// jQuery Alert Dialogs Plugin
	//
	// Version 1.0
	//
	// Cory S.N. LaViska
	// A Beautiful Site (http://abeautifulsite.net/)
	// 29 December 2008
	//
	// Visit http://abeautifulsite.net/notebook/87 for more information
	//
	// Usage:
	//              jAlert( message, [title, callback] )
	//              jConfirm( message, [title, callback] )
	//              jPrompt( message, [value, title, callback] )
	//
	// History:
	//
	//              1.00 - Released (29 December 2008)
	//
	// License:
	//
	// This plugin is dual-licensed under the GNU General Public License and the MIT License and
	// is copyright 2008 A Beautiful Site, LLC.
	//
	(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
	                horizontalOffset: 0,                // 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: true,                    // make the dialogs draggable (requires UI Draggables plugin)
	                okButton: ' OK ',         // text for the OK button
	                cancelButton: ' Cancel ', // text for the Cancel 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(title, message, null, 'alert', function(result) {
	                                if( callback ) callback(result);
	                        });
	                },
	                error: function(message, title, callback) {
	                        if( title == null ) title = 'Error';
	                        $.alerts._show(title, message, null, 'error', function(result) {
	                                if( callback ) callback(result);
	                        });
	                },
	               
	                confirm: function(message, title, callback) {
	                        if( title == null ) title = 'Confirm';
	                        $.alerts._show(title, message, null, 'confirm', function(result) {
	                                if( callback ) callback(result);
	                        });
	                },
	                       
	                prompt: function(message, value, title, callback) {
	                        if( title == null ) title = 'Prompt';
	                        $.alerts._show(title, message, value, 'prompt', function(result) {
	                                if( callback ) callback(result);
	                        });
	                },
	               
	                // Private methods
	               
	                _show: function(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);
	                        $("#popup_message").text(msg);
	                        $("#popup_message").html( $("#popup_message").text().replace(/\n/g, '<br />') );
	                       
	                        $("#popup_container").css({
	                                minWidth: $("#popup_container").outerWidth(),
	                                maxWidth: $("#popup_container").outerWidth()
	                        });
	                       
	                        $.alerts._reposition();
	                        $.alerts._maintainPosition(true);
	                       
	                        switch( type ) {
	                                case 'alert':
	                                case 'error':
	                                        $("#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 '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 '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;
	                        }
	                       
	                        // 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);
	        }
	
	        jError = function(message, title, callback) {
	                $.alerts.error(message, title, callback);
	        }
	       
	        jConfirm = function(message, title, callback) {
	                $.alerts.confirm(message, title, callback);
	        };
	               
	        jPrompt = function(message, value, title, callback) {
	                $.alerts.prompt(message, value, title, callback);
	        };
	       
	})(jQuery);