MACROMEDIA FLASH 8-ACTIONSCRIPT 2.0 LANGUAGE Reference page 34

Do not place a semicolon (;) at the end of the line that contains the #initclip directive.
Availability: ActionScript 1.0; Flash Player 6.0
Parameters
[optional] - A non-negative integer that specifies the execution order of blocks
order:Number
of code. This is an optional parameter. You must specify the value by using an
#initclip
integer literal (only decimal values are allowed, not hexadecimal), and not by using a variable.
If you include multiple
uses the last value specified in that movie clip symbol for all
order
symbol.
Example
In the following example, ActionScript is placed on Frame 1 in a movie clip instance. A
variables.txt text file is placed in the same directory.
#initclip
trace("initializing app");
var variables:LoadVars = new LoadVars();
variables.load("variables.txt");
variables.onLoad = function(success:Boolean) {
trace("variables loaded:"+success);
if (success) {
for (i in variables) {
trace("variables."+i+" = "+variables[i]);
}
}
};
#endinitclip
34 ActionScript language elements
blocks in a single movie clip symbol, then the compiler
#initclip
blocks in that
#initclip