function Zentralmeridian1() {

  system = "1";
  Meridian()
  Tabelle1()

document.write("<tr>");
document.write("<td>");
document.write("Änderung");
document.write("</td>");
document.write("<td align=center>");
document.write("+6.1°");
document.write("</td>");
document.write("<td align=center>");
document.write("+12.2°");
document.write("</td>");
document.write("<td align=center>");
document.write("+18.3°");
document.write("</td>");
document.write("<td align=center>");
document.write("+24.4°");
document.write("</td>");
document.write("<td align=center>");
document.write("+30.5°");
document.write("</td>");
document.write("<td align=right>");
document.write("&#160;");
document.write("</td>");
document.write("</tr>");
document.write("</table>");
}


function Zentralmeridian2() {
  system = "2";
  Meridian()
  Tabelle1()

document.write("<tr>");
document.write("<td>");
document.write("Änderung");
document.write("</td>");
document.write("<td align=center>");
document.write("+6.0°");
document.write("</td>");
document.write("<td align=center>");
document.write("+12.1°");
document.write("</td>");
document.write("<td align=center>");
document.write("+18.1°");
document.write("</td>");
document.write("<td align=center>");
document.write("+24.2°");
document.write("</td>");
document.write("<td align=center>");
document.write("+30.2°");
document.write("</td>");
document.write("<td align=center>");
document.write("&#160;");
document.write("</td>");
document.write("</tr>");
document.write("</table>");

}


function Meridian()
{

JJJJh=document.forms[0].jahrh.selectedIndex; 
switch(JJJJh)
{
case 0:var JJJJh=18;break;case 1:var JJJJh=19;break;case 2:var JJJJh=20;break;
}

JJJJz=document.forms[0].jahrz.selectedIndex; 
switch(JJJJz)
{
case 0:var JJJJz=0;break;case 1:var JJJJz=1;break;case 2:var JJJJz=2;break;
case 3:var JJJJz=3;break;case 4:var JJJJz=4;break;case 5:var JJJJz=5;break;
case 6:var JJJJz=6;break;case 7:var JJJJz=7;break;case 8:var JJJJz=8;break;
case 9:var JJJJz=9;break;
}

JJJJe=document.forms[0].jahre.selectedIndex; 
switch(JJJJe)
{
case 0:var JJJJe=0;break;case 1:var JJJJe=1;break;case 2:var JJJJe=2;break;
case 3:var JJJJe=3;break;case 4:var JJJJe=4;break;case 5:var JJJJe=5;break;
case 6:var JJJJe=6;break;case 7:var JJJJe=7;break;case 8:var JJJJe=8;break;
case 9:var JJJJe=9;break;
}


MM=document.forms[0].monat.selectedIndex; 
switch(MM)
{
case 0:var MM=1;break;case 1:var MM=2;break;case 2:var MM=3;break;case 3:var MM=4;break;
case 4:var MM=5;break;case 5:var MM=6;break;case 6:var MM=7;break;case 7:var MM=8;break;
case 8:var MM=9;break;case 9:var MM=10;break;case 10:var MM=11;break;case 11:var MM=12;break;
}

DT=document.forms[0].DT.selectedIndex; 
switch(DT)
{
case 0:var DT=0;break;case 1:var DT=5;break;case 2:var DT=10;break;case 3:var DT=15;break;
case 4:var DT=20;break;case 5:var DT=25;break;
case 6:var DT=30;break;
case 7:var DT=35;break;
case 8:var DT=40;break;
case 9:var DT=45;break;
case 10:var DT=50;break;
case 11:var DT=55;break;
case 12:var DT=60;break;
case 13:var DT=65;break;
case 14:var DT=70;break;
case 15:var DT=75;break;
}

var Monatsname=new Array("","Januar","Februar","März","April","Mai","Juni","Juli","August","September","Oktober","November","Dezember");

var x = 0;
var y = 0;
var z = 0;

var ZM01=0;
var ZM02=0;

var JJJJ = JJJJh*100 + JJJJz*10 + JJJJe;

var HH = 0;

document.write("<font face='Arial'>");
document.write("<body  bgcolor=#FFF8DC>");

document.write("<br>");
document.write("<table border=0 width=650 align=center>");
document.write("<tr>");
document.write("<td align=left width=50%>");
document.write('<img src="../../../../logo.jpg">');
document.write("</td>");
document.write('<td align=right width=50%><b><a href="http://www.buecke-info.de">www.buecke-info.de</a></b>');
document.write("</td>");
document.write("</tr>");
document.write("</table>");

