//Focus & blur code
function myFocus(element) {
   if (element.value == element.defaultValue) {
      element.value = '';
   }
}
function myBlur(element) {
   if (element.value == '') {
      element.value = element.defaultValue;
   }
}



function toggleMenu(id)
{
   document.getElementById('nextMenuTab').className = '';
   document.getElementById('previousMenuTab').className = '';
   document.getElementById('nextMenuContent').style.display = 'none';
   document.getElementById('previousMenuContent').style.display = 'none';
   
   document.getElementById(id + 'MenuTab').className = 'active';
   document.getElementById(id + 'MenuContent').style.display = 'block';
}