/*
Sweet Titles (c) Creative Commons 2005
http://creativecommons.org/licenses/by-sa/2.5/
Author: Dustin Diaz | http://www.dustindiaz.com
*/
var sweetTitles = { 
  xCord : 0,        // @Number: x pixel value of current cursor position
  yCord : 0,        // @Number: y pixel value of current cursor position
  tipElements : ['a','abbr','acronym'], // @Array: Allowable elements that can have the toolTip
  obj : Object,     // @Element: That of which you're hovering over
  tip : Object,     // @Element: The actual toolTip itself
  active : 0,       // @Number: 0: Not Active || 1: Active
  init : function() {
    if ( !document.getElementById ||
      !document.createElement ||
      !document.getElementsByTagName ) {
      return;
    }
    var i,j;
    this.tip = document.createElement('div');
    this.tip.id = 'toolTip';
    document.getElementsByTagName('body')[0].appendChild(this.tip);
    this.tip.style.top = '0';
    this.tip.style.visibility = 'hidden';
    
    var tipLen = this.tipElements.length;
    for ( i=0; i<tipLen; i++ ) {
      var current = document.getElementsByTagName(this.tipElements[i]);
      var curLen = current.length;
      for ( j=0; j<curLen; j++ ) {
        addEvent(current[j],'mouseover',this.tipOver);
        addEvent(current[j],'mouseout',this.tipOut);
        current[j].setAttribute('tip',current[j].title);
        current[j].removeAttribute('title');
      }
    }
  },
  updateXY : function(e) {
    if ( document.captureEvents ) {
      sweetTitles.xCord = e.pageX;
      sweetTitles.yCord = e.pageY;
    } else if ( window.event.clientX ) {
      sweetTitles.xCord = window.event.clientX+document.documentElement.scrollLeft;
      sweetTitles.yCord = window.event.clientY+document.documentElement.scrollTop;
    }
  },
  tipOut: function() {
    if ( window.tID ) {
      clearTimeout(tID);
    }
    if ( window.opacityID ) {
      clearTimeout(opacityID);
    }
    sweetTitles.tip.style.visibility = 'hidden';
  },
  checkNode : function() {
    var trueObj = this.obj;
    if ( this.tipElements.inArray(trueObj.nodeName.toLowerCase()) ) {
      return trueObj;
    } else {
      return trueObj.parentNode;
    }
  },
  tipOver : function(e) {
    sweetTitles.obj = this;
    tID = window.setTimeout("sweetTitles.tipShow()",500)
    sweetTitles.updateXY(e);
  },
  tipShow : function() {    
    var scrX = Number(this.xCord);
    var scrY = Number(this.yCord);
    var tp = parseInt(scrY+15);
    var lt = parseInt(scrX+10);
    var anch = this.checkNode();
    var addy = '';
    var access = '';
    if ( anch.nodeName.toLowerCase() == 'a' ) {
      
      var host = location.hostname.toString();
      var pattern = new RegExp("(http://?)"+host,"gi");
      var fullPath = anch.href.toString();
      var path = fullPath.replace(pattern,'');
      
      addy = (path.length > 25 ? path.toString().substring(0,25)+"..." : path);
      var access = ( anch.accessKey ? ' <span>['+anch.accessKey+']</span> ' : '' );
    } else {
      addy = anch.firstChild.nodeValue;
    }
    this.tip.innerHTML = "<p>"+anch.getAttribute('tip')+"<em>"+access+addy+"</em></p>";
    if ( parseInt(document.documentElement.clientWidth+document.documentElement.scrollLeft) < parseInt(this.tip.offsetWidth+lt) ) {
      this.tip.style.left = parseInt(lt-(this.tip.offsetWidth+10))+'px';
    } else {
      this.tip.style.left = lt+'px';
    }
    if ( parseInt(document.documentElement.clientHeight+document.documentElement.scrollTop) < parseInt(this.tip.offsetHeight+tp) ) {
      this.tip.style.top = parseInt(tp-(this.tip.offsetHeight+10))+'px';
    } else {
      this.tip.style.top = tp+'px';
    }
    this.tip.style.visibility = 'visible';
    this.tip.style.opacity = '.1';
    this.tipFade(10);
  },
  tipFade: function(opac) {
    var passed = parseInt(opac);
    var newOpac = parseInt(passed+10);
    if ( newOpac < 80 ) {
      this.tip.style.opacity = '.'+newOpac;
      this.tip.style.filter = "alpha(opacity:"+newOpac+")";
      opacityID = window.setTimeout("sweetTitles.tipFade('"+newOpac+"')",20);
    }
    else { 
      this.tip.style.opacity = '.80';
      this.tip.style.filter = "alpha(opacity:80)";
    }
  }
};
function pageLoader() {
  sweetTitles.init();
}
addEvent(window,'load',pageLoader);