function open_ctb() {
    var myid = document.form_ctb.subject.value;
    myVal = 'http://ctb.com/ctb.com/control/childNodesViewAction?categoryId=' + myid;

	if (myid!='') {openWin(myVal,'ctb')} else {alert('Please select a subject')}
}

function open_ctb2() {
    var myid = document.form_ctb2.state.value;	
    myVal = 'http://www.ctb.com/netcaster/state_home.jsp?NC_DIRECTORY%3C%3Edirectory_id=' + myid;

	if (myid!='') {openWin(myVal,'ctb')} else {alert('Please select a subject')}
}