function HideContent(d,b) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "none";
document.getElementById(b).style.display = "none";
}
function ShowContent(d,b) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "block";
document.getElementById(b).style.display = "block";
}