function ecc(Y) {     
      T=(Y-1850)/1000.0;
      var h = new Array(0.004260,0.016135,0.010246,-0.013399,0.018173,0.001439,0.000598,0.000013,0.000182,0.000276,-0.003367,0.000378,-0.002354,0.000857,0.000599,-0.000174,0.001007,-0.000124,-0.000337);
      var g = new Array(0.0272157,0.0361472,0.0838008,0.0867938,0.0208860,0.1364670,0.0152880,0.0032650,0.0849704,0.0916930,0.0818946,0.0897867,0.0887000,0.0789017,0.0808079,0.0305229,0.0328400,0.0913001,0.0335454);
      var beta = new Array(1.5211,3.4296,5.5612,5.3645,0.5005,2.2293,2.0278,1.2657,2.6548,5.8759,4.8531,5.1678,6.0726,5.0498,5.7579,2.2690,2.6816,3.6754,2.5416);
      hh=0;
      kk=0;
      for (n=0;n<19;n++) {
            hh += h[n]*Math.sin(g[n]*T+beta[n]);
            kk += h[n]*Math.cos(g[n]*T+beta[n]);
      }
      return Math.sqrt(hh*hh+kk*kk);
}

function tabelle() {
    form1.text.value="";
    form1.text.value="  Year     Eccentricity"+"\n";
		for (i=0;i<=200;i++) {
		    year=-1000000+i*10000;
		    e=ecc(year);
		    str2=""+Math.round(1000000*e)/1000000.0;
		    form1.text.value+=year + "   " + str2 +"\n";
		}
}