// Image Preload (eliminated bug in which safari doens't load :hover or :active background images)
image1 = new Image();
image1.src = "i/m_bg_hover.gif";
image2 = new Image();
image2.src = "i/m_bg_active.gif";
image3 = new Image();
image3.src = "i/m_bg_txt.png";


// Toggle
function Toggle(e) {
	var b = (document.getElementById(e).style.display == "none");
	Change(e, b);
	SetCookie(e, (b ? "yes" : "no"));
}
function Change(e, b) {
	var o = document.getElementById(e);
	var c = document.getElementById("");
	o.style.display = (b ? "block" : "none");
	if (e == "sleft") {
		c.style.marginLeft = (b ? "18%" : "0");
		}
}
function Restore() {
	for (i = 0; i < Restore.arguments.length; i++)
		Change(Restore.arguments[i], (GetCookie(Restore.arguments[i], "yes") == "yes"));
}

// Cookie
function SetCookie(key, value) {
	document.cookie = key + "=" + value;
}

function GetCookie(key) {
	var a = document.cookie.split(";");
	var b;
	var i;
	for (i = 0; i < a.length; i++) {
		b = a[i].split("=");
		if (b[0].replace(/\s/, '') == key) {
			return b[1].replace(/\s/, '');
		}
	}
	return (GetCookie.arguments.length > 1) ? GetCookie.arguments[1] : false;
}


// Stylesheet Switcher (By Paul Sowden of http://idontsmoke.co.uk/)
function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

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 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 download_wid(x)
{
  document.forms["download"+x].submit();
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);