var cX = 0; var cY = 0; var rX = 0; var rY = 0;
function UpdateCursorPosition(e){ cX = e.pageX; cY = e.pageY;}
function UpdateCursorPositionDocAll(e){ cX = event.clientX; cY = event.clientY;}
if(document.all) { document.onmousemove = UpdateCursorPositionDocAll; }
 else { document.onmousemove = UpdateCursorPosition; }
 function AssignPosition(d) {
 if(self.pageYOffset) {
 rX = self.pageXOffset;
 rY = self.pageYOffset;
 }

else if(document.documentElement && document.documentElement.scrollTop) {
 rX = document.documentElement.scrollLeft;
 rY = document.documentElement.scrollTop;
 }

else if(document.body) {
rX = document.body.scrollLeft;
rY = document.body.scrollTop;
 }

if(document.all) {
cX += rX;
cY += rY;
}

d.style.left = (cX-240) + "px";
d.style.top = (cY-100) + "px";
 }

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

function ShowContent(d) {
if(d.length < 1) { return; }
var dd = document.getElementById(d);
AssignPosition(dd);
dd.style.display = "block";
 }

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