function launchRechner()
{
    var winRechner; // = null;
    if ((winRechner == null)||(winRechner.closed))
     { winRechner = window.open("../../rechner/rechner.html","Fenster_rechner","width=420,height=100,resizable=yes,status=no,menubar=no,scrollbars=no,location=no");
       winRechner.opener = top;
       winRechner.focus();
     }
    else { winRechner.focus(); }
}

function launchJavaCalc()
{
   var winJavaCalc;
   if ((winJavaCalc == null)||(winJavaCalc.closed))
   { winJavaCalc = window.open("../../JavaCalc/jcintro.html",
                              "Fenster_JavaCalc",
                              "width=500,height=400,resizable=yes,status=yes,menubar=yes,scrollbars=yes,location=yes");
     winJavaCalc.opener = top;
     winJavaCalc.focus();
   }
   else { winJavaCalc.focus(); }
}

function launchfplotter()
{
    var fenster_fplotter;
    if ((fenster_fplotter == null)||(fenster_fplotter.closed))
     { fenster_fplotter = window.open("../../fplotter/fplotter.html","Fenster_fplotter","width=763,height=530,resizable=yes,status=no,menubar=no,scrollbars=no,location=no");
       fenster_fplotter.opener = top;
       fenster_fplotter.focus();
     }
    else { fenster_fplotter.focus(); }
}

function aufrufen_GrapheN()
   {
    var GrapheN;
    if ((GrapheN == null)||(GrapheN.closed))
     {
       // if (navigator.appName!="Netscape")
       // GrapheN = window.open("../../mathint/fun1/graphen/s.html","Window_GrapheN","width=468,height=397,resizable=yes,status=no,menubar=yes,scrollbars=no,location=no");
       // else
       GrapheN = window.open("../../mathint/fun1/graphen/s.html","Fenster_GrapheN","width=468,height=397,resizable=yes,status=no,menubar=yes,scrollbars=no,location=no");
       GrapheN.opener = top;
       GrapheN.focus();
      }
    else { GrapheN.focus(); }
   }

function aufrufen_GrapheN2()
   {
    var GrapheN2;
    if ((GrapheN2 == null)||(GrapheN2.closed))
     {
       // if (navigator.appName!="Netscape")
       // GrapheN2 = window.open("../../mathint/fun2/graphen2/s.html","Window_GrapheN2","width=468,height=397,resizable=yes,status=no,menubar=yes,scrollbars=no,location=no");
       // else
       GrapheN2 = window.open("../../mathint/fun2/graphen2/s.html","Fenster_GrapheN2","width=468,height=397,resizable=yes,status=no,menubar=yes,scrollbars=no,location=no");
       GrapheN2.opener = top;
       GrapheN2.focus();
      }
    else { GrapheN2.focus(); }
   }

function aufrufen_GrapheN3()
   {
    var GrapheN3;
    if ((GrapheN3 == null)||(GrapheN3.closed))
     {
       // if (navigator.appName!="Netscape")
       // GrapheN3 = window.open("../../mathint/fun2/graphen3/s.html","Window_GrapheN3","width=468,height=397,resizable=yes,status=no,menubar=yes,scrollbars=no,location=no");
       // else
       GrapheN3 = window.open("../../mathint/fun2/graphen3/s.html","Fenster_GrapheN3","width=468,height=397,resizable=yes,status=no,menubar=yes,scrollbars=no,location=no");
       GrapheN3.opener = top;
       GrapheN3.focus();
      }
    else { GrapheN3.focus(); }
   }

function aufrufen_FehleR()
   {
    var FehleR;
    if ((FehleR == null)||(FehleR.closed))
     {
       FehleR = window.open("fehler/fehler.html","Fenster_FehleR","width=510,height=450,resizable=yes,status=no,menubar=yes,scrollbars=no,location=no");
       FehleR.opener = top;
       FehleR.focus();
      }
    else { FehleR.focus(); }
   }

function aufrufen_SchacH()
   {
    var SchacH;
    if ((SchacH == null)||(SchacH.closed))
     {
       SchacH = window.open("schach/schach.html","Fenster_SchacH","width=760,height=500,resizable=yes,status=no,menubar=yes,scrollbars=no,location=no");
       SchacH.opener = top;
       SchacH.focus();
      }
    else { SchacH.focus(); }
   }

function aufrufen_1415()
   {
    var p1415;
    if ((p1415 == null)||(p1415.closed))
     {
       p1415 = window.open("14-15/14-15.html","Fenster_p1415","width=760,height=500,resizable=yes,status=no,menubar=yes,scrollbars=no,location=no");
       p1415.opener = top;
       p1415.focus();
      }
    else { p1415.focus(); }
   }

function launchExcel(urltxt)
{
  // falls IE -> in eigenem Fenster öffnen
  if (navigator.appName.indexOf('Internet Explorer') != -1
     && navigator.userAgent.toLowerCase().indexOf("opera") == -1)
  {
    window.open(urltxt,"_blank");
  }
  // ansonsten -> im aktuellen Fenster öffnen
  else { document.location = urltxt; }
}

function launchWord(urltxt)
{
  // falls IE -> in eigenem Fenster öffnen
  if (navigator.appName.indexOf('Internet Explorer') != -1
     && navigator.userAgent.toLowerCase().indexOf("opera") == -1)
  {
    window.open(urltxt,"_blank");
  }
  // ansonsten -> im aktuellen Fenster öffnen
  else { document.location = urltxt; }
}

