// JavaScript Document
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")) {
      if((a.getAttribute("title") != "basic") && (a.getAttribute("title").indexOf("col") == -1)){
	  a.disabled = true;
	  }
      if(a.getAttribute("title") == title) a.disabled = false;
	  createCookie("style", title, 365);
    }
  }
}
function setActiveStyleSheetcol(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      if((a.getAttribute("title") != "basic") && (a.getAttribute("title").indexOf("car") == -1)){
	  a.disabled = true;
	  }
      if(a.getAttribute("title") == title) a.disabled = false;
	  createCookie("stylecol", title, 365);
    }
  }
}
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 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 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;
}

window.onload = function(e) {
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
if (title == "basic"){
	title = "carpiccolo"
}
setActiveStyleSheet(title);
var cookiecol = readCookie("stylecol");
var titlecol = cookiecol ? cookiecol : getPreferredStyleSheet();
if (titlecol == "basic"){
	titlecol = "col1"
}
setActiveStyleSheetcol(titlecol);
}
