/**
 * modFunctions v0.1: Useful Javascript Functions
 *
 * (c) 2007 Jürgen Achberger, come medien ag 
 * achberger@come.de
 *
 * Released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *
 */


// Project functions

function fadeOut () {
	
	changeOpacity(document.getElementById("maincontent"), 0.2);
	changeOpacity(document.getElementById("metacontent"), 0.2);
}

function fadeIn () {
	
	changeOpacity(document.getElementById("maincontent"), 0.8);
	changeOpacity(document.getElementById("metacontent"), 0.8);
}



// General functions

// o = css standard conform opacity (0 <= o <= 1) 
function changeOpacity (el, o) {
	
	el.style.filter="alpha(opacity:" + o*100 + ")";
	el.style.KHTMLOpacity=o;
	el.style.MozOpacity=o;
	el.style.opacity=o;	
}

function getURLFilename() {		// Dateiname ohne Pfad

	var filename = String("");

	var args = window.location.pathname.split("/");
	filename = args[(args.length-1)];

	return filename;
}

function changeFilenameExtension(filename, newExtension) {

	var newFilename = String("");
	
	var args = filename.split(".");
	args[(args.length-1)] = newExtension;

	for(i = 0; i < args.length; i++) {
		
		if (i > 0) newFilename += ".";
		newFilename += args[i];
	}
	
	return newFilename;
}

function UnCryptMailto(s, shift) {
	var n=0;
	var r="";
	for(var i=0;i<s.length;i++) { 
		n=s.charCodeAt(i); 
		if (n>=8364) {n = 128;}
		r += String.fromCharCode(n-(shift)); 
	}
	return r;
}

function linkTo_UnCryptMailto(s, shift)	{

//alert(shift);
//Shift wird in der HTML Seite im Head definiert und im href bereits nur als Variable benutzt.

	location.href=UnCryptMailto(s, shift);
}

/**
 * Adobe Dreamweaver Functions
 *
 * Copyright Adobe Systems
 *
 */

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}