Declare 'i' using var, so as to not clobber any parent script's 'i' variable

when load()ed.

exec/typeasc.js

@@ -11,6 +11,7 @@ var f;
 var title='';
 var filename='';
 var mode=P_NONE;
+var i;
 
 for(i in argv) {
 	if(filename=='') {

exec/typehtml.js

@@ -23,6 +23,7 @@ var LIST_ITEM 		="\1N\r\n    \1H\1Wo \1G"
 
 var f;
 var mono=true;
+var i;
 
 for(i in argv) {
 	switch(argv[i].toLowerCase()) {