function makeSelection(selection) { 
     document.yourthinkingForm.selectedfactorfiction.value=selection;

     var fact_id = document.getElementById("selectfactimage");
     var fiction_id = document.getElementById("selectfictionimage");
     if (selection == "fact") {
        fact_id.className = 'selectedfact';
        fiction_id.className = 'selectfiction';
    } else {
        fact_id.className = 'selectfact';
        fiction_id.className = 'selectedfiction';
    }
}

function validateThinking(theForm) {
    if (theForm.selectedfactorfiction.value == "" || theForm.selectedfactorfiction.value == "none") {
        alert ("Please select fact or fiction");
        return false;
    }

    var obj = document.getElementsByName('opinion:name').item(0);
    var val = obj.value;
    if (val == "" ) {
        alert ("Please enter your name");
        return false;
    }
    
    var obj = document.getElementsByName('opinion:email').item(0);
    var val = obj.value;
    if (val == "" ) {
        alert ("Please enter your email");
        return false;
    }

    var obj = document.getElementsByName('opinion:reasoning').item(0);
    var val = obj.value;
    if (val == "" ) {
        alert ("Please enter your thinking");
        return false;
    }

    return true;
}