function setActiveStyleSheet(title) {
  //alert(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;
	     $("#sizer img").attr("src","/SiteData/images/btn_" + title + ".gif");
	   }
    }
  }
}

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;
}

$(document).ready(function(){
	var cookie = readCookie("style");
	var loadtitle = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(loadtitle);
	//alert("Setting style on load");
	
    $("#sizer img").click(function(){
	    //alert(getActiveStyleSheet());
        if(getActiveStyleSheet() == "default"){
			//alert("Calling from if");
            setActiveStyleSheet("larger");    
        } else if(getActiveStyleSheet() == "larger") {
		    //alert("Calling from else");
            setActiveStyleSheet("default");
        }
    });
});

/*window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}*/

$(window).unload(function() {
  var unloadtitle = getActiveStyleSheet();
  createCookie("style", unloadtitle, 365);
});
/*
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);
*/