//add hover state to table rows
var expandCollapse = function(e) {
   var elTarget = YAHOO.util.Event.getTarget(e);
	while (elTarget.nodeName.toUpperCase() != "A") { 
      elTarget = elTarget.parentNode;
   }
   var arrow = elTarget.getElementsByTagName("img")[0];
   var the_item = arrow.parentNode.parentNode;
   var divs = the_item.getElementsByTagName("div");
   if (divs.length > 0) {
      YAHOO.util.Event.preventDefault(e);
      var the_div = divs[0];
      if (YAHOO.util.Dom.getStyle(the_div, 'display') == 'block') {
         arrow.src = '/images/arrow_right.gif';
         YAHOO.util.Dom.setStyle(the_div, 'display', 'none');
      } else {
         arrow.src = '/images/arrow_down.gif';   
         YAHOO.util.Dom.setStyle(the_div, 'display', 'block');
      }
      return false;
   } else {
      return true;
   }
}

function addExpandCollapse() {
   if (YAHOO.util.Dom.hasClass(document.body, 'home')) {
      var home_side = document.getElementById("sidebar");
      if (typeof(home_side) != 'undefined') {
         var expand_item = home_side.getElementsByTagName("li");
         for (var i=0; i<expand_item.length; i++) {   
            var the_item = expand_item[i];
            var the_link = the_item.getElementsByTagName("a")[0];
            if (the_link.parentNode.nodeName.toUpperCase() == "SPAN") {
               the_link = the_item.getElementsByTagName("a")[1];
            }
            YAHOO.util.Event.addListener(the_link, "click", expandCollapse);
            var arrow = document.createElement('img');
            arrow.setAttribute('src', '/images/arrow_right.gif');
            the_link.appendChild(arrow);
         }
      }
   }
}
YAHOO.util.Event.onDOMReady(addExpandCollapse);

//add top/bottom gradient to content-wrap separator bar
function addGradient() {
   var content_wrap = document.getElementById("content-wrap");
   var top_bar = document.createElement('div');
   var bottom_bar = document.createElement('div');
   top_bar.setAttribute('id', 'content-wrap-top');
   bottom_bar.setAttribute('id', 'content-wrap-bottom');
   content_wrap.appendChild(top_bar);
   content_wrap.appendChild(bottom_bar);
}
YAHOO.util.Event.onDOMReady(addGradient);

function openSizedWindowPlain(url, name, myHeight, myWidth) 
{
   popupWin = window.open(url, name, 'scrollbars=no,resizable=no,status=no,personal=no,menu=no,location=no,toolbar=no,left=20,top=20,width=' +myWidth+',height='+myHeight+'');
}

// Simulates PHP's date function
Date.prototype.format = function(format) {
	var returnStr = '';
	var replace = Date.replaceChars;
	for (var i = 0; i < format.length; i++) {
		var curChar = format.charAt(i);
		if (replace[curChar]) {
			returnStr += replace[curChar].call(this);
		} else {
			returnStr += curChar;
		}
	}
	return returnStr;
};
Date.replaceChars = {
	shortMonths: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
	longMonths: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
	shortDays: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
	longDays: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
	
	// Day
	d: function() { return (this.getDate() < 10 ? '0' : '') + this.getDate(); },
	D: function() { return Date.replaceChars.shortDays[this.getDay()]; },
	j: function() { return this.getDate(); },
	l: function() { return Date.replaceChars.longDays[this.getDay()]; },
	N: function() { return this.getDay() + 1; },
	S: function() { return (this.getDate() % 10 == 1 && this.getDate() != 11 ? 'st' : (this.getDate() % 10 == 2 && this.getDate() != 12 ? 'nd' : (this.getDate() % 10 == 3 && this.getDate() != 13 ? 'rd' : 'th'))); },
	w: function() { return this.getDay(); },
	z: function() { return "Not Yet Supported"; },
	// Week
	W: function() { return "Not Yet Supported"; },
	// Month
	F: function() { return Date.replaceChars.longMonths[this.getMonth()]; },
	m: function() { return (this.getMonth() < 11 ? '0' : '') + (this.getMonth() + 1); },
	M: function() { return Date.replaceChars.shortMonths[this.getMonth()]; },
	n: function() { return this.getMonth() + 1; },
	t: function() { return "Not Yet Supported"; },
	// Year
	L: function() { return "Not Yet Supported"; },
	o: function() { return "Not Supported"; },
	Y: function() { return this.getFullYear(); },
	y: function() { return ('' + this.getFullYear()).substr(2); },
	// Time
	a: function() { return this.getHours() < 12 ? 'am' : 'pm'; },
	A: function() { return this.getHours() < 12 ? 'AM' : 'PM'; },
	B: function() { return "Not Yet Supported"; },
	g: function() { return this.getHours() % 12 || 12; },
	G: function() { return this.getHours(); },
	h: function() { return ((this.getHours() % 12 || 12) < 10 ? '0' : '') + (this.getHours() % 12 || 12); },
	H: function() { return (this.getHours() < 10 ? '0' : '') + this.getHours(); },
	i: function() { return (this.getMinutes() < 10 ? '0' : '') + this.getMinutes(); },
	s: function() { return (this.getSeconds() < 10 ? '0' : '') + this.getSeconds(); },
	// Timezone
	e: function() { return "Not Yet Supported"; },
	I: function() { return "Not Supported"; },
	O: function() { return (this.getTimezoneOffset() < 0 ? '-' : '+') + (this.getTimezoneOffset() / 60 < 10 ? '0' : '') + (this.getTimezoneOffset() / 60) + '00'; },
	T: function() { return "Not Yet Supported"; },
	Z: function() { return this.getTimezoneOffset() * 60; },
	// Full Date/Time
	c: function() { return "Not Yet Supported"; },
	r: function() { return this.toString(); },
	U: function() { return this.getTime() / 1000; }
};