// -- clear and fill the input
function cl(inp, val) {
	if (inp.value == val) inp.value = "";
}

function fl(inp, val) {
	if (inp.value == "") inp.value = val;
}

function menu_expand(id) 
{
    if (!document.getElementById) return;
    element = document.getElementById(id);
    
    if (element.style.display == "none" || element.style.display == "") {
      element.style.display = "block";
    } else {
      element.style.display = "none"; 
    }   
    
}