(function($) {
    $.fn.pageSlide = function(options) {
        
        var settings = $.extend({height: '300px', duration: 'normal', direction: 'top', opacity: 0.6, modal: false, _identifier: $(this)}, options);
        
        var pageslide_slide_wrap_css = {position: 'fixed', height: 0, top: 0, width: '100%', zIndex: 999, overflow: 'hidden', background: '#ffffff'};
        var pageslide_body_wrap_css = {position: 'relative', zIndex: 0, top: 0};
        var pageslide_blanket_css = {position: 'absolute', top: 0, left: 0, height: '100%', width: '100%', opacity: 0, backgroundColor: 'black', zIndex: 1, display: 'none', 'float': 'left'};
        var pageslide_slide_iframe_css = {border: 'none', width: '100%', height: '100%'};
        
        function _initialize(anchor) {
            if($('#pageslide-body-wrap, #pageslide-content, #pageslide-slide-wrap').size() === 0) {
                var psBodyWrap = $('<div />')
                    .css(pageslide_body_wrap_css)
                    .attr('id', 'pageslide-body-wrap').width($('body').width());
								
								$('body > *:not(script)').wrapAll(psBodyWrap);
                
                var psSlideBack = $('<a />')
                    .addClass('pageslide-close')
                    .attr('href', '#')
                    .html('&laquo; Back to ' + location.hostname);
                
                var psSlideIframe = $('<iframe />')
                    .attr('id', 'pageslide-iframe')
                    .css(pageslide_slide_iframe_css);
                
                var psSlideContent = $('<div />')
                    .hide()
                    .attr('id', 'pageslide-content')
                    .append(psSlideBack)
                    .append(psSlideIframe);
                
                var psSlideWrap = $('<div />')
                    .css(pageslide_slide_wrap_css)
                    .attr('id', 'pageslide-slide-wrap').append(psSlideContent);
                $('body').append(psSlideWrap);
                
                if($('#pageslide-blanket').size() === 0 && settings.modal === true) {
                    var psSlideBlanket = $('<div class="pageslide-close"/>')
                        .css(pageslide_blanket_css)
                        .attr('id', 'pageslide-blanket');
                    $('body').append(psSlideBlanket);
                    psSlideBlanket.click(function() {
                        return false;
                    });
                }
                
                $(window).resize(function() {
                    $('#pageslide-body-wrap').width($('body').width());
                });
                
                $(anchor).attr('rel', 'pageslide');
            }
        }
        
        function _openSlide(elm) {
            if($('#pageslide-slide-wrap').height() != 0) { return false; }
            _showBlanket();
            var direction = {};
						var new_height = settings.height.charAt(settings.height.length - 1) == '%' ? Math.ceil($(window).height() * parseFloat(settings.height) / 100) + 'px' : settings.height;
            if(settings.direction === 'bottom') {
                direction = {
									bottom: '-' + new_height
                };
                $('#pageslide-slide-wrap').css({
									top: 0
                });
            } else {
              direction = {
              	top: new_height
              };
              $('#pageslide-slide-wrap').css({
              	bottom: 0
              });
            }
            $('body').attr('scrollTop', 0);
            _overflowFixAdd();
            $('#pageslide-slide-wrap').animate({
                height: new_height
            }, settings.duration);
						
            $('#pageslide-body-wrap').animate(direction, settings.duration, function() {
								$('body').css('position', 'relative').css('height', $(window).height());
                $('#pageslide-content').css('height', $('#pageslide-slide-wrap').height() - 42).show();
                if($(elm).attr('href') !== $('#pageslide-iframe').attr('src')) {
                    $('#pageslide-iframe').attr('src', elm.href);
                }

                $('.pageslide-close').unbind('click').click(function(ev) {
                    _closeSlide(ev);
                    $(this).unbind('click');
                    return false;
                });
            });
        }
        
        function _closeSlide(event) {
            if(event.button != 2 && $('#pageslide-slide-wrap').height() != 0) {
                // if not right click
                $.fn.pageSlideClose(settings);
            }
        }
        
        function _showBlanket() {
            if(settings.modal === true) {
                $('#pageslide-blanket').toggle().animate({
                    opacity: settings.opacity
                }, 'fast', 'linear');
            }
        }
        
        function _overflowFixAdd() {
            $('html, body').css({
                overflowY: 'hidden'
            });
        }
        
        _initialize(this);
        
        return this.each(function() {
            if(!$(this).hasClass('pageslide-binded')) {
                $(this).bind('click', function() {
                    _openSlide(this);
                    $('#pageslide-slide-wrap').unbind('click').click(function(e) {
                        if(e.target.tagName != "A") { return false; }
                    });
                    if(settings.modal != true && !$(document).hasClass('pageslide-binded')) {
                        $(document).click(function(ev) {
                            if(e.target.tagName != "A") {
                                _closeSlide(ev);
                                return false;
                            }
                            $(this).addClass('pageslide-binded');
                        });
                    }
                    $(this).addClass('pageslide-binded');
                    return false;
                });
            }
        });
    };
})(jQuery);

(function($) {
    $.fn.pageSlideClose = function(options) {
        var settings = $.extend({
            height: '300px',
            duration: 'normal',
            direction: 'top',
            modal: false,
            _identifier: $(this)
        }, options);
        
        function _hideBlanket() {
            if(settings.modal === true && $('#pageslide-blanket').is(':visible')) {
                $('#pageslide-blanket').animate({
                    opacity: 0
                }, 'fast', 'linear', function() {
                    $(this).hide();
                });
            }
        }
        
        function _overflowFixRemove() {
            $('html, body').css({
                overflowY: ''
            });
        }
        _hideBlanket();
        var direction = $('#pageslide-slide-wrap').css('top') != '0px' ? {top: 0} : {bottom: 0};
				$('body').css('height', 'auto');
        $('#pageslide-slide-wrap').animate({
            height: 0
        }, settings.duration, function() {
            $('#pageslide-content').css('height', '0px').hide();
            $('#pageslide-body-wrap, #pageslide-slide-wrap').css({
                top: '0px',
                bottom: '0px'
            });
						 $('#pageslide-iframe').attr('src', 'about:blank');
            _overflowFixRemove();
        });
    };
})(jQuery);

(function($) {
    $(document).ready(function() {
        $(document).keyup(function(event) {
            if ($("#pageslide-blanket").is(":visible") && event.keyCode == 27) {$(this).pageSlideClose({modal: true});}
        });
    });
})(jQuery);