(function($) {
	
	$.alerts = {
		
		// These properties can be read/written by accessing $.alerts.propertyName from your scripts at any time
		
		verticalOffset: -75,                          // vertical offset of the dialog from center screen, in pixels; default -75
		horizontalOffset: 25,                         // horizontal offset of the dialog from center screen, in pixels/
		repositionOnResize: true,                     // re-centers the dialog on window resize
		overlayOpacity: .01,                          // transparency level of overlay
		overlayColor: '#FFF',                         // base color of overlay
		draggable: false,                             // make the dialogs draggable (requires UI Draggables plugin)
		okButton: ' OK ',                   // text for the OK button
		inviteButton: ' Invite ',           // text for the Invite button
		cancelButton: ' Cancel ',           // text for the Cancel button
		closeButton: ' Close ',             // text for the Close button
		dialogClass: null,                            // if specified, this class will be applied to all dialogs
		
		// Public methods
		
		alert: function(message, title, callback) {
			if( title == null ) title = 'Alert';
			$.alerts._show(false, title, message, null, 'alert', function(result) {
				if( callback ) callback(result);
			});
		},
		
		show_modal_window_for_protected_photo: function(message, title, callback) {
		if( title == null ) title = 'Alert';
		$.alerts._show(false, title, message, null, 'show_modal_window_for_protected_photo', function(result) {
  		  if( callback ) callback(result);
  		});
		},
		
		show_modal_window_for_protected_content: function(message, title, callback) {
		if( title == null ) title = 'Alert';
		$.alerts._show(false, title, message, null, 'show_modal_window_for_protected_content', function(result) {
  		  if( callback ) callback(result);
  		});
		},
		
		show_modal_window: function(html, title, callback) {
		if( title == null ) title = 'Modal Window';
		$.alerts._show(true, title, html, null, 'show_modal_window', function(result) {
		if( callback ) callback(result);
		});
		},
		
		tags: function(html, title, callback) {
		  if( title == null ) title = 'Modal Window';
		  $.alerts._show(true, title, html, null, 'tags', function(result) {
			if( callback ) callback(result);
		  });
		},
		
		sendMessage: function(html, title, callback) {
		  if( title == null ) title = 'Send message';
		  $.alerts._show(false, title, html, null, 'sendMessage', function(result) {
			if( callback ) callback(result);
		  });
		},
		
		sendMessageToGroup: function(html, title, callback) {
		  if( title == null ) title = 'Send message to Group';
		  $.alerts._show(false, title, html, null, 'sendMessageToGroup', function(result) {
			if( callback ) callback(result);
		  });
		},
		
		sendMessageToEvent: function(html, title, callback) {
		  if( title == null ) title = 'Send message to Event';
		  $.alerts._show(false, title, html, null, 'sendMessageToEvent', function(result) {
			if( callback ) callback(result);
		  });
		},
		
		sendMessageToBuy: function(html, title, callback) {
		  if( title == null ) title = 'Contact to buy';
		  $.alerts._show(false, title, html, null, 'sendMessageToBuy', function(result) {
			if( callback ) callback(result);
		  });
		},
			
		confirm: function(message, title, callback) {
			if( title == null ) title = 'Confirm';
			$.alerts._show(false, title, message, null, 'confirm', function(result) {
				if( callback ) callback(result);
			});
		},
		
		invite: function(message, title, callback) {
		if( title == null ) title = 'Invite';
		$.alerts._show(false, title, message, null, 'invite', function(result) {
		if( callback ) callback(result);
		});
		},
			
		prompt: function(message, value, title, callback) {
			if( title == null ) title = 'Prompt';
			$.alerts._show(false, title, message, value, 'prompt', function(result) {
				if( callback ) callback(result);
			});
		},
		
		prompt_ta: function(message, value, title, callback) {
		if( title == null ) title = 'Prompt';
		$.alerts._show(false, title, message, value, 'prompt_ta', function(result) {
		if( callback ) callback(result);
		});
		},
		
