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 updateTextTable(currentTitle) {	
	var getFontLayer=document.getElementById("fontAdjuster");
	if (currentTitle=="small") {
		// small font size
		fontHTML=' <a href="javascript:setActiveStyleSheet();updateTextTable();"><img src="images/size1_off.jpg" style="vertical-align: bottom" alt="Small text" title="Small text" onMouseOver="this.src=\'images/size1_on.jpg\'" onMouseOut="this.src=\'images/size1_off.jpg\'" border="0" /></a>&nbsp;<img src="images/size2_on.jpg" alt="Current Text Size Medium" border="0" style="vertical-align: bottom" title="Current Text Size Medium" />&nbsp;<a href="javascript:setActiveStyleSheet(\'large\');updateTextTable(\'large\');"><img src="images/size3_off.jpg" alt="Large text" border="0" style="vertical-align: bottom" title="Large text" onMouseOver="this.src=\'images/size3_on.jpg\'" onMouseOut="this.src=\'images/size3_off.jpg\'" /></a>&nbsp; ';
	}else if (currentTitle=="large") {
		// large font size
		fontHTML=' <a href="javascript:setActiveStyleSheet();updateTextTable();"><img src="images/size1_off.jpg" style="vertical-align: bottom" alt="Small text" title="Small text" onMouseOver="this.src=\'images/size1_on.jpg\'" onMouseOut="this.src=\'images/size1_off.jpg\'" border="0" /></a>&nbsp;<a href="javascript:setActiveStyleSheet(\'small\');updateTextTable(\'small\');"><img src="images/size2_off.jpg" alt="Medium text" border="0" style="vertical-align: bottom" title="Medium text" onMouseOver="this.src=\'images/size2_on.jpg\'" onMouseOut="this.src=\'images/size2_off.jpg\'" /></a>&nbsp;<img src="images/size3_on.jpg" alt="Current Text Size Large" border="0" style="vertical-align: bottom" title="Current Text Size Large" />&nbsp; ';
	}else {
		// default font size
		fontHTML=' <img src="images/size1_on.jpg" style="vertical-align: bottom" alt="Current Text Size Small" title="Current Text Size Small" border="0" />&nbsp;<a href="javascript:setActiveStyleSheet(\'small\');updateTextTable(\'small\');"><img src="images/size2_off.jpg" alt="Medium text" border="0" style="vertical-align: bottom" title="Medium text" onMouseOver="this.src=\'images/size2_on.jpg\'" onMouseOut="this.src=\'images/size2_off.jpg\'" /></a>&nbsp;<a href="javascript:setActiveStyleSheet(\'large\');updateTextTable(\'large\');"><img src="images/size3_off.jpg" alt="Large text" border="0" style="vertical-align: bottom" title="Large text" onMouseOver="this.src=\'images/size3_on.jpg\'" onMouseOut="this.src=\'images/size3_off.jpg\'" /></a>&nbsp; ';
	}
	getFontLayer.innerHTML=fontHTML;
}


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;
}

function setInitialFont() {
  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);
