function open_ctb() {
    var myid = document.form_ctb.subject.value;
    myVal = 'http://www.ctb.com/products/category_home.jsp?FOLDER%3C%3Efolder_id=' + 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')}
}