		// Private methods
		
		_show: function(is_html, title, msg, value, type, callback) {
			
			$.alerts._hide();
			$.alerts._overlay('show');
			
			$("BODY").append(
			  '<div id="popup_container">' +
			    '<h1 id="popup_title"></h1>' +
			    '<div id="popup_content">' +
			      '<div id="popup_message"></div>' +
				'</div>' +
			  '</div>');
			
			if( $.alerts.dialogClass ) $("#popup_container").addClass($.alerts.dialogClass);
			
			// IE6 Fix
			var pos = ($.browser.msie && parseInt($.browser.version) <= 6 ) ? 'absolute' : 'fixed'; 
			
			$("#popup_container").css({
				position: pos,
				zIndex: 99999,
				padding: 0,
				margin: 0
			});
			
			$("#popup_title").text(title);
			$("#popup_content").addClass(type);
			
			if (is_html) {
				$("#popup_message").addClass('htmlwide');
        $("#popup_message").html(msg);
			}
			else {
			  $("#popup_message").text(msg);
        $("#popup_message").html( $("#popup_message").text().replace(/\n/g, '<br />') );
			}
			
			$("#popup_message").html( $("#popup_message").html().replace(/\n/g, '<br />') );
			
			$("#popup_container").css({
				minWidth: $("#popup_container").outerWidth(),
				maxWidth: $("#popup_container").outerWidth()
			});
			
			$.alerts._reposition();
			$.alerts._maintainPosition(true);
			
