function showmenu() {
  document.getElementById("nav").style.display = "block";
  document.getElementById("navad").style.display = "none";
}
function hidemenu() {
  document.getElementById("navad").style.display = "block";
  document.getElementById("nav").style.display = "none";
}
var newcreditwindow;
function popupcredit(url)
{
	newcreditwindow=window.open(url,'name','toolbar=no,menubar=no,location=no,scrollbars=no,resizable=yes,height=218,width=564');
	if (window.focus) {newcreditwindow.focus()}
}
var newwindow;
function popup(url)
{
	newwindow=window.open(url,'name','toolbar=no,menubar=no,location=no,scrollbars=no,resizable=yes,height=584,width=564');
	if (window.focus) {newwindow.focus()}
}