Derivative Clicker Jiggy 4.2 WIP

function openMenu() {
document.getElementById('modmenucheck').checked = true;
var xten = document.getElementById('modmenucheck').checked;
if (xten == true) {
document.getElementById('modmenuX').outerHTML = "<div id='modmenuX' style='background:blue;width: 300px;'><p style='font-size:30; color:pink' align='middle'>Jiggy 4.2</p><a style='color:lime' onclick='addMoney(9999999999999999999999999999999999999999)'>Money</a><div><a style='color:lime' onclick='addProofs(999999999999999999999999999999999)'>Proofs</a></div><div><a style='color:lime' onclick='getNumToBuy(prompt())'>Num To Buy++</a></div><div><a style='color:lime' onclick='setTitle()'>Set Title</a></div><div><a style='color:lime' onclick='resetTitle()'>Reset Title</a></div><div><a style='color:lime' onclick='addMoney()'>Infinity</a></div><div><p align='middle' onclick='closeMenu()' style='color:red'>Close</p></div></div>";
}
};
function closeMenu() {
document.getElementById('modmenucheck').checked = false;
var xten = document.getElementById('modmenucheck').checked;
if (xten == false) {
document.getElementById('modmenuX').outerHTML = "<div hidden='hidden' id='modmenuX' style='background:blue;width: 300px;'><p style='font-size:30; color:pink' align='middle'>Jiggy 4.2</p><a style='color:lime' onclick='addMoney(9999999999999999999999999999999999999999)'>Money</a><div><a style='color:lime' onclick='addProofs(999999999999999999999999999999999)'>Proofs</a></div><div><a style='color:lime' onclick='getNumToBuy(prompt())'>Num To Buy++</a></div><div><a style='color:lime' onclick='setTitle()'>Set Title</a></div><div><a style='color:lime' onclick='resetTitle()'>Reset Title</a></div><div><a style='color:lime' onclick='addMoney()'>Infinity</a></div><div><p align='middle' onclick='closeMenu()' style='color:red'>Close</p></div></div>";
}
};
function setTitle() {
document.getElementById('header').innerHTML = prompt()
};
function resetTitle() {
document.getElementById('header').innerHTML = "Derivative Clicker"
};
document.getElementById('bottom').outerHTML = "<b style='color:pink; font-size:20' onclick='openMenu()'>Open</b><input hidden='hidden' type='checkbox' id='modmenucheck'><div hidden='hidden' id='modmenuX' style='background:blue;width: 300px;'><p style='font-size:30; color:pink' align='middle'>Jiggy 4.2</p><a style='color:lime' onclick='addMoney(9999999999999999999999999999999999999999)'>Money</a><div><a style='color:lime' onclick='addProofs(999999999999999999999999999999999)'>Proofs</a></div><div><a style='color:lime' onclick='getNumToBuy(prompt())'>Num To Buy++</a></div><div><a style='color:lime' onclick='setTitle()'>Set Title</a></div><div><a style='color:lime' onclick='resetTitle()'>Reset Title</a></div><div><a style='color:lime' onclick='addMoney()'>Infinity</a></div><div><p align='middle' onclick='closeMenu()' style='color:red'>Close</p></div></div>";