function ToggleDiv(id)
{
    aDiv=document.getElementById(id);    
    if(aDiv.style.display=="block"){aDiv.style.display="none";}
    else{aDiv.style.display="block";}
}
function AddOption(selectbox,text,value)
{
    optn = document.createElement("OPTION");
    optn.text = text;
    optn.value = value;
    selectbox.options.add(optn);
}