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;
      }
    }
  }
  var elm = document.getElementById('threeDLink');
  if (title == 'threeD') {
	  elm.href="javascript: setActiveStyleSheet('main');"; 
	  sendToActionScript('threeD');
  } else {
	  if (elm != null) {
	  	elm.href="javascript: setActiveStyleSheet('threeD');"; 
	  }
	  sendToActionScript('main');
  }
}

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();
  var elm = document.getElementById('threeDLink');
  if (title == 'threeD') {
	  elm.href="javascript: setActiveStyleSheet('main');"; 
  } else {
	  elm.href="javascript: setActiveStyleSheet('threeD');"; 
  }
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

var jsReady = false;
	function isReady() {
        return jsReady;
}

function pageInit() {
	jsReady = true;
	if (document.forms["form1"] != null) {
		document.forms["form1"].output.value += "\n" + "JavaScript is ready.\n";
	}
}

function thisMovie(movieName) {
	if (navigator.appName.indexOf("Microsoft") != -1) {
             return window[movieName];
         } else {
             return document[movieName];
         }
}

function sendToActionScript(value) {
	var theMovie = thisMovie("roha");
	if (theMovie != null) {
		theMovie.sendToActionScript(value);
	}
}


function switchTab(id) {
	var elm = document.getElementById('tabContent' + id);
	elm.style.display = "block";
	if (id == 1) {
		var elm2 = document.getElementById('tabContent2');
		elm2.style.display = "none";
		var elm3 = document.getElementById('link1');
		elm3.className = "selected";
		var elm4 = document.getElementById('link2');
		elm4.className = "";
	} else {
		var elm2 = document.getElementById('tabContent1');
		elm2.style.display = "none";
		var elm3 = document.getElementById('link2');
		elm3.className = "selected";
		var elm4 = document.getElementById('link1');
		elm4.className = "";
	}
	
}