			switch( type ) {
				case 'alert':
					$("#popup_message").after('<div id="popup_panel"><input type="button" value="' + $.alerts.okButton + '" id="popup_ok" /></div>');
					$("#popup_ok").click( function() {
						$.alerts._hide();
						callback(true);
					});
					$("#popup_ok").focus().keypress( function(e) {
						if( e.keyCode == 13 || e.keyCode == 27 ) $("#popup_ok").trigger('click');
					});
				break;
				case 'show_modal_window_for_protected_photo':
				  $("#popup_message").after('<div id="popup_panel"><input type="button" value="Cancel" style="margin-left: 20px;" id="popup_ok" /><input type="button" value="Sign In" id="popup_sign_in" style="margin-left: 15px;" /><input type="button" value="Register" id="register" style="margin-left: 15px;" onclick="window.location=\'/register/index\';" /></div>');
				  $("#popup_ok").click( function() {
					$.alerts._hide();
					callback(false);
				  });
				  $("#popup_ok").focus().keypress( function(e) {
					if( e.keyCode == 13 || e.keyCode == 27 ) $("#popup_ok").trigger('click');
				  });
				  $("#popup_sign_in").click( function() {
					$.alerts._hide();
					callback(true);
				  });
				  $("#popup_sign_in").focus().keypress( function(e) {
					if( e.keyCode == 13 || e.keyCode == 27 ) $("#popup_sign_in").trigger('click');
				  });
				break;
				case 'show_modal_window_for_protected_content':
				  $("#popup_message").after('<div id="popup_panel"><input type="button" value="Cancel" style="margin-left: 20px;" id="popup_ok" /><input type="button" value="Sign In" id="popup_sign_in" style="margin-left: 15px;" /><input type="button" value="Register" id="register" style="margin-left: 15px;" onclick="window.location=\'/register/index\';" /></div>');
				  $("#popup_ok").click( function() {
					$.alerts._hide();
					callback(false);
				  });
				  $("#popup_ok").focus().keypress( function(e) {
					if( e.keyCode == 13 || e.keyCode == 27 ) $("#popup_ok").trigger('click');
				  });
				  $("#popup_sign_in").click( function() {
					$.alerts._hide();
					callback(true);
				  });
				  $("#popup_sign_in").focus().keypress( function(e) {
					if( e.keyCode == 13 || e.keyCode == 27 ) $("#popup_sign_in").trigger('click');
				  });
				break;
				case 'show_modal_window':
				  $("#popup_message").after('<div id="popup_panel"><input type="button" value="' + $.alerts.closeButton + '" id="popup_ok" /></div>');
				  $("#popup_ok").click( function() {
					$.alerts._hide();
					callback(true);
				  });
				  $("#popup_ok").focus().keypress( function(e) {
					if( e.keyCode == 13 || e.keyCode == 27 ) $("#popup_ok").trigger('click');
				  });
				break;
				case 'tags':
				  $("#popup_message").after('<div id="popup_panel"><input type="button" class="removeTags" value="Remove tags" /><input type="button" value="Cancel" id="popup_ok" /></div>');
				  $("#popup_ok").click( function() {
					$.alerts._hide();
					callback(true);
				  });
				  $("#popup_ok").focus().keypress( function(e) {
					if( e.keyCode == 13 || e.keyCode == 27 ) $("#popup_ok").trigger('click');
				  });
				break;
				case 'sendMessage':
				  $("#popup_message").after('<div id="popup_panel"><input type="button" id="sendMessageBtn" value="Send" /><input type="button" value="Cancel" id="popup_cancel" /></div>');
				  $("#sendMessageBtn").click( function() {
					var data = $('form.sendMessage').serialize();
					//alert(data);
					$.ajax({type: 'POST', url: '/memberList/sendMessage', data: data, success: function(result){ if (result == 'success') { reportSuccess('Your message is sent'); } else { reportError('Your message is not sent') } } })
					$.alerts._hide();
					//callback(true);
				  });
				  $("#sendMessageBtn").focus().keypress( function(e) {
					if( e.keyCode == 13 || e.keyCode == 27 ) $("#sendMessageBtn").trigger('click');
				  });
				  $("#popup_cancel").click( function() {
						$.alerts._hide();
					});
				break;
				case 'sendMessageToGroup':
				  $("#popup_message").after('<div id="popup_panel"><input type="button" id="sendMessageBtn" value="Send" /><input type="button" value="Cancel" id="popup_cancel" /></div>');
				  $("#sendMessageBtn").click( function() {
					var data = $('form.sendMessage').serialize();
					//alert(data);
					$.ajax({type: 'POST', url: '/groups/messageAllMembers', data: data, success: function(result){ if (result == 'success') { reportSuccess('Your message is sent'); } else { reportError('Your message is not sent') } } })
					$.alerts._hide();
					//callback(true);
				  });
				  $("#sendMessageBtn").focus().keypress( function(e) {
					if( e.keyCode == 13 || e.keyCode == 27 ) $("#sendMessageBtn").trigger('click');
				  });
				  $("#popup_cancel").click( function() {
						$.alerts._hide();
					});
				break;
				case 'sendMessageToEvent':
				  $("#popup_message").after('<div id="popup_panel"><input type="button" id="sendMessageBtn" value="Send" /><input type="button" value="Cancel" id="popup_cancel" /></div>');
