function resetpw() {
  email = prompt("Enter your email address:","username@example.com");
  if (email) {
    new Ajax.Request ("PHPfunctions.php", {
      method:"POST",
      parameters:{'type':'resetpw','email':email},
      onSuccess: function (transport) {alert(transport.responseText);}
    });
  }
}
function preload(imgarr) {
  preload = new Array();
  for (var i=0;i<imgarr.length;i++) {
    preload[i] = new Image();
    preload[i].src = imgarr[i];
  }
}

var imgobj;
var t;
var imgopacity;
var imgindex;
function loadfader() {
  imgobj = document.getElementById('imagechanger');
  t=setTimeout("imagefade();",5000);
  imgopacity = 100;
  imgindex = 0;
}
function imagefade() {
  imgopacity -= 10;
  try {imgobj.style.opacity = Math.abs(imgopacity) / 100;} catch (err) {}
  if (imgobj.style.filter) {
	try {imgobj.style.filter.alpha = imgopacity;} catch (err) {}
  }
  if (imgopacity==0) {
    imgindex++;
    if (imgindex==imgarr.length) {
      imgindex = 0;
    }
    imgobj.getElementsByTagName("img")[0].src = imgarr[imgindex];
    try {
      document.getElementById('textchanger').innerHTML = textarr[imgindex];
    } catch(err) {}
  }
  if (imgopacity == -100) {
    imgopacity = 100;
    t = setTimeout("imagefade();",5000);
  } else if (imgopacity ==0) {
    t = setTimeout("imagefade();",400);
  } else {
    t = setTimeout("imagefade();",50);
  }
}
function hide (num) {
  elements = document.getElementsByTagName(tag);
  for (i=0;i<elements.length;i++) {
    if (elements[i].className=='invisible'+num) {
      elements[i].style.display='none';
    }
  }
}
function hideall () {
  elements = document.getElementsByTagName(tag);
  for (i=0;i<elements.length;i++) {
    elements[i].style.display='none';
  }
}
function show (num) {
  elements = document.getElementsByTagName(tag);
  for (i=0;i<elements.length;i++) {
    if (elements[i].className=='invisible'+num) {
      elements[i].style.display='inline';
    }
  }
}
function showall () {
  elements = document.getElementsByTagName(tag);
  for (i=0;i<elements.length;i++) {
    if (elements[i].className=='invisible') {
      elements[i].style.display='inline';
    }
  }
}
function active(element) {
  list = element.parentNode.getElementsByTagName('li');
  for (i=0;i<list.length;i++) {
    list[i].style.background='#222222';
    list[i].style.borderColor='#444444';
  }
  element.style.background='#440000';
  element.style.borderColor='#772222';
}