document.write("<table align=center width=650 font face='Arial' style='font-size:12pt; color:black;'>");
document.write("<tr>");
document.write("<td align=center >");
document.write("<b>Jupiter<br>")
if (system=="1") document.write("Zentralmeridiane im System I</b>");
if (system=="2") document.write("Zentralmeridiane im System II</b>");
document.write("<br>");
document.write("<b>"+Monatsname[MM] + "&#160;" + JJJJ+"</b>");
document.write("<br>");
document.write("<span style='font-size:10pt;'>(in UT,"+ "&#160;"+"&#160;" + "&Delta;T = " + DT + " s)</span>");
document.write("</td>");
document.write("<br>");
document.write("</tr>");

document.write("</table>");

document.write("<table border=0 align=center width=750>");
document.write("<tr>");
document.write("<td style='font-size:8pt;'>");
document.write("<br>Zentralmeriane sind angegeben, wenn Jupiter sichtbar ist und die Sonne bis 10° über dem Horizont steht<br>(berechnet für geografische Länge -10° und Breite 50°).");
document.write("</td>");
document.write("</table>");

document.write("<br>");

document.write("<table border=1 bordercolor=silver cellspacing=0 cellpedding=3 align=center  // style='font-face:Arial; font-size:8pt; color:black;'>")				
document.write("<th width=55>");
document.write("Tag|UT");
document.write("</th>");
document.write("<th width=44>");
document.write("16");
document.write("</th>");
document.write("<th width=44>");
document.write("17");
document.write("</th>");
document.write("<th width=44>");
document.write("18");
document.write("</th>");
document.write("<th width=44>");
document.write("19");
document.write("</th>");
document.write("<th width=44>");
document.write("20");
document.write("</th>");
document.write("<th width=44>");
document.write("21");
document.write("</th>");
document.write("<th width=44>");
document.write("22");
document.write("</th>");
document.write("<th width=44>");
document.write("23");
document.write("</th>");
document.write("<th width=44");
document.write('<span style="color:blue">0</span>');
document.write("</th>");
document.write("<th width=44>");
document.write('<span style="color:blue">1</span>');
document.write("</th>");
document.write("<th width=44>");
document.write('<span style="color:blue">2</span>');
document.write("</th>");
document.write("<th width=44>");
document.write('<span style="color:blue">3</span>');
document.write("</th>");
document.write("<th width=44>");
document.write('<span style="color:blue">4</span>');
document.write("</th>");
document.write("<th width=44>");
document.write('<span style="color:blue">5</span>');
document.write("</th>");
document.write("<th width=44>");
document.write('<span style="color:blue">6</span>');
document.write("</th>");

var Stop = 30;
if(MM==4 ||MM==6 || MM==9 || MM==11 ) --Stop;
if(MM==2)
{
 Stop=Stop-3;
 if(JJJJ%4==0) Stop++;
 if(JJJJ%100==0) Stop--;
 if(JJJJ%400==0) Stop++;
}

document.write("<tr align=right>");

for (DD=0;DD<=Stop;DD++)
{
document.write("<td align=right>");
document.write(DD+"&#160;"+"/"+"&#160;<span style='color:blue'>"+(DD+1)+"</span>&#160;");
document.write("</td>");

for (HH=16;HH<=30;HH++)
{
   hh=HH;
   var j = JJJJ;
   var m = MM; 
   if (m<=2) {j--; m = m+12}
   var B = Math.floor(j/400) - Math.floor(j/100);
   if (JJJJ<=1582 && MM<=10 && DD<=4) B = -2;  

   JD1 = Math.floor(365.25*j) + Math.floor(30.6001*(m+1)) + B + 1720996.5;
   JD2 = JD1 + DD;

  JD = JD2 + HH/24 + DT/86400;
  d = JD - 2451545;
  T = d/36525; 

 Ekliptik()
 Sonne() 
 Helio()
 Geoz()
 Phys()
 Zm()
 ZMHoehe()

document.write("<td align=right>");
if (HH>23) document.write('<span style="color:blue">');
if (system=="1") document.write(ZMma1)
if (system=="2") document.write(ZMma2);
if (HH>23) document.write('</span>');
document.write("</td>");

}

document.write("</tr>");

}

document.write("</table>");
document.write("<br>");
document.write("<br>");

}

function Tabelle1() {
document.write("<table border=0 align=center style='font-size:10pt; color:black;'>");
document.write("<tr>");
document.write("<td width=120>");
document.write("Minuten:");
document.write("</td>");
document.write("<td width=60 align=center>");
document.write("10");
document.write("</td>"); 
document.write("<td width=60 align=center>");
document.write("20");
document.write("</td>");
document.write("<td width=60 align=center>");
document.write("30");
document.write("</td>");
document.write("<td width=60 align=center>");
document.write("40");
document.write("</td>");
document.write("<td width=60 align=center>");
document.write("50");
document.write("</td>");
document.write("</td>");
document.write("<td width=240>");
document.write("&#160;");
document.write("</td>");
document.write("</tr>");
}



