function chImg(img) {
	document.getElementById('galleryCurrentImage').src = '/images/phpThumb.php/zc=1;471x353;'+img;
}

function doSearch(where, index, str) {
	document.forms.search.action = './'+where+'/page:'+index;
	document.forms.search.s.value = str;
	document.forms.search.submit();
}

function doSubscribe() {
	document.forms.mailing.value = 'subscribe';
	document.forms.mailing.submit();
}

function validate(f) {
    var regEmail = /^[A-Za-z0-9\-_]+(\.[A-Za-z0-9\-_]+)*@([A-Za-z0-9\-_\.]+\.)+[A-Za-z]{2,8}$/i;
    
    if (document.contact.name.value < 1) {
			alert("Полето \"Име\" е задължително!");
            document.contact.name.focus();
            return false;
    }

    if (document.contact.email.value < 1) {
			alert("Полето \"Email адрес\" е задължително!");
            document.contact.email.focus();
            return false;
    } else {
        if (document.contact.email.value.search(regEmail) == -1) {
            alert("Моля посочете валиден e-mail адрес!");
            document.contact.email.focus();
            return false;
        }
    }

	if (document.contact.message.value < 1) {
			alert("Полето \"Съобщение\" е задължително!");
            document.contact.message.focus();
            return false;
    }    

}

function validateEn(f) {
    var regEmail = /^[A-Za-z0-9\-_]+(\.[A-Za-z0-9\-_]+)*@([A-Za-z0-9\-_\.]+\.)+[A-Za-z]{2,8}$/i;
    
    if (document.contact.name.value < 1) {
			alert("Enter field \"Name\"!");
            document.contact.name.focus();
            return false;
    }
	
    if (document.contact.email.value < 1) {
			alert("Enter field  \"E-mail\"!");
            document.contact.email.focus();
            return false;
    } else {
        if (document.contact.email.value.search(regEmail) == -1) {
            alert("Please enter valid e-mail!");
            document.contact.email.focus();
            return false;
        }
    }
	
	if (document.contact.message.value < 1) {
			alert("Enter field  \"Message\"!");
            document.contact.message.focus();
            return false;
    }    

}

function lightup(imgName) {
	imgOn = eval(imgName + "on.src");
	document.getElementById(imgName).src = imgOn;
}

function turnoff(imgName) {
	imgOff = eval(imgName + "off.src");
	document.getElementById(imgName).src = imgOff;
}

var current_img = 0;

function gallery_next() {
	images_for_cycle = all_images.split('|') || '';
	current_img = current_img + 1;
	
	if(!images_for_cycle[current_img])
		current_img = 0;

	document.getElementById('frontGalleryCurrentImage').src = images_for_cycle[current_img];
	
		preload = new Image();
		preload.src = images_for_cycle[current_img + 1];
}

function gallery_prev() {
	images_for_cycle = all_images.split('|') || '';
	current_img = current_img - 1;
	
	if(!images_for_cycle[current_img])
		current_img = images_for_cycle.length - 1;

	document.getElementById('frontGalleryCurrentImage').src = images_for_cycle[current_img];
	
		preload = new Image();
		preload.src = images_for_cycle[current_img - 1];
}
var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

function encode64(input) {
   var output = "";
   var chr1, chr2, chr3;
   var enc1, enc2, enc3, enc4;
   var i = 0;

   do {
      chr1 = input.charCodeAt(i++);
      chr2 = input.charCodeAt(i++);
      chr3 = input.charCodeAt(i++);

      enc1 = chr1 >> 2;
      enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
      enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
      enc4 = chr3 & 63;

      if (isNaN(chr2)) {
         enc3 = enc4 = 64;
      } else if (isNaN(chr3)) {
         enc4 = 64;
      }

      output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) + 
         keyStr.charAt(enc3) + keyStr.charAt(enc4);
   } while (i < input.length);
   
   return output;
}

function decode64(input) {
   var output = "";
   var chr1, chr2, chr3;
   var enc1, enc2, enc3, enc4;
   var i = 0;

   // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
   input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

   do {
      enc1 = keyStr.indexOf(input.charAt(i++));
      enc2 = keyStr.indexOf(input.charAt(i++));
      enc3 = keyStr.indexOf(input.charAt(i++));
      enc4 = keyStr.indexOf(input.charAt(i++));

      chr1 = (enc1 << 2) | (enc2 >> 4);
      chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
      chr3 = ((enc3 & 3) << 6) | enc4;

      output = output + String.fromCharCode(chr1);

      if (enc3 != 64) {
         output = output + String.fromCharCode(chr2);
      }
      if (enc4 != 64) {
         output = output + String.fromCharCode(chr3);
      }
   } while (i < input.length);

   return output;
}

$(document).ready( function() {
	var fromImage = 0;
	var totalImages = $(".sightseeingGalleryBg .images a.whatToSee").size();
	
	if((5 + fromImage) < totalImages) {
		$('.images a.whatToSee').hide();

		for(i = fromImage; i < (7 + fromImage); i++)
			$('.images a.whatToSee:eq('+i+')').show();
	}
	
	// WHAT TO SEE IN PRAGUE GALLERY
	$(".prev6").click( function() {
		if(fromImage > 0)
			fromImage = fromImage - 1;

		$('.images a.whatToSee').hide();

		for(i = fromImage; i < (7 + fromImage); i++) {
			$('.images a.whatToSee:eq('+i+')').show();
		}

		return false;
	});
	
	$(".next6").click( function() {
		if((fromImage + 6) < totalImages)
			fromImage = fromImage + 1;

		$('.images a.whatToSee').hide();

		for(i = fromImage; i < (7 + fromImage); i++) {
			$('.images a.whatToSee:eq('+i+')').show();
		}

		return false;
	});
	// END WHAT TO SEE IN PRAGUE GALLERY
});