/* POPUP WINDOWS */
function WindowOpen(url, title, width, height) {
  window.open(url,title,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=' + width + ',height=' + height + ',screenX=150,screenY=150,top=150,left=150')
}

/* STYLE SHEETS SWITCHER */
function getStyleSheets() {
	if (!document.getElementsByTagName("link")) { return; }
	var links = document.getElementsByTagName("link");
	var count = 0;
	var stylesheetArray = new Array();
	for (var i=0; i<links.length; i++) {
		type = links[i].getAttribute("type");
		if (type=="text/css") {
			stylesheetArray[count] = links[i];
			count++;
			}
	}
	return stylesheetArray;
}

function setStyleSheet(title) {
	var stylesheets = getStyleSheets();
	for (var i=0; i<stylesheets.length; i++) {
		stylesheets[i].disabled = true;
		if (stylesheets[i].getAttribute("title") == title) {
			stylesheets[i].disabled = false;
			createCookie('style',title,365);
		}
	}
}

function getDefaultStyleSheet() {
	var title;
	var stylesheets = getStyleSheets();
	for (var i=0; i<stylesheets.length; i++) {
		if (stylesheets[i].getAttribute("rel").indexOf('alt')== -1) { title = stylesheets[i].getAttribute("title"); }
	}
	return title;
}
		
function getPreferredStyleSheet() {
	var title;
	if (readCookie('style')) { title=readCookie('style'); }
	else { title=getDefaultStyleSheet(); }
	return title;
}


function initStyle() {
	var title = getPreferredStyleSheet();
	setStyleSheet(title);
	document.Search.q.focus();
}


// Cookie scripts

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 var 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 eraseCookie(name)
{
	createCookie(name,"",-1);
}

// CLOCKs

function updateClock ( )
{
  var currentTime = new Date ( );

  var currentHours = currentTime.getHours ( );
  var currentMinutes = currentTime.getMinutes ( );
  var currentSeconds = currentTime.getSeconds ( );

  // Pad the minutes and seconds with leading zeros, if required
  currentMinutes = ( currentMinutes < 10 ? "0" : "" ) + currentMinutes;
  currentSeconds = ( currentSeconds < 10 ? "0" : "" ) + currentSeconds;

  // Choose either "AM" or "PM" as appropriate
  // var timeOfDay = ( currentHours < 12 ) ? "AM" : "PM";

  // Convert the hours component to 12-hour format if needed
  // currentHours = ( currentHours > 12 ) ? currentHours - 12 : currentHours;

  // Convert an hours component of "0" to "12"
  currentHours = ( currentHours == 0 ) ? 12 : currentHours;

  // Compose the string for display
  var currentTimeString = currentHours + ":" + currentMinutes + ":" + currentSeconds;

  // Update the time display
  document.getElementById("clock").firstChild.nodeValue = currentTimeString;
}


function SelectPerformance(IDD)
{
    for (var i = 0; i < document.reservations.elements.length; i++) 
	{
        if ((document.reservations.elements[i].name == "IDD") && (document.reservations.elements[i].value == IDD))
		{    
			document.reservations.elements[i].checked = true;
		}
    }
}

function ConfirmConditions()
{
	if (document.reservations.conditions.checked == true)
	{
		document.reservations.submit.disabled = false;
	}
	else
	{
		document.reservations.submit.disabled = true;
	}
}

function ajaxRequest(url, htmlElementId)
{
  if (window.XMLHttpRequest)
  {
	// code for IE7+, Firefox, Chrome, Opera, Safari
	xmlhttp=new XMLHttpRequest();
  }
  else
  {
	// code for IE6, IE5
    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
  xmlhttp.onreadystatechange=function()
  {
    if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
      document.getElementById(htmlElementId).innerHTML=xmlhttp.responseText;
    }
  }
  xmlhttp.open("GET",url,true);
  xmlhttp.send();
}