function createCookie(name,value,days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name)
{
	createCookie(name,"",-1);
}

function fill_cookie() {
 createCookie('username',unescape(document.signup.username.value),7);
}

function setup_signup() {
   document.signup.username.focus();
 }

function check_signup() {
 if (document.signup.username.value=="") {
  document.signup.username.focus();
  alert("Enter USERNAME, please!");
  return false;
 };
 if (document.signup.password.value=="") {
  document.signup.password.focus();
  alert("Enter PASSWORD, please!");
  return false;
 };
 document.signup.submit.value="Wait!";
 document.signup.submit.disabled=true;
}

function login() {
 if (document.all['login'].style.display=="none")
  document.all['login'].style.display="block";
 else
  document.all['login'].style.display="none";
}