window.onload = setStyle;

// ----------------------------------------------
// Javascript Style Switcher
// - - - - - - - - - - - - - - - - - - - - - - -
// For details, visit AListApart:
// http://www.alistapart.com/stories/alternate/
// ----------------------------------------------

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("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
  if (reset == 1) {
	  createCookie("wstyle", title, 365);
  }

	// change the 'A' images based on the text size the user has selected
	if (title == "Normal Text") {
	 //alert("swap to normal");
	 document.NormalA.src = "/lib/images/text_sm2.gif";
	 document.MediumA.src = "/lib/images/text_med.gif";
	 document.LargeA.src = "/lib/images/text_lg.gif";
	}
	if (title == "Medium Text") {
	//alert("swap to medium");
	document.NormalA.src = "/lib/images/text_sm.gif";
	document.MediumA.src = "/lib/images/text_med2.gif";
	document.LargeA.src = "/lib/images/text_lg.gif";
	}
	if (title == "Large Text") {
	//alert("swap to large");
	document.NormalA.src = "/lib/images/text_sm.gif";
	document.MediumA.src = "/lib/images/text_med.gif";
	document.LargeA.src = "/lib/images/text_lg2.gif";
	}
}

function setStyle() {
	var style = readCookie("wstyle");
	if (style != null) {
		setActiveStyleSheet(style, 0);
	} else {
	   // default to normal;
	   document.NormalA.src = "/lib/images/text_sm2.gif";
	   document.MediumA.src = "/lib/images/text_med.gif";
	   document.LargeA.src = "/lib/images/text_lg.gif";
	}
}

// ----------------------------------------------
// Cookie functions
// ----------------------------------------------

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+";domain=.eddataonline.com;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 getCookieFlash(name) {
    var re = new RegExp(name + "=([^;]+)");
    var value = re.exec(document.cookie);
    return (value != null) ? unescape(value[1]) : null;
}