var nonce;
var intro, iam, name_ind, name_org, iam_ind, iam_org, country, city, postcode, email, optin, submit, icon, addr, thanks, reqd, selectText;
var defaultCountryIndex = 0;

function SHA1 (msg) {

  function rotate_left(n,s) {
    var t4 = ( n<<s ) | (n>>>(32-s));
    return t4;
  };
 
  function lsb_hex(val) {
    var str="";
    var i;
    var vh;
    var vl;
 
    for( i=0; i<=6; i+=2 ) {
      vh = (val>>>(i*4+4))&0x0f;
      vl = (val>>>(i*4))&0x0f;
      str += vh.toString(16) + vl.toString(16);
    }
    return str;
  };
 
  function cvt_hex(val) {
    var str="";
    var i;
    var v;
 
    for( i=7; i>=0; i-- ) {
      v = (val>>>(i*4))&0x0f;
      str += v.toString(16);
    }
    return str;
  };
 
 
  function Utf8Encode(string) {
    string = string.replace(/\r\n/g,"\n");
    var utftext = "";
 
    for (var n = 0; n < string.length; n++) {
 
      var c = string.charCodeAt(n);
 
      if (c < 128) {
        utftext += String.fromCharCode(c);
      }
      else if((c > 127) && (c < 2048)) {
        utftext += String.fromCharCode((c >> 6) | 192);
        utftext += String.fromCharCode((c & 63) | 128);
      }
      else {
        utftext += String.fromCharCode((c >> 12) | 224);
        utftext += String.fromCharCode(((c >> 6) & 63) | 128);
        utftext += String.fromCharCode((c & 63) | 128);
      }
 
    }
 
    return utftext;
  };
 
  var blockstart;
  var i, j;
  var W = new Array(80);
  var H0 = 0x67452301;
  var H1 = 0xEFCDAB89;
  var H2 = 0x98BADCFE;
  var H3 = 0x10325476;
  var H4 = 0xC3D2E1F0;
  var A, B, C, D, E;
  var temp;
 
  msg = Utf8Encode(msg);
 
  var msg_len = msg.length;
 
  var word_array = new Array();
  for( i=0; i<msg_len-3; i+=4 ) {
    j = msg.charCodeAt(i)<<24 | msg.charCodeAt(i+1)<<16 |
    msg.charCodeAt(i+2)<<8 | msg.charCodeAt(i+3);
    word_array.push( j );
  }
 
  switch( msg_len % 4 ) {
    case 0:
      i = 0x080000000;
    break;
    case 1:
      i = msg.charCodeAt(msg_len-1)<<24 | 0x0800000;
    break;
 
    case 2:
      i = msg.charCodeAt(msg_len-2)<<24 | msg.charCodeAt(msg_len-1)<<16 | 0x08000;
    break;
 
    case 3:
      i = msg.charCodeAt(msg_len-3)<<24 | msg.charCodeAt(msg_len-2)<<16 | msg.charCodeAt(msg_len-1)<<8  | 0x80;
    break;
  }
 
  word_array.push( i );
 
  while( (word_array.length % 16) != 14 ) word_array.push( 0 );
 
  word_array.push( msg_len>>>29 );
  word_array.push( (msg_len<<3)&0x0ffffffff );
 
 
  for ( blockstart=0; blockstart<word_array.length; blockstart+=16 ) {
 
    for( i=0; i<16; i++ ) W[i] = word_array[blockstart+i];
    for( i=16; i<=79; i++ ) W[i] = rotate_left(W[i-3] ^ W[i-8] ^ W[i-14] ^ W[i-16], 1);
 
    A = H0;
    B = H1;
    C = H2;
    D = H3;
    E = H4;
 
    for( i= 0; i<=19; i++ ) {
      temp = (rotate_left(A,5) + ((B&C) | (~B&D)) + E + W[i] + 0x5A827999) & 0x0ffffffff;
      E = D;
      D = C;
      C = rotate_left(B,30);
      B = A;
      A = temp;
    }
 
    for( i=20; i<=39; i++ ) {
      temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0x6ED9EBA1) & 0x0ffffffff;
      E = D;
      D = C;
      C = rotate_left(B,30);
      B = A;
      A = temp;
    }
 
    for( i=40; i<=59; i++ ) {
      temp = (rotate_left(A,5) + ((B&C) | (B&D) | (C&D)) + E + W[i] + 0x8F1BBCDC) & 0x0ffffffff;
      E = D;
      D = C;
      C = rotate_left(B,30);
      B = A;
      A = temp;
    }
 
    for( i=60; i<=79; i++ ) {
      temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0xCA62C1D6) & 0x0ffffffff;
      E = D;
      D = C;
      C = rotate_left(B,30);
      B = A;
      A = temp;
    }
 
    H0 = (H0 + A) & 0x0ffffffff;
    H1 = (H1 + B) & 0x0ffffffff;
    H2 = (H2 + C) & 0x0ffffffff;
    H3 = (H3 + D) & 0x0ffffffff;
    H4 = (H4 + E) & 0x0ffffffff;
 
