How can I do this in ActionScript?

1 
 
if (a == 0)
	 {
	 ................
	 .................
	 .................. 
	 goto show;
	 }
	 if (a == 0 && b == 0)
	 {
	 ................
	 .................
	 ..................
	 goto show;
	 }
	 if (a > 1 && b != 0)
	 {
	 ................
	 .................
	 ..................
 
	 goto show;
	 }
 
show:
 
trace(a+" "+b);
return;