/*!
* jQuery Image Overlay v1.2.0
* http://www.ferretarmy.com/files/jQuery/ImageOverlay/ImageOverlay.html
*
* Copyright (c) 2009 Jon Neal
* Dual licensed under the MIT and GPL licenses, using the same terms as jQuery.
* Refer to http://docs.jquery.com/License
*
* Date: 2009-09-10 (Thu, 10 September 2009)
* Revision: 1.2.0
*/
(function($){
    $.fn.ImageOverlay=function(options){
        var opts=$.extend({},$.fn.ImageOverlay.defaults,options);
        return this.each(function(){
            var thisOpts=$.metadata?$.extend({},opts,$(this).metadata()):opts;
            $('a',this).each(function(){
                var hrefOpts=$.metadata?$.extend({},thisOpts,$(this).metadata()):thisOpts;
                $(this).css({
                    width:hrefOpts.image_width,
                    height:hrefOpts.image_height,
                    borderColor:hrefOpts.border_color
                    });
                $('img',this).attr({
                    title:''
                });
                var imageHeight=$(this).height();
                var captionHeight=$('.caption',this).height();
                var useBottomOrigin=(hrefOpts.overlay_origin=='top'?false:true);
                if(useBottomOrigin){
                    $('.caption',this).css({
                        top:(hrefOpts.always_show_overlay?(imageHeight-captionHeight)+'px':imageHeight+'px'),
                        backgroundColor:hrefOpts.overlay_color,
                        color:hrefOpts.overlay_text_color
                        });
                    if(!hrefOpts.always_show_overlay){
                        if(hrefOpts.animate){
                            $(this).hover(function(){
                                $('.caption',this).stop().animate({
                                    top:(imageHeight-captionHeight)+'px'
                                    },{
                                    queue:false,
                                    duration:hrefOpts.overlay_speed
                                    })
                                },function(){
                                $('.caption',this).stop().animate({
                                    top:imageHeight+'px'
                                    },{
                                    queue:false,
                                    duration:hrefOpts.overlay_speed
                                    })
                                })
                            }else{
                            $(this).hover(function(){
                                $('.caption',this).css('top',(imageHeight-captionHeight)+'px')
                                },function(){
                                $('.caption',this).css('top',imageHeight+'px')
                                })
                            }
                        }
                }else{
                $('.caption',this).css({
                    top:(hrefOpts.always_show_overlay?'0px':-captionHeight+'px'),
                    backgroundColor:hrefOpts.overlay_color,
                    color:hrefOpts.overlay_text_color
                    });
                if(!hrefOpts.always_show_overlay){
                    if(hrefOpts.animate){
                        $(this).hover(function(){
                            $('.caption',this).stop().animate({
                                top:'0px'
                            },{
                                queue:false,
                                duration:hrefOpts.overlay_speed
                                })
                            },function(){
                            $('.caption',this).stop().animate({
                                top:-captionHeight+'px'
                                },{
                                queue:false,
                                duration:hrefOpts.overlay_speed
                                })
                            })
                        }else{
                        $(this).hover(function(){
                            $('.caption',this).css('top','0px')
                            },function(){
                            $('.caption',this).css('top',-captionHeight+'px')
                            })
                        }
                    }
            }
        });
$(this).after('<p style="clear: both; height: 0;">&nbsp;</p>')
    })
};

$.fn.ImageOverlay.defaults={
    always_show_overlay:false,
    animate:true,
    border_color:'#666',
    image_height:'100px',
    image_width:'230px',
    overlay_color:'#000',
    overlay_origin:'bottom',
    overlay_speed:'normal',
    overlay_text_color:'#666'
}
})(jQuery);
