// switchElement('id');
// showElement('id');
// hideElement('id');
// switchElementClass('id', from className, to clasName);
// setElementClass('id', className);
// setText('id', 'newtext');
// switchText('id', 'newtext');
// showURL();
// launchWindow('URL', 'size_x', 'size_y');
// newWindow('URL');
// closePopUp();
// swapImage('obj', 'src');
// getElementsByClass('className');
// doZebra();
// addLoadEvent(function() { function });
// timer("function('id')", time);
// Fat.fade_element('id', fps z.B. 60, duration z.B. 1000, "from z.B. #ffffff", "to z.B. #cc0000" );
function switchElement(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != "none" ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}

function switchElementToBlock(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != "block" ) {
		el.style.display = 'block';
	}
	else {
		el.style.display = 'none';
	}
}

function showElement(obj) {
	var el = document.getElementById(obj);
	el.style.display = '';
	}

function hideElement(obj) {
	var el = document.getElementById(obj);
	el.style.display = 'none';
	}

function switchElementClass(obj, value1, value2) {
	var el = document.getElementById(obj);
	if ( el.className != value1 ) {
		el.className = value1;
	}
	else {
		el.className = value2;
	}
}

function setElementClass(obj, value1) {
	var el = document.getElementById(obj);
	el.className = value1;
	}

function setText(obj, newtext) { 
	var el = document.getElementById(obj);
	el.innerHTML = newtext;
	}

function switchText(obj, newtext, oldtext) {
	var el = document.getElementById(obj);
  	if ( el.innerHTML != newtext ) {
		el.innerHTML = newtext;
	}
	else {
		el.innerHTML = oldtext;
	}
}

function showURL() {
  var url = location.href;
  document.write(url);
  }

function launchWindow(page,size_x,size_y) {
  OpenWin = window.open(page, "PopUp", "toolbar=no,menubar=no,location=no,scrollbars=yes,resizable=no,copyhistory=no,width="+size_x+",height="+size_y);
  }
  
function newWindow(page) {
  OpenWin = window.open(page, "toolbar=yes,menubar=yes,location=yes,scrollbars=auto,resizable=yes,copyhistory=yes,width=auto,height=auto");
  }

function closePopUp() {
  self.close(); 
  }

function swapImage(obj, image) { 
	var el = document.getElementById(obj);
	el.src = image;
	}

function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function doZebra(){
var tables = getElementsByClass('zebra');
    for ( var t = 0; t < tables.length; t++ ) {
    var rows = tables[t].getElementsByTagName("tr");
    for ( var i = 1; i < rows.length; i += 2 )
        if ( !/(^|\s)odd(\s|$)/.test( rows[i].className ) )
            rows[i].className += "odd";
    }
};

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

function timer(action, time) {
  window.setTimeout(action, time);
}

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 ()
	{
		var a = document.getElementsByTagName("*");
		for (var i = 0; i < a.length; i++) 
		{
			var o = a[i];
			var r = /fade-?(\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 = 60;
		if (!duration) duration = 1500;
		if (!from || from=="#") from = "#FFFF33";
		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 == undefined || 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;
	}
}

window.onload = function () 
	{
	Fat.fade_all();
	}



// Funktionen onLoad laden
addLoadEvent(function() {
    doZebra();
  });