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

if(e.length < 1) { return; }
document.getElementById(e).style.display = "none";

if(f.length < 1) { return; }
document.getElementById(f).style.display = "none";
}

function ShowContent(d) {

if(d.length < 1) { return; }
document.getElementById(d).style.display = "block";

}


function ChangeColor(d,e,f,g) {
if(d.length < 1) { return; }
document.getElementById(d).style.color = "red";

if(e.length < 1) { return; }
document.getElementById(e).style.color = "black";

if(f.length < 1) { return; }
document.getElementById(f).style.color = "black";

if(g.length < 1) { return; }
document.getElementById(g).style.color = "black";
}     

function ReverseContentDisplay(d) {
if(d.length < 1) { return; }
if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = ""; }
else { document.getElementById(d).style.display = "none"; }
}