function setActiveStyleSheet(title, reset) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("href")) {
      a.disabled = true;
      var regex = new RegExp( title + '\.css$');
      if(regex.test( a.getAttribute("href"))) a.disabled = false;
    }
  }
  for (i=0; (a = document.getElementsByTagName("a")[i]); i++) {
 	if (a.className) {
 		var regex = new RegExp( "'" + title + "'");
  		if (regex.test( a.getAttribute( 'onclick'))) {
			a.className += ' active';
		} else {
			a.className = a.className.replace( /\s+?active/g, '');
		}
 	 }
  }
  if (reset == 1) {
	  createCookie("wstyle", title, 365);
  }
}

function setStyle() {
	var style = readCookie("wstyle");
	if (style != null) {
		setActiveStyleSheet(style, 0);
	}
}

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;
}
setStyle();