UBB.Developers Forums Community Development Programming HTML, CSS, and JavaScript Style/Template Changer help

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);

<link rel="stylesheet" type="text/css" href="tcw.css" title="default"/>
<link rel="alternate stylesheet" type="text/css" href="tcw1.css" title="tcw1"/>

<a href="#" 
onclick="setActiveStyleSheet('default'); 
return false;">change style to default</a><a href="#" 
onclick="setActiveStyleSheet('tcw1'); 
return false;">change style to paul</a> 

<script>
function css_drop (select) {
   var value = select.options[select.selectedIndex].value;
   if(value) {
      setActiveStyleSheet(value);
      return false;
   }
   select.selectedIndex = 0;
}
</script>

<form>
<select name="css_drops" onchange="css_drop(this)">
<option>Select a style</option>
<option value="default">change style to default</option>
<option value="tcw1"   >change style to paul</option>
</select>
</form>