function hasClass(obj) {
	var result = false;
	if (obj.getAttributeNode("class") != null) {
	 result = obj.getAttributeNode("class").value;
	}
	return result;
}

function stripe(id) {
	var even = false;
	var evenColor = arguments[1] ? arguments[1] : "#fff";
	var oddColor = arguments[2] ? arguments[2] : "#eee";
	var table = document.getElementById(id);
	if (! table) { return; }
	var tbodies = table.getElementsByTagName("tbody");
	for (var h = 0; h < tbodies.length; h++) {
	  var trs = tbodies[h].getElementsByTagName("tr");
	  for (var i = 0; i < trs.length; i++) {
	    if (! hasClass(trs[i]) &&
	        ! trs[i].style.backgroundColor) {
	      var tds = trs[i].getElementsByTagName("td");
	      for (var j = 0; j < tds.length; j++) {
	        var mytd = tds[j];
	        if (! hasClass(mytd) &&
	            ! mytd.style.backgroundColor) {
	          mytd.style.backgroundColor =
	            even ? evenColor : oddColor;
	        }
	      }
	    }
	    even =  ! even;
	  }
	}
}

function findZebras() {
    if (!document.getElementsByTagName) return;
    tblList = document.getElementsByTagName("table");
    for (ti=0;ti<tblList.length;ti++) {
        thisTbl = tblList[ti];
        if (((' '+thisTbl.className+' ').indexOf("zebra") != -1) && (thisTbl.id)) {
            stripe(thisTbl.id, '#ffffff', '#edf3fe');
        }
    }
}

// fading messages
// @see http://www.axentric.com/aside/fat/
var Fat = {
	make_hex : function (r,g,b)
	{
		r = r.toString(16); if (r.length == 1) r = '0' + r;
		g = g.toString(16); if (g.length == 1) g = '0' + g;
		b = b.toString(16); if (b.length == 1) b = '0' + b;
		return "#" + r + g + b;
	},
	fade_all : function ()
	{
	if (!document.getElementsByTagName) return;

	var a = document.getElementsByTagName("*");
		for (var i = 0; i < a.length; i++)
		{
			var o = a[i];
			var r = /fader-?(\w{3,6})?/.exec(o.className);
			if (r)
			{
				if (!r[1]) r[1] = "";
				if (o.id) Fat.fade_element(o.id,null,null,"#"+r[1]);
			}
		}
	},
	fade_element : function (id, fps, duration, from, to)
	{
		if (!fps) fps = 30;
		if (!duration) duration = 3000;
		if (!from || from=="#") from = "#00FF00"; // default color if not specified
		if (!to) to = this.get_bgcolor(id);

		var frames = Math.round(fps * (duration / 1000));
		var interval = duration / frames;
		var delay = interval;
		var frame = 0;

		if (from.length < 7) from += from.substr(1,3);
		if (to.length < 7) to += to.substr(1,3);

		var rf = parseInt(from.substr(1,2),16);
		var gf = parseInt(from.substr(3,2),16);
		var bf = parseInt(from.substr(5,2),16);
		var rt = parseInt(to.substr(1,2),16);
		var gt = parseInt(to.substr(3,2),16);
		var bt = parseInt(to.substr(5,2),16);

		var r,g,b,h;
		while (frame < frames)
		{
			r = Math.floor(rf * ((frames-frame)/frames) + rt * (frame/frames));
			g = Math.floor(gf * ((frames-frame)/frames) + gt * (frame/frames));
			b = Math.floor(bf * ((frames-frame)/frames) + bt * (frame/frames));
			h = this.make_hex(r,g,b);

			setTimeout("Fat.set_bgcolor('"+id+"','"+h+"')", delay);

			frame++;
			delay = interval * frame;
		}

		setTimeout("Fat.set_bgcolor('"+id+"','"+to+"')", delay);
	},
	set_bgcolor : function (id, c)
	{
		var o = document.getElementById(id);
		o.style.backgroundColor = c;
	},
	get_bgcolor : function (id)
	{
		var o = document.getElementById(id);
		while(o)
		{
			var c;
			if (window.getComputedStyle) c = window.getComputedStyle(o,null).getPropertyValue("background-color");
			if (o.currentStyle) c = o.currentStyle.backgroundColor;
			if ((c != "" && c != "transparent") || o.tagName == "BODY") { break; }
			o = o.parentNode;
		}
		if (c == "" || c == "transparent") c = "#FFFFFF";
		var rgb = c.match(/rgb\s*\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)/);
		if (rgb) c = this.make_hex(parseInt(rgb[1]),parseInt(rgb[2]),parseInt(rgb[3]));
		return c;
	}
}

function startNifty() {
  if(!NiftyCheck()) { return; }
  Rounded("blockquote","all","#FFF","#3399CC","smooth");
  Rounded("div#nifty","all","#FFF","#3399CC","smooth");
}

function pop(ref) {
	infowin = window.open(ref,"info","height=500,width=720, scrollbars=1");
}


function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

addLoadEvent(startNifty);
addLoadEvent(findZebras);
addLoadEvent(Fat.fade_all);
// emulates :target for IE
suckerfish(sfTarget, "div");