function OpenAlreadyRegisteredWindow() {
    window.open('AlreadyRegistered.aspx', 'AlreadyRegistered', 'width=300,height=80,location=center,scrollbars=1,resizable=0,statusbar=1');
}
function OpenRegistrationWindow(src) {
    window.open(src, 'EventRegistration', 'width=1020,height=870,scrollbars=1,resizable=0,statusbar=1,top=0,left=0');
  
}