function popupProf( username ) {
	window.open( "f_userprofile.php?username=" + username, "", "width=500,height=400,scrollbars=1,resizable=1" );
}

function popupReg() {
	window.open( "f_registration.php", "", "width=500,height=380,scrollbars=1,resizable=1" );
}

function popupPwd() {
	window.open( "f_changepwd.php", "", "width=500,height=380,scrollbars=1,resizable=1" );
}