A few improvements to conversions, I hope

pas2js.sed

@@ -7,12 +7,12 @@ s,},*/,g
 s/ = / == /g
 s/:=/=/g
 s/procedure/function/g
-s/begin/{/g
+s/begin/{/
 s/end;/}/g
 s/end/}/g
 
 s/not/!/g
-s/ and / && /g
+s/ and / \&\& /g
 s/ or / || /g
 s/<>/!=/g
 s/ mod / % /g
@@ -26,6 +26,13 @@ s/with /with (/g
 s/ do/)/
 
 s/case /switch (/g
-s/ of/) {/g
+/\Wcase\W/ s/ of/) {/g
 
 s/Result =/return/g
+
+/^function / s/): [A-Za-z][A-Za-z]*;/)/ 
+/^function /  s/: [A-Za-z][A-Za-z]*;/()/
+#/^function / s/: [A-Za-z][A-Za-z]*//g
+
+/\Wfor\W/ s/ to /; i <= /
+/\Wfor\W/ s/)/; ++i)/