function setStyle(colorTitle)
{
    fontTitle = getActiveStyleSheet();
    setActiveStyleSheet(fontTitle,colorTitle);    
}

function setFontSize(title) {
      setActiveStyleSheet(title);
}

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 setActiveStyleSheet(fontTitle,styleTitle) {
  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") == styleTitle) a.disabled = false;
      if(a.getAttribute("title") == fontTitle) 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 getActiveColorStyleSheet() {
  var i, a, b, c;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) 
    {
	b = b == null ? a.getAttribute("title") : b;
	c = (b != null && b != a.getAttribute("title")) ? a.getAttribute("title") : c;
    }
  }
  return (b != c && c != null) ? c : null;
}
function getPreferredStyleSheet() {
  return ('A-');
}

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 fontCookie = readCookie("waterwaysfontStyle");
  var fontTitle = fontCookie ? fontCookie : getPreferredStyleSheet();
  var colorCookie = readCookie("waterwayscolorStyle");
  var colorTitle = colorCookie ? colorCookie : null;
  if (colorTitle != null)
    setActiveStyleSheet(fontTitle,colorTitle);        
  else
    setActiveStyleSheet(fontTitle);
}

window.onunload = function(e) {
  var fontTitle = getActiveStyleSheet();
  var colorTitle = getActiveColorStyleSheet();
  createCookie("waterwaysfontStyle", fontTitle, 365);
  createCookie("waterwayscolorStyle", colorTitle, 365);  
}

var cookie = readCookie("waterwaysfontStyle");
var title = cookie ? cookie : getPreferredStyleSheet();
if (title == 'null') {
  title = getPreferredStyleSheet();
}

setActiveStyleSheet(title);