1084 Syntax Error: Expecting rightparen before and.

In flash CS3 I am getting this error when trying to preview my project.

Here is my code:
 

System.useCodepage = true;
send_btn.onRelease = function() {
	my_vars = new LoadVars();
	my_vars.sender = email_box.text;
	my_vars.subject = subject_box.text;
	my_vars.message = message_box.text;
	if (my_vars.sender != "" and my_vars.subject != "" and my_vars.message != "") {		
                my_vars.sendAndLoad("mailer.php", my_vars, "POST");
		gotoAndStop(2);
	} else {
		error_clip.gotoAndPlay(2);
	}
	my_vars.onLoad = function() {
		gotoAndStop(3);
	};
};
email_box.onSetFocus = subject_box.onSetFocus=message_box.onSetFocus=function () {
	if (error_clip._currentframe != 1) {
		error_clip.gotoAndPlay(6);
	}
};

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The error is for this line...

 if (my_vars.sender != "" and my_vars.subject != "" and my_vars.message != "") { 

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I can't see an error there though....Any thoughts?

Thanks.
-Ben Toms