function apri(iddiv)
{
    document.getElementById(iddiv).style.visibility = "Visible";
}
function chiudi(iddiv)
{
    document.getElementById(iddiv).style.visibility = "Hidden";
}
function setover(iddiv)
{
    document.getElementById(iddiv).style.background = "#D5EBF7";
	document.getElementById(iddiv).style.color = "#6699CC";
}
function setout(iddiv)
{
    document.getElementById(iddiv).style.background = "#6699CC";
	document.getElementById(iddiv).style.color = "#fff";
}