  }
 
  var temp = cvt_hex(H0) + cvt_hex(H1) + cvt_hex(H2) + cvt_hex(H3) + cvt_hex(H4);
 
  return temp.toLowerCase(); 
}

function generateNonce() {
	// skew it a little so that there are more numbers.. like what googles generates - http://show-your-vote.appspot.com/nonce
	var chars = "0123456789abcdefghiklmnopqrstuvwxyz01234567890123456789";
	var string_length = 40;
	var randomstring = '';
	for (var i = 0; i < string_length; i++) {
		var rnum = Math.floor(Math.random() * chars.length);
		randomstring += chars.substring(rnum, rnum + 1);
	}
	nonce = randomstring;
}

function loadNonce() {
	if (!nonce) {
		generateNonce();
		jQuery('[id=nonce]:last').val(SHA1(nonce));
	}
}

function addHandlersAndPopulate() {
	loadNonce();
	jQuery('.org').hide();
	//jQuery('[id=opt_in]:last').change(toggleOptIns);
	populateCountries();
	toggleForm('person');
}

function toggleOptIns() {	
	if($('[id=opt_in]:last').attr('checked'))
	{
		jQuery('[id=email]:last').rules('add', { required: true, messages: { required: reqd} });
	}
	else
	{
		jQuery('[id=email]:last').rules('remove');		
	}
}

// for the forward form on the main site
function initForwardForm() {
	jQuery('[id=forward]:last').validate({
		groups: {
			namemail1: "name1 email1",
			namemail2: "name2 email2",
			namemail3: "name3 email3"
		},
		errorPlacement: function(error, element) {
     if (element.attr("name") == "name1" 
                 || element.attr("name") == "email1" )
       error.insertAfter("[id=email1]:last");
     else
       error.insertAfter(element);
   },

		submitHandler: function(form) {
			forwardFormHandler();
		}
	});
}

function forwardFormHandler() 
{
	var form = jQuery('[id=forward]:last')[0];
	
	jQuery.post("forward.php", {
		sender_name: forward_sender,
		name1: form.name1.value,
		email1: form.email1.value,
		message: form.message.value }, function (data) {
			alert('Thank you, your Invitation has been sent.\r\n\r\nTo Invite more please fill in the form again.');
			form.name1.value='';
			form.email1.value='';
		});
	
	return false;
}

function forwardCancel()
{
	$.facebox.close();
}

// for the voting form on the main site
function initVotingForm() {
	// // check to see if they've previously voted, if so then don't allow it	
	//if ($.cookie('EarthHour2011Voted'))
	//{
	//	jQuery('[id=sign]:last').hide();
	//	jQuery('[id=thanksMessage]:last').hide();
	//	jQuery('[id=thanksPrevMessage]:last').show();
	//}
	//else
	//{
		jQuery('[id=sign]:last').show();
	//	jQuery('[id=thanksPrevMessage]:last').hide();
		jQuery('[id=thanksMessage]:last').hide();
		//jQuery('').hide();
	//}
	jQuery('[id=sign]:last').validate({
		submitHandler: function(form) {
			voteFormHandler();
		}
	});
	
	addHandlersAndPopulate();   
}

function voteFormHandler() 
{
		var opt_in = "0";		
		if (jQuery('[id=opt_in]:last').attr('checked') == true)
			opt_in = "1";
		var form = jQuery('[id=sign]:last')[0];
		
		jQuery.post("vote.php", {
			form_toggle: form.form_toggle.value, 
			person_name: form.person_name.value, 
			org_name: form.org_name.value, 
			email: form.email.value, 
			org_icon: form.org_icon.value, 
			country: form.country.value, 
			state: form.state.value, 
			streetinfo: form.streetinfo.value, 
			city: form.city.value, 
			optin: opt_in, 
			mobile: form.phone.value}, function (data) {
				forward_sender=form.person_name.value;
				jQuery('[id=sign]:last').hide();
				jQuery('[id=thanksMessage]:last').show();
				jQuery('[id=thanksPrevMessage]:last').hide();
				//jQuery('[id=forward]:last').show();
				initForwardForm();
			});

		// send them a 45 day cookie
		jQuery.cookie('EarthHour2011Voted', 'true', { expires: 45, path: '/' });		

		return false;
}

function populateStates() {
	var countryCode = jQuery('[id=country]:last').val();
	if (countriesInfo[countryCode].hasStates) {
		jQuery('.state').show();
		var states = countriesInfo[countryCode].states;
		var state = jQuery('[id=state]:last');
		state.rules('add', { required: true, messages: { required: reqd} });
		state.html('');
		for (var i = 0; i < states.length; i++) {
			var stateOption = jQuery(document.createElement('option'));
			stateOption.val(states[i]);
			stateOption.text(states[i]);
			state.append(stateOption);
		}
	} else {
		state.hide();
		state.rules('remove');
	}
}
function populateCountries() {
	jQuery('.state').hide();
	var countrySelect = jQuery('[id=country]:last');
	countrySelect.change(populateStates);
	for (var countryCode in countriesInfo) {
		var countryOption = jQuery(document.createElement('option'));
		countryOption.val(countryCode);
		countryOption.text(countryCode + " - " + countriesInfo[countryCode].name);
		countrySelect.append(countryOption);
	}
}


function toggleForm(formValue) {

	if (formValue == 'org') {
		jQuery('[id=streetinfo]:last').rules('add', { required: true, messages: { required: reqd} });
		jQuery('[id=org_name]:last').rules('add', { required: true, messages: { required: reqd} });
		jQuery('.person').hide();
		jQuery('.org').show();
	} else {
		jQuery('.org').hide();
		jQuery('[id=streetinfo]:last').rules('remove');
		jQuery('[id=org_name]:last').rules('remove');
		jQuery('[id=person_name]:last').rules('add', { required: true, messages: { required: reqd} });
		jQuery('[id=email]:last').rules('add', { required: true, messages: { required: reqd} });
		jQuery('.person').show();
	}
	jQuery('[id=form_toggle]:last').val(formValue);
}