				  $("#sendMessageBtn").click( function() {
					var data = $('form.sendMessage').serialize();
					//alert(data);
					$.ajax({type: 'POST', url: '/event/messageAllMembers', data: data, success: function(result){ if (result == 'success') { reportSuccess('Your message is sent'); } else { reportError('Your message is not sent') } } })
					$.alerts._hide();
					//callback(true);
				  });
				  $("#sendMessageBtn").focus().keypress( function(e) {
					if( e.keyCode == 13 || e.keyCode == 27 ) $("#sendMessageBtn").trigger('click');
				  });
				  $("#popup_cancel").click( function() {
						$.alerts._hide();
					});
				break;
				case 'sendMessageToBuy':
				  $("#popup_message").after('<div id="popup_panel"><input type="button" id="sendMessageBtn" value="Send" /><input type="button" value="Cancel" id="popup_cancel" /></div>');
				  $("#sendMessageBtn").click( function() {
					var data = $('form.sendMessage').serialize();
					//alert(data);
					$.ajax({type: 'POST', url: '/marketplace/sendMessage', data: data, success: function(result){ if (result == 'success') { reportSuccess('Your message is sent'); } else { reportError('Your message is not sent') } } })
					$.alerts._hide();
					//callback(true);
				  });
				  $("#sendMessageBtn").focus().keypress( function(e) {
					if( e.keyCode == 13 || e.keyCode == 27 ) $("#sendMessageBtn").trigger('click');
				  });
				  $("#popup_cancel").click( function() {
						$.alerts._hide();
					});
				break;
				case 'confirm':
					$("#popup_message").after('<div id="popup_panel"><input type="button" value="' + $.alerts.okButton + '" id="popup_ok" /> <input type="button" value="' + $.alerts.cancelButton + '" id="popup_cancel" /></div>');
					$("#popup_ok").click( function() {
						$.alerts._hide();
						if( callback ) callback(true);
					});
					$("#popup_cancel").click( function() {
						$.alerts._hide();
						if( callback ) callback(false);
					});
					$("#popup_ok").focus();
					$("#popup_ok, #popup_cancel").keypress( function(e) {
						if( e.keyCode == 13 ) $("#popup_ok").trigger('click');
						if( e.keyCode == 27 ) $("#popup_cancel").trigger('click');
					});
				break;
				case 'invite':
          $("#popup_message").after('<div id="popup_panel"><input type="button" value="' + $.alerts.inviteButton + '" id="popup_ok" /> <input type="button" value="' + $.alerts.cancelButton + '" id="popup_cancel" /></div>');
          $("#popup_ok").click( function() {
            $.alerts._hide();
            if( callback ) callback(true);
          });
          $("#popup_cancel").click( function() {
            $.alerts._hide();
            if( callback ) callback(false);
          });
          $("#popup_ok").focus();
          $("#popup_ok, #popup_cancel").keypress( function(e) {
            if( e.keyCode == 13 ) $("#popup_ok").trigger('click');
            if( e.keyCode == 27 ) $("#popup_cancel").trigger('click');
          });
        break;
				case 'prompt':
					$("#popup_message").append('<br /><input type="text" size="30" id="popup_prompt" />').after('<div id="popup_panel"><input type="button" value="' + $.alerts.okButton + '" id="popup_ok" /> <input type="button" value="' + $.alerts.cancelButton + '" id="popup_cancel" /></div>');
					$("#popup_prompt").width( $("#popup_message").width() );
					$("#popup_ok").click( function() {
						var val = $("#popup_prompt").val();
						$.alerts._hide();
						if( callback ) callback( val );
					});
					$("#popup_cancel").click( function() {
						$.alerts._hide();
						if( callback ) callback( null );
					});
					$("#popup_prompt, #popup_ok, #popup_cancel").keypress( function(e) {
						if( e.keyCode == 13 ) $("#popup_ok").trigger('click');
						if( e.keyCode == 27 ) $("#popup_cancel").trigger('click');
					});
					if( value ) $("#popup_prompt").val(value);
					$("#popup_prompt").focus().select();
				break;
				case 'prompt_ta':
          $("#popup_message").append('<br /><textarea style="width:150px; height: 80px;" id="popup_prompt" />').after('<div id="popup_panel"><input type="button" value="' + $.alerts.okButton + '" id="popup_ok" /> <input type="button" value="' + $.alerts.cancelButton + '" id="popup_cancel" /></div>');
          $("#popup_prompt").width( $("#popup_message").width() );
          $("#popup_ok").click( function() {
            var val = $("#popup_prompt").val();
            $.alerts._hide();
            if( callback ) callback( val );
          });
          $("#popup_cancel").click( function() {
            $.alerts._hide();
            if( callback ) callback( null );
          });
          $("#popup_prompt, #popup_ok, #popup_cancel").keypress( function(e) {
            if( e.keyCode == 13 ) $("#popup_ok").trigger('click');
            if( e.keyCode == 27 ) $("#popup_cancel").trigger('click');
          });
          if( value ) $("#popup_prompt").val(value);
          $("#popup_prompt").focus().select();
        break;
			}
			
