function myNavi (num, lan, langlink) {
	var Buffer = "<div class='htmlnavi'>";
	Buffer = Buffer + "<div class='langbutts'>";
	Buffer = Buffer + "<a href='http:\/\/twitter.com\/CologneGameLab'><img src='htmlnavi\/social_f.gif' class='socialbutt'><\/a>";
	Buffer = Buffer + "<a href='http:\/\/www.facebook.com\/pages\/Cologne-Germany\/Cologne-Game-Lab\/110746315608103'><img src='htmlnavi\/social_t.gif' class='socialbutt'><\/a>";
	Buffer = Buffer + "<a href='cgl_rss_news.php'><img src='htmlnavi\/social_rss.gif' class='socialbutt'><\/a>";
	Buffer = Buffer + "<a href='mailto:info@colognegamelab.de'><img src='htmlnavi\/social_mail.gif' class='socialbutt'><\/a>";	
	if (langlink == "") {
		if (lan == "deu") {
			if (num == "1") {
				langlink = "index_eng.php";
			} else if (num == "2") {
				langlink = "blog_eng.php";
			} else if (num == "3") {
				langlink = "institut_eng.php";
			} else if (num == "4") {
				langlink = "studieren_eng.php";
			} else if (num == "5") {
				langlink = "forschen_eng.php";
			} else if (num == "6") {
				langlink = "weiterbilden_eng.php";
			} else if (num == "7") {
				langlink = "kontakt_eng.php";
			} else {
				langlink = "index_eng.php";
			}
		} else {
			if (num == "1") {
				langlink = "index.php";
			} else if (num == "2") {
				langlink = "blog.php";
			} else if (num == "3") {
				langlink = "institut.php";
			} else if (num == "4") {
				langlink = "studieren.php";
			} else if (num == "5") {
				langlink = "forschen.php";
			} else if (num == "6") {
				langlink = "weiterbilden.php";
			} else if (num == "7") {
				langlink = "kontakt.php";
			} else {
				langlink = "index.php";
			}
		}
	} else {
		langlink = urlDecode(langlink);
	}
	if (lan == "deu") {
		Buffer = Buffer + "<a href='" + langlink + "'><img src='htmlnavi\/eng.gif'><\/a>";
		Buffer = Buffer + "<img src='htmlnavi\/deu_sel.gif'>";
	} else {
		Buffer = Buffer + "<img src='htmlnavi\/eng_sel.gif'>";
		Buffer = Buffer + "<a href='" + langlink + "'><img src='htmlnavi\/deu.gif'><\/a>";
	}
	Buffer = Buffer + "<\/div>";
	
	Buffer = Buffer + "<div class='navbutts'>";

	if (lan == "deu") {
		if (num != "1") {
			Buffer = Buffer + "<a href='index.php'><img src='htmlnavi\/home.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='index.php'><img src='htmlnavi\/home_sel.gif'><\/a>";
		}
		if (num != "2") {
			Buffer = Buffer + "<a href='blog.php'><img src='htmlnavi\/blog.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='blog.php'><img src='htmlnavi\/blog_sel.gif'><\/a>";
		}
		if (num != "3") {
			Buffer = Buffer + "<a href='institut.php'><img src='htmlnavi\/institut.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='institut.php'><img src='htmlnavi\/institut_sel.gif'><\/a>";
		}
		if (num != "4") {
			Buffer = Buffer + "<a href='studieren.php'><img src='htmlnavi\/studieren.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='studieren.php'><img src='htmlnavi\/studieren_sel.gif'><\/a>";
		}
		if (num != "5") {
			Buffer = Buffer + "<a href='forschen.php'><img src='htmlnavi\/forschen.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='forschen.php'><img src='htmlnavi\/forschen_sel.gif'><\/a>";
		}
		if (num != "6") {
			Buffer = Buffer + "<a href='weiterbilden.php'><img src='htmlnavi\/weiterbilden.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='weiterbilden.php'><img src='htmlnavi\/weiterbilden_sel.gif'><\/a>";
		}
		if (num != "7") {
			Buffer = Buffer + "<a href='kontakt.php'><img src='htmlnavi\/kontakt.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='kontakt.php'><img src='htmlnavi\/kontakt_sel.gif'><\/a>";
		}
	} else {
		if (num != "1") {
			Buffer = Buffer + "<a href='index_eng.php'><img src='htmlnavi\/home.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='index_eng.php'><img src='htmlnavi\/home_sel.gif'><\/a>";
		}
		if (num != "2") {
			Buffer = Buffer + "<a href='blog_eng.php'><img src='htmlnavi\/blog.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='blog_eng.php'><img src='htmlnavi\/blog_sel.gif'><\/a>";
		}
		if (num != "3") {
			Buffer = Buffer + "<a href='institut_eng.php'><img src='htmlnavi\/institut_e.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='institut_eng.php'><img src='htmlnavi\/institut_e_sel.gif'><\/a>";
		}
		if (num != "4") {
			Buffer = Buffer + "<a href='studieren_eng.php'><img src='htmlnavi\/studieren_e.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='studieren_eng.php'><img src='htmlnavi\/studieren_e_sel.gif'><\/a>";
		}
		if (num != "5") {
			Buffer = Buffer + "<a href='forschen_eng.php'><img src='htmlnavi\/forschen_e.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='forschen_eng.php'><img src='htmlnavi\/forschen_e_sel.gif'><\/a>";
		}
		if (num != "6") {
			Buffer = Buffer + "<a href='weiterbilden_eng.php'><img src='htmlnavi\/weiterbilden_e.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='weiterbilden_eng.php'><img src='htmlnavi\/weiterbilden_e_sel.gif'><\/a>";
		}
		if (num != "7") {
			Buffer = Buffer + "<a href='kontakt_eng.php'><img src='htmlnavi\/kontakt_e.gif'><\/a>";
		} else {
			Buffer = Buffer + "<a href='kontakt_eng.php'><img src='htmlnavi\/kontakt_e_sel.gif'><\/a>";
		}
	}
	Buffer = Buffer + "<\/div>";
	
	Buffer = Buffer + "<\/div>";
	
	document.writeln(Buffer);
	return true;
}

  // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Global_Functions/encodeURIComponent#Description
function urlEncode( s ) {
      return encodeURIComponent( s ).replace( /\%20/g, '+' ).replace( /!/g, '%21' ).replace( /'/g, '%27' ).replace( /\(/g, '%28' ).replace( /\)/g, '%29' ).replace( /\*/g, '%2A' ).replace( /\~/g, '%7E' );
   }
   
function urlDecode( s ) {
      return decodeURIComponent( s.replace( /\+/g, '%20' ).replace( /\%21/g, '!' ).replace( /\%27/g, "'" ).replace( /\%28/g, '(' ).replace( /\%29/g, ')' ).replace( /\%2A/g, '*' ).replace( /\%7E/g, '~' ) );
   }