.layers?3:0));


function makeNiceTitles() {
    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];
        if (lnk.title) {
            lnk.setAttribute("nicetitle",lnk.title);
            lnk.removeAttribute("title");
            addEvent(lnk,"mouseover",showNiceTitle);
            addEvent(lnk,"mouseout",hideNiceTitle);
            addEvent(lnk,"focus",showNiceTitle);
            addEvent(lnk,"blur",hideNiceTitle);
        }
    }
    var instags = document.getElementsByTagName("ins");
    if (instags) {
    for (var ti=0;ti<instags.length;ti++) {
        var instag = instags[ti];
        if (instag.dateTime) {
            var strDate = instag.dateTime;
            var dtIns = new Date(strDate.substring(0,4),parseInt(strDate.substring(4,6)-1),strDate.substring(6,8),strDate.substring(9,11),strDate.substring(11,13),strDate.substring(13,15));
            instag.setAttribute("nicetitle","Added on "+dtIns.toString());
            addEvent(instag,"mouseover",showNiceTitle);
            addEvent(instag,"mouseout",hideNiceTitle);
            addEvent(instag,"focus",showNiceTitle);
            addEvent(instag,"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("title");
	if (!nicetitle) return;
    
	var d = document.createElementNS(XHTMLNS,"div");
	d.className = "fukidashi";
	
	var img = document.createElementNS(XHTMLNS,"img");
	img.className = "fu";
	img.src = '/imgs/fukidashi/' + nicetitle + '.gif';

	
	d.appendChild(img);
	
    STD_WIDTH = 300;
	w = STD_WIDTH;
	
    mpos = findPosition(lnk);
    mx = mpos[0];
    my = mpos[1];
	
	var ofsty = 0;
	if (navigator.userAgent.toLowerCase().indexOf('firefox') >= 0) {
		ofsty = 0;
	}
    d.style.left = (mx+15) + 'px';
    d.style.top = (my-35-ofsty) + '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";
    }
	if (nicetitle == 'farmersmarket') {
		d.style.left = (mx-76) + 'px';
		d.style.top = (my-30-ofsty) + 'px';
	}
	/*
    if (window.height && ((my+35) > window.height)) {
        d.style.top = (my-35) + 'px';
    }
	*/
    
    document.getElementsByTagName("body")[0].appendChild(d);
	
	//d = initDivSize(d);
	var dh = getDivHeight(d);
    if (window.innerHeight && ((my+72+dh) > window.innerHeight)) {
        d.style.top = (my - dh - ofsty) + 'px';
    }
    if (document.body.scrollHeight && ((my+72+dh) > document.body.scrollHeight)) {
        d.style.top = (my - dh - ofsty) + 'px';
    }
    if (document.body.clientHeight && ((my+72+dh) > document.body.clientHeight)) {
        d.style.top = (my - dh - ofsty) + 'px';
    }
    if (document.documentElement.clientHeight && ((my+72+dh) > document.documentElement.clientHeight)) {
        d.style.top = (my - dh - ofsty) + 'px';
    }
	
    
    CURRENT_NICE_TITLE = d;
}

function initDivSize(thisdiv){
  if(gdom == 4){
    thisdiv.style.width = thisdiv.offsetWidth +'px';
    thisdiv.style.height = thisdiv.offsetHeight+'px';
  } else if(gdom == 2 || gdom == 1){
    thisdiv.style.pixelWidth = thisdiv.offsetWidth;
    thisdiv.style.pixelHeight = thisdiv.offsetHeight;
  }
  return thisdiv;
}

function getDivHeight(thisdiv){
  if(gdom == 4 || gdom == 2) return thisdiv.offsetHeight;
  if(gdom == 1)            return thisdiv.style.pixelHeight;
  if(gdom == 3)            return thisdiv.clip.height;
  return 0;
}

function hideNiceTitle(e) {
    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, true);
    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;
  }
}