function showHide(div, link) {
    
    divElement = document.getElementById(div);
    textElement = document.getElementById(link);
    
    if (divElement.style.display == 'block') {
        divElement.style.display = 'none';
        textElement.innerHTML = 'Search';    
    } else {
        divElement.style.display = 'block';
        textElement.innerHTML = 'Close Search';
    }
         
}

function checkForm() {
    theValue = document.getElementById("term"); 
    if (theValue.value != '') {
        return true;
    } else {
        alert('Please enter a search term');
        return false;
    }
}