			// Make draggable
			if( $.alerts.draggable ) {
				try {
					$("#popup_container").draggable({ handle: $("#popup_title") });
					$("#popup_title").css({ cursor: 'move' });
				} catch(e) { /* requires jQuery UI draggables */ }
			}
		},
		
		_hide: function() {
			$("#popup_container").remove();
			$.alerts._overlay('hide');
			$.alerts._maintainPosition(false);
		},
		
		_overlay: function(status) {
			switch( status ) {
				case 'show':
					$.alerts._overlay('hide');
					$("BODY").append('<div id="popup_overlay"></div>');
					$("#popup_overlay").css({
						position: 'absolute',
						zIndex: 99998,
						top: '0px',
						left: '0px',
						width: '100%',
						height: $(document).height(),
						background: $.alerts.overlayColor,
						opacity: $.alerts.overlayOpacity
					});
				break;
				case 'hide':
					$("#popup_overlay").remove();
				break;
			}
		},
		
		_reposition: function() {
			var top = (($(window).height() / 2) - ($("#popup_container").outerHeight() / 2)) + $.alerts.verticalOffset;
			var left = (($(window).width() / 2) - ($("#popup_container").outerWidth() / 2)) + $.alerts.horizontalOffset;
			if( top < 0 ) top = 0;
			if( left < 0 ) left = 0;
			
			// IE6 fix
			if( $.browser.msie && parseInt($.browser.version) <= 6 ) top = top + $(window).scrollTop();
			
			$("#popup_container").css({
				top: top + 'px',
				left: left + 'px'
			});
			$("#popup_overlay").height( $(document).height() );
		},
		
		_maintainPosition: function(status) {
			if( $.alerts.repositionOnResize ) {
				switch(status) {
					case true:
						$(window).bind('resize', function() {
							$.alerts._reposition();
						});
					break;
					case false:
						$(window).unbind('resize');
					break;
				}
			}
		}
		
	}
	
	// Shortuct functions
	jAlert = function(message, title, callback) {
		$.alerts.alert(message, title, callback);
	}
	
	jConfirm = function(message, title, callback) {
		$.alerts.confirm(message, title, callback);
	};
	
	jInvite = function(message, title, callback) {
    $.alerts.invite(message, title, callback);
  };
		
	jPrompt = function(message, value, title, callback) {
		$.alerts.prompt(message, value, title, callback);
	};
	
	jPromptTA = function(message, value, title, callback) {
    $.alerts.prompt_ta(message, value, title, callback);
  };
  
  jTags = function(message, title, callback) {
    $.alerts.tags(message, title, callback);
  };
  
  jSendMessage = function(html, title, callback) {
    $.alerts.sendMessage(html, title, callback);
  };
  
  jSendMessageToGroup = function(html, title, callback) {
    $.alerts.sendMessageToGroup(html, title, callback);
  };
  
  jSendMessageToEvent = function(html, title, callback) {
    $.alerts.sendMessageToEvent(html, title, callback);
  };
  
  jSendMessageToBuy = function(html, title, callback) {
    $.alerts.sendMessageToBuy(html, title, callback);
  };
  
  jModalWindow = function(html, title, callback) {
    $.alerts.show_modal_window(html, title, callback);
  };
  
  jModalWindowForProtectedPhoto = function(message, title, callback) {
    $.alerts.show_modal_window_for_protected_photo(message, title, callback);
  };
  
  jModalWindowForProtectedContent = function(message, title, callback) {
    $.alerts.show_modal_window_for_protected_content(message, title, callback);
  };
	
})(jQuery);