// JavaScript Document
// Form navigation stuff

function navSubmit()
	{
		var url = document.forms[0].formLink.value.toLowerCase();	
		var url= url.replace(" ", "");
		
	if (url == "cd.") {
	    window.location.reload(false);
	}
	else if (url == "reload") {
	    window.location.reload(false);
	}
	else {
		switch (url)
			{
			case "home":
			url = "index";
			break
			case "cd..":
			url = "index";
			break
			case "abort":
			url = "index";
			break
			case "retry":
			url = "index";
			break
			case "fail":
			url = "index";
			break
			case "about":
			url = "about";
			break
			case "cv":
			url = "cv";
			break
			case "clips":
			url = "clips";
			break
			case "links":
			url = "links";
			break
			}
		window.location = "http://www.bomphiologia.com/" + url + ".html";
		document.forms[0].formLink.value="";
		return false;
		}
	}

// Stylesheet switcher

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;
}

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);