?
if
(
typeof
(Function.prototype.apply)
!=
"
function
"
)
{
??Function.prototype.apply?
=
?
function
(obj,?argu)
??{
????
var
?s;
????
if
(obj)
????{
??????obj.constructor.prototype._caller
=
this
;
??????s?
=
?
"
obj._caller
"
;
????}
????
else
?s?
=
?
"
this
"
;
????
var
?a
=
[];
????
for
(
var
?i
=
0
;?i
<
argu.length;?i
++
)
??????a[i]?
=
?
"
argu[
"
+
?i?
+
"
]
"
;
????
return
?eval(s?
+
"
(
"
+
?a.join(
"
,
"
)?
+
"
);
"
);
??};
??Function.prototype.call??
=
?
function
(obj)
??{
????
var
?a
=
[];
????
for
(
var
?i
=
1
;?i
<
arguments.length;?i
++
)
??????a[i
-
1
]
=
arguments[i];
????
return
?
this
.apply(obj,?a);
??};?
}?