Why does this open 5 windows?

Uncategorized
1 
bSendMsg.onRollOver = function() {
    this.gotoAndPlay(2);
};
bSendMsg.onRollOut = function() {
    this.gotoAndPlay(11);
};
bSendMsg.onMouseDown = function() {
    getURL("http://messaging.myspace.com/index.cfm?fuseaction=mail.message&friendID=101920599&MyToken=40f64079-8647-4f07-a843-d3d8d69dc89b");
};
bAddFriend.onRollOver = function() {
    this.gotoAndPlay(2);
};
bAddFriend.onRollOut = function() {
    this.gotoAndPlay(11);
};
bAddFriend.onMouseDown = function() {
    getURL("http://collect.myspace.com/index.cfm?fuseaction=invite.addfriend_verify&friendID=101920599");
};
bPostComment.onRollOver = function() {
    this.gotoAndPlay(2);
};
bPostComment.onRollOut = function() {
    this.gotoAndPlay(11);
};
bPostComment.onMouseDown = function() {
    getURL("http://comments.myspace.com/index.cfm?fuseaction=user&circuitaction=viewProfile_commentForm&friendID=101920599&name=Alibris&MyToken=40f64079-8647-4f07-a843-d3d8d69dc89b");
};
bReferFriend.onRollOver = function() {
    this.gotoAndPlay(2);
};
bReferFriend.onRollOut = function() {
    this.gotoAndPlay(11);
};
bReferFriend.onMouseDown = function() {
    getURL("http://mail.myspace.com/index.cfm?fuseaction=mail.forward&friendID=101920599&f=forwardprofile");
};
bAddFave.onRollOver = function() {
    this.gotoAndPlay(2);
};
bAddFave.onRollOut = function() {
    this.gotoAndPlay(11);
};
bAddFave.onMouseDown = function() {
    getURL("http://collect.myspace.com/index.cfm?fuseaction=user.addToFavorite&friendID=101920599&public=0");
};

this opens 5 windows. is it because all the functions are named the same? how can i fix this?