function farbe(i)
{
	var f=prompt('Hex-Farbwert RRGGBB eingeben','');if((f==null)||(isNaN(parseInt('0x'+f))))return;
	document.plotter.setColor(i,parseInt('0x'+f));
	var r=document.plotter.getRange(" ").split(" ");
	document.plotter.setRange(r[0],r[1],r[2],r[3]);
	document.plotter.plot();
}
function setFlag(i)
{
	switch(i)
	{
		case 0:oFlag=oFlag&1021;break;
		case 1:oFlag=oFlag|2;break;
		case 2:oFlag=oFlag&1019;break;
		case 3:oFlag=oFlag|4;break;
		case 4:var m=parseInt(prompt("Minscal",document.plotter.minscald));
			if((!isNaN(m))&&(m>1))document.plotter.minscald=m;else return;
			break;
		default:;
	}
	if(i<4)document.plotter.flag=oFlag+((document.f.notclear.checked)?1:0);
	var r=document.plotter.getRange(" ").split(" ");
	document.plotter.setRange(r[0],r[1],r[2],r[3]);
	document.plotter.plot();
}
function printEinstellungen()
{
document.writeln('<p><b>Einstellungen:</b> Farben: <a href="javascript:farbe(0)">Hintergrund</a>, ');
document.writeln('<a href="javascript:farbe(2)">Achsen</a>, ');
document.writeln('<a href="javascript:farbe(3)">Raster</a>, ');
document.writeln('<a href="javascript:farbe(4)">Skalierung</a>;'); 
document.writeln('Raster: <a href="javascript:setFlag(0)">ein</a>,'); 
document.writeln('<a href="javascript:setFlag(1)">aus</a>, ');
document.writeln('Pfeile: <a href="javascript:setFlag(2)">ein</a>, ');
document.writeln('<a href="javascript:setFlag(3)">aus</a>; ');
document.writeln('<a href="javascript:setFlag(4)">min. Rasterbreite (pixel)</a></p>');
}