function seminar_formvalid (formobj) {

    if (formobj) {

        if (formobj.name && formobj.name.value == "") {
        
            alert ("Please type your name.");
            return false;
            
        } else if (formobj.title && formobj.title.value == "") {
            alert ("Please type your career title.");
            return false;
            
        } else if (formobj.district && formobj.district.value == "") {
            alert ("Please type your district name.");
            return false;
        
        } else if (formobj.school && formobj.school.value == "") {
            alert ("Please type your school name.");
            return false;
            
        } else if (formobj.email && formobj.email.value == "") {
            alert ("Please type your email address.");
            return false;   
        
        } else if (formobj.ad && formobj.ad.options[formobj.ad.selectedIndex].value == "0") {
            alert ("Please tell us how you heard about the seminar.");
            return false;
        
        } else if (formobj.ad && formobj.ad.options[formobj.ad.selectedIndex].value == "6" && formobj.adtxt &&
                   formobj.adtxt.value == "") {
            alert ("Please tell us how you heard about the seminar.");
            return false;
        }
            
    } else {
        return false;
    }
    
    return true;
}

function seminar_viewmap (street, city, state, zip) {
   window.open ("http://www.mapquest.com/maps/map.adp?searchtype=address&country=US&addtohistory=&searchtab=home&address="+street+"&city="+city+"&state="+state+"&zipcode="+zip);
}

function seminar_print (type, locationid) {
   if (type == "seminar") {
       window.open ("seminars_print.php", "", "toolbar=yes, menubar=yes, scrollbars=yes, location=no, resizable=yes");
           
   } else if (type == "confirmation") {
       window.open ("confirmation_print.php?locationid="+locationid, "", "toolbar=yes, menubar=yes, scrollbars=yes, location=no, resizable=yes");
   }
}

function seminar_showtxtfield (elem) {

    if (elem && elem.length > 0 && elem.form) {
        var formobj = elem.form;
        var txtfield = document.getElementById ("adtxt");
        
        if (txtfield) {    
 
            if (elem.options[elem.selectedIndex].value == "6") {
                txtfield.style.display = "block"; //DISPLAY TEXT FIELD
                
                if (formobj.adtxt) {
                    formobj.adtxt.focus (); //FOCUS ON THE TEXT FIELD
                }
                
            } else {
                txtfield.style.display = "none"; //HIDE TEXT FIELD 
            }
        }
    }
}