function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function checkdata()
{
     var uppervalue;
     if (document.regform1.username.value.length == 0) {
         alert ("The EMAIL field requires an entry.");
         return false;
     }

     uppervalue = document.regform1.username.value.toUpperCase();
     if (uppervalue.indexOf('@') < 0) {
         alert ("The EMAIL field contains an invalid address.  Please check and re-enter.");
         return false;
     }

	 if (uppervalue.indexOf('.') < 0) {
         alert ("The EMAIL field contains an invalid address.  Please check and re-enter.");
         return false;
     }
		 
	 if (document.regform1.password.value.length < 5) {
         alert ("The PASSWORD field must be at least 5 characters in length.");
         return false;
     }
	 $('downloadmessage').innerHTML = 'Thank-you. Your download will begin shortly.';
	 $('loginform').hide();
	 return true;
}

function hidestatus(){
  window.status='';
  return true;
}

function setcountry() {
  window.document.regform.countryname.value=window.document.regform.country.value;
}

function doforgottenpassword() {
var uname;
  uname=window.document.regform1.username.value;
	window.open('alshop_forgottenpassword.php?username=' + uname, 'password', 'resizable=0,scrollbars=0,width=200,height=200,top=300,left=300');
        return true;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function popupform(myform, windowname)
{
valid = ( document.regform.username.value != "" ) && ( document.regform.password.value != "" ) && ( document.regform.fullname.value != "" ) && ( document.regform.address1.value != "" ) && ( document.regform.city.value != "" ) && ( document.regform.country.value != "" ) && ( document.regform.zip.value != "" );		
		if (!valid)    
    {
				alert ( "Please fill in the required fields." );
				return false;
		} else {
		
		    if (!document.regform.terms.checked) {
         alert ("You must agree to our terms and conditions.");
         return false;
     }
		
	      window.document.final.city.value=window.document.regform.city.value;
				window.document.final.country.value=window.document.regform.countryname.value;
				window.document.final.username.value=window.document.regform.username.value;
				window.document.final.password.value=window.document.regform.password.value;
				window.document.final.fullname.value=window.document.regform.fullname.value;
				window.document.final.organisation.value=window.document.regform.organisation.value;
				window.document.final.address1.value=window.document.regform.address1.value;
				window.document.final.address2.value=window.document.regform.address2.value;
				window.document.final.zip.value=window.document.regform.zip.value;
					
        window.open('', windowname, 'resizable=1,scrollbars=1,width=780,height=570');
        myform.target=windowname;
				
        window.document.final.submit();
        return true;
    }
}
 
 
function checkregfields(){
valid = ( document.regform.username.value != "" ) && ( document.regform.password.value != "" ) && ( document.regform.fullname.value != "" ) && ( document.regform.address1.value != "" ) && ( document.regform.city.value != "" ) && ( document.regform.country.value != "" ) && ( document.regform.zip.value != "" );		
		if (!valid)    
    {
				alert ( "Please fill in the required fields." );
		} else {
		   valid = echeck(document.regform.username.value);
			 if (!valid) {
			  alert ( "Username must be a valid email address." );
			 }
		}
		
    if (valid==true) alert ("Passed fields check");
		
    return valid;
}
 
function newsReel() {
	Effect.Fade($('newscontent'), { duration:2, from:1.0, to:0.0, afterFinish: function() {
		$('newscontent').innerHTML=$('news' + i).innerHTML;  
			if (i == 1) {i = 2;}
		 else {i = 1;}
		Effect.Appear($('newscontent'), { duration:2, from:0.0, to:1.0}); 		    
	}}); 
}

function animate(imageroot) {
    imageno++;
	if (imageno > images)
	  imageno = 1;
	$('animator').src = 'images/' + imageroot + imageno + '.jpg';
}

function reviews() {
		Effect.Shrink($('review' + i), { direction: 'bottom-right' });
		i++;
		if (i == items)
		     i = 1;        
        Effect.Appear($('review' + i), { duration:1, from:0.0, to:1.0});
}

function loadShop() {
        fb.start( { href: 'http://www.comedia.org.uk/shop/alshop_shop.php', rev: 'width:1000 outsideClickCloses:false', title: 'Comedia Shop' } )
}

function toggleYears(year) {
   $('year' + year).toggle();
}

function onYouTubePlayerReady(playerId) {
      ytplayer = document.getElementById("vplayer");
	  ytplayer.playVideo();
}

function play(element,mtype,id,w,h,title) {	//nb mtype: 1=vimeo, 2=youtube, 3=flv, 4=mp3
   soundManager.pause('track'); 
   if (!$('vplayer'))
	{ $('telecontent').innerHTML = '<div id="vplayer"></div>'; }
   $('teletitle').innerHTML = title;
   soundManager.destroySound('track');
   swf_id = 'vplayer';
   if (mtype == 1) { //vimeo
		video_id = id;
		flashvars.clip_id = video_id;
		swfobject.embedSWF("http://vimeo.com/moogaloop.swf", swf_id, w, h, "9.0.0","expressInstall.swf", flashvars, params, attributes);					
   } else if (mtype == 2) { //youtube   
		swfobject.embedSWF("http://www.youtube.com/e/" + id + "?enablejsapi=1&playerapiid=ytplayer",
                       swf_id, w, h, "8", null, null, params, atts);
   } else if (mtype == 4) { //sound
		var html = '<p><a href="javascript:playpause()">Click here to pause or restart</a>';
		html += '<p>Click on the link above to pause or restart the sound track</p>';
		html += '<br><img src="' + $('image' + element).value + '" height=200>';
		soundManager.createSound({
			id: 'track',
			url: $('sound' + element).value,
			autoLoad: true,
			autoPlay: true			
		});		
		swfobject.removeSWF('vplayer');
		$('telecontent').innerHTML = html;		
   }
}

function playpause() {   
    soundManager.togglePause('track'); 
}

/***************   MOOGALOOP ******************************/
		
		var moogaloop = false;
		
		function vimeo_player_loaded() {
			moogaloop = document.getElementById(swf_id);
			moogaloop.api_play();
		}
		
/*************** MAILING ******************************/

function submitMailingForm() {
     var url = 'mailing_confirm.php';
     var pars = Form.serialize(document.regform);               
     var myAjax = new Ajax.Request(url, {method: 'get', parameters: pars, onComplete:function(request){
  		  var resp = request.responseText;                
  			if (resp.include('Success'))
          { 
            $('formcontent').innerHTML = 'Thank you for submitting your details to the mailing list. ';          
          }          
        else
          { alert(resp); $('errors').innerHTML = resp; }        
		 }}); 
  }
  
  function checkData () {
     result = ($('usr_full_name').value != '')
              && ($('usr_email').value != '');
     return result;
     
  }
  
  function doMailPosting() {  
     if (checkData()) { 
        submitMailingForm();
        return true;
     }
     else
        return false;    
  }
  
  function doRetrieval() {
     if (checkData()) { 
        GetData();
        return true;
     }
     else
        return false;    
  }
  
  function GetData() {      
     $('retrieve').value = '1';
     document.regform.action = 'index.php';
     document.regform.submit();
  }
  
  var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			   string: navigator.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};