function toggleIdeaForm() {
    var ideaForm = document.getElementById("ideaformcontainer");
    var ideaButton = document.getElementById("ideabutton");
    if(ideaForm.style.display == "block") {
        ideaForm.style.display = "none";
        ideaButton.style.backgroundImage = "url(images/ideabutton.png)";
    } else {
        ideaForm.style.display = "block";
        ideaButton.style.backgroundImage = "url(images/ideabuttonopen.png)";
    }
}

function validate(theForm) {
    if (theForm.idea.value == "") {
        alert("Please enter your idea");
        theForm.idea.focus();
        return false;
    }
    return true;
}