function launchURL(urltxt,nametxt,wi,he)
{
    var winL ; //= null;
    if ((winL == null)||(winL.closed))
     { winL = window.open(urltxt,nametxt,"width="+wi+",height="+he+",resizable=yes,status=no,menubar=no,scrollbars=no,location=no");
       winL.opener = top;
       winL.focus();
     }
    else { winL.focus(); }
}

function launchURL2(urltxt,nametxt,wi,he)
{
    var winL ; //= null;
    if ((winL == null)||(winL.closed))
     { winL = window.open(urltxt,nametxt,"width="+wi+",height="+he+",resizable=yes,status=no,menubar=no,scrollbars=yes,location=no");
       winL.opener = top;
       winL.focus();
     }
    else { winL.focus(); }
}

function LinksUnten(txt1,abk1,txt2,abk2,txt3,abk3) // txt1, abk1, ... für Links auf Mathint, Tests und Ressourcen (oder leer)
{
addAbstand = "";  addMathint = "";  addTests = "";  addRessourcen = "";

if (txt1 != "")
{
   addAbstand = '<tr><td colspan="2"><font face="Arial,Helvetica,Sans-serif" size="-1">&nbsp;</font></td></tr>';
   addMathint = '<tr><td colspan="2"><font face="Arial,Helvetica,Sans-serif" size="-1"><font color="#DDEEFF">Kapitel</font> <a href="../../mathint/' + abk1 + '/i.html" class="l">' + txt1 + '</a> <font color="#DDEEFF">der Mathematischen Hintergr&uuml;nde</font></font></td></tr>';
}

if (txt2 != "")
{
   addAbstand = '<tr><td colspan="2"><font face="Arial,Helvetica,Sans-serif" size="-1">&nbsp;</font></td></tr>';
   addTests = '<tr><td colspan="2"><font face="Arial,Helvetica,Sans-serif" size="-1"><font color="#DDEEFF">Abschnitt</font> <a href="../../tests.html#' + abk2 + '" class="l">' + txt2 + '</a> <font color="#DDEEFF">der Interaktiven Tests</font></font></td></tr>';
}

if (txt3 != "")
{
  if (document.location.href.indexOf('http://') == 0) { urltxt = '?s='+abk3; } 
  else  { urltxt = abk3 +'.html'; }
   addAbstand = '<tr><td colspan="2"><font face="Arial,Helvetica,Sans-serif" size="-1">&nbsp;</font></td></tr>';
   addRessourcen = '<tr><td colspan="2"><font face="Arial,Helvetica,Sans-serif" size="-1"><font color="#DDEEFF">Abschnitt</font> <a href="../../ressourcen/' + urltxt + '" class="l">' + txt3 + '</a> <font color="#DDEEFF">der Ressourcen-&Uuml;bersicht</font></font></td></tr>';
}

document.write(
'    <table width="100%" border="0"><tr nowrap>\n'+
'     <td align="center">\n'+
'            <table width="100%" border="0" cellpadding="0" cellspacing="0">\n'+
'              <tr> \n'+
'                <td width="50%" valign="top" align="left"><font face="Arial,Helvetica,Sans-serif" size="-1"> \n'+
'                  <a href="../../index.html" class="l">Welcome&nbsp;Page</a>'+
' <font color="#DDEEFF">|</font> <a href="../../ressourcen/uebersicht.html" class="l">Ressourcen-&Uuml;bersicht</a>' +
'<br>\n'+
'                  <a href="../../galerie.html" class="l">Galerie &Uuml;bersicht</a><br>\n'+
'                  <a href="../../mathint.html" class="l">Mathematische Hintergr&uuml;nde</a><br>\n'+
'                  <a href="../../mathint/lexikon/index.html" class="l">Lexikon</a> <font color="#DDEEFF">|</font>\n'+
'                  <a href="../../tests.html" class="l">Interaktive Tests</a><br>\n'+
'                  <a href="../../links/index.html" class="l">Mathe-Links und Online-Werkzeuge</a></font></td>\n'+
'                <td width="50%" valign="top" align="left"><font face="Arial,Helvetica,Sans-serif" size="-1"> \n'+
'                  <font color="#DDEEFF">Open Studio:</font> <a href="http://www.mathe-online.at/materialien/" class="l">Materialien</a> \n'+
'                  <font color="#DDEEFF">|</font> <a href="http://www.mathe-online.at/lernpfade/" class="l">Lernpfade</a><br>\n'+
'                  <a href="http://www.mathe-online.at/monk/" class="l">mathe online network</a> \n'+
'                  <font color="#DDEEFF">|</font> <a href="../../projekte.html" class="l">Projekt-Materialien</a><br><br>\n'+
'                  <font face="Arial,Helvetica,Sans-serif" size="-1"><font face="Arial,Helvetica,Sans-serif" size="-1"><a href="http://www.mathe-online.at/Mathematica/" class="l">Rechnen \n'+
'                  mit Mathematica</a></font></font><br>\n'+
'                  <a href="javascript:launchRechner()" class="l">Mini-Rechner</a> <font color="#DDEEFF">|</font> <a href="javascript:launchJavaCalc()" class="l">JavaCalc</a> <font color="#DDEEFF">|</font> <a href="javascript:launchfplotter()" class="l">Funktions-Plotter</a></font></td>\n'+
'              </tr>\n'+
addAbstand + addMathint + addTests + addRessourcen +
'            </table>\n'+
'\n'+
'            </td>\n'+
'    </tr></table>\n'
);
}
