//droites de gauche (elle est bonne celle-là!)
d=DPPerpendicular("c1","axeX","E1");
SetColor(d,"blue");
DPSymmetry("E2","E1","G0");
SetHide("E2",true);
for(n=2;n<=20;n++){
	d=DPPerpendicular("c"+n,"axeX","E"+n);
	SetColor(d,"blue");
	DPSymmetry("E"+(n+1),"E"+n,"E"+(n-1));
	SetHide("E"+(n+1),true);

}
//droites de droite (ben oui!)
d=DPPerpendicular("d1","axeX","H1");
SetColor(d,"blue");
DPSymmetry("H2","H1","G0");
SetHide("H2",true);
for(n=2;n<=20;n++){
	d=DPPerpendicular("d"+n,"axeX","H"+n);
	SetColor(d,"blue");
	DPSymmetry("H"+(n+1),"H"+n,"H"+(n-1));
	SetHide("H"+(n+1),true);

}