// ----------------------------------------------
// StyleSwitcher functions written by Paul Sowden
// http://www.idontsmoke.co.uk/ss/
// - - - - - - - - - - - - - - - - - - - - - - -
// For the details, visit ALA:
// http://www.alistapart.com/stories/alternate/
//
// nifty StyleSwitcher scripts modified by Aaron Jones 10/10/2002
// ----------------------------------------------

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;
            d = document.getElementById(a.getAttribute("title"))
            if (d) { d.parentNode.parentNode.style.borderColor="#d5d5d5";} 
            e = document.getElementById("small-text");
            if (e && title != '') { e.parentNode.parentNode.style.borderColor="#d5d5d5"; }//alert(e.parentNode.style.borderColor);}
            if (a.getAttribute("title") == title) {
                a.disabled = false;
            }
        }
    }
    change(title);
  
  /* document.getElementById("text-changer").style.borderColor="d5d5d5"; */
  /* for(i=0; (d = document.getElementByID("div")[i]); i++) { */
/*     if(d.getAttribute("class").indexOf("push-right") != -1) { */
/*       d.style.border = "1px solid #d5d5d5"; */
/*     } */
/*   } */
}

function change(title) {
    if (title == 'null' || title == '') { title = 'small-text';}
    which = document.getElementById(title);
    if (which) { which.parentNode.parentNode.style["border"] = "1px solid #666";}
}

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;
}

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);


/*  For Menus  */
sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);