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/* mobile navigation menu */
function nav_menu() {
var nav = document.getElementById("menu");
if (nav.style.display === "block")
nav.style.display = "none";
else
nav.style.display = "block";
}
/* menu button click detection */
var btn_nav = document.getElementById("nav-btn");
btn_nav.addEventListener("click",nav_menu);
/* toggle optional form inputs via checkboxes */
function form_mail() {
var chk_mail = document.getElementById("chk-mail");
var mail = document.getElementById("mail");
if (chk_mail.checked == true)
mail.style.display = "block";
else
mail.style.display = "none";
}
function form_phone() {
var chk_phone = document.getElementById("chk-phone");
var phone = document.getElementById("phone");
if (chk_phone.checked == true)
phone.style.display = "block";
else
phone.style.display = "none";
}
function form_website() {
var chk_website = document.getElementById("chk-website");
var website = document.getElementById("website");
if (chk_website.checked == true)
website.style.display = "block";
else
website.style.display = "none";
}
/* checkboxes click detection */
var chk_mail = document.getElementById("chk-mail");
chk_mail.addEventListener("click",form_mail);
var chk_phone = document.getElementById("chk-phone");
chk_phone.addEventListener("click",form_phone);
var chk_website = document.getElementById("chk-website");
chk_website.addEventListener("click",form_website);
/* deselect checkboxes when clearing form */
function form_clear() {
document.getElementById("mail").style.display = "none"
document.getElementById("phone").style.display = "none"
document.getElementById("website").style.display = "none"
}
function progress() {
var classes = 0;
var done = 0;
var have_credits = 0;
var need_credits = 0;
var table = document.getElementById("classes")
for (var i=1,r; r=table.rows[i]; i++) {
classes++;
if (r.cells[0].innerHTML === "Yes") {
done++;
have_credits += Number(r.cells[3].innerHTML);
r.cells[0].style.color = "#00E100";
}else {
r.cells[0].style.color = "#E10000";
need_credits += Number(r.cells[3].innerHTML);
}
}
document.getElementById("done").textContent
+= " " + Math.round(done/classes*100)+'%';
document.getElementById("credits").textContent
+= " " + have_credits + " of "
+ (have_credits+need_credits);
}
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