/*
* jQuery Floatbox Plugin 1.0.7
* Copyright (c) 2008 Leonardo Rossetti (motw.leo@gmail.com)
* Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php)
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/

(function($){
    $.floatbox=function(options){
        var getWidth=function(){
            var version=parseInt($.prototype.jquery.match(/\d/gim)[1]);
            var width;
            if(version>1){
                width=$(window).width();
            }else{
                width=document.body.scrollWidth?document.body.scrollWidth:document.documentElement.scrollWidth;
            }
            return width/2;
        };
        var settings=$.extend(true,
                              {
                                  bg:"floatbox-background",
                                  box:"floatbox-box",
                                  content:"",
                                  button:"<p><a role='button' href='javascript:void(0);' class='close-floatbox'>Close</a></p>",
                                  desc:"This is a popup box, press esc key to close.",
                                  fade:false,
                                  ajax:null,
                                  bgConfig:{position:($.browser.msie)?"absolute":"fixed",
                                  zIndex:8,
                                  width:"100%",
                                  height:"100%",
                                  top:"0px",
                                  left:"0px",
                                  backgroundColor:"#000",
                                  opacity:"0.75",
                                  display:"none"},
                                  boxConfig:{
                                    position:($.browser.msie)?"absolute":"fixed",
                                    zIndex:9,
                                    width:getWidth()+"px",
                                    marginLeft:"-"+(getWidth()/2)+"px",
                                    height:"auto",
                                    top:"50%",
                                    left:"50%",
                                    backgroundColor:"#fff",
                                    display:"none"
                                  }
                              },
                              options);
        var showBox=function(){
            var content=typeof settings.content==="string"?settings.content:settings.content.clone();
            $("<div></div>").bind("click",function(){closeBox();}).attr("id",settings.bg).css(settings.bgConfig).width(($.browser.msie)?document.body.clientWidth:"100%").height(($.browser.msie)?document.body.clientHeight:"100%").appendTo("body");
            $("<div></div>").attr({id:settings.box,role:"alertdialog"}).html(content).append(settings.button).css(settings.boxConfig).appendTo("body").css("margin-top","-"+$("#"+settings.box).height()/2+"px").find(".close-floatbox").bind("click",function(){closeBox();}).end();
            if(settings.fade){
                $("#"+settings.bg).fadeIn(200,function(){$("div#"+settings.box).fadeIn(200);});
            }else{
                $("#"+settings.bg).show().parent().find("#"+settings.box).show();
            }
            if(settings.ajax){
                $.ajax({
                    type:settings.ajax.params===""?"GET":"POST",
                    url:settings.ajax.url,
                    data:settings.ajax.params,
                    beforeSend:function(){
                        $("#"+settings.box).html(settings.ajax.before);
                    },
                    success:function(data){
                        $("#"+settings.box).html(data).append(settings.button).find(".close-floatbox").bind("click",function(){closeBox()}).end();
                    },
                    complete:function(XMLHttpRequest,textStatus){
                        if(settings.ajax.finish){
                            settings.ajax.finish(XMLHttpRequest,textStatus);
                        }
                    },
                    contentType:"html"
                });
            }
        };
        var closeBox=function(){
            if(settings.fade){
                $("#"+settings.box).fadeOut(200,
                                            function(){
                                                $("#"+settings.bg).fadeOut(
                                                    200,
                                                    function(){
                                                        $("#"+settings.box).remove();
                                                        $("#"+settings.bg).remove();
                                                    }
                                                );
                });
            }
            else{
                $("#"+settings.box+",#"+settings.bg).hide();
                setTimeout(function(){$("#"+settings.box).remove();$("#"+settings.bg).remove();},500);}};
                var init=function(){
                                showBox();
                                $(document).one("keypress",
                                                function(e){
                                                    var escKey=$.browser.mozilla?0:27;
                                                    if(e.which===escKey){
                                                        closeBox();
                                                        }
                                                 }).one("keydown",
                                                        function(e){
                                                            var escKey=$.browser.mozilla?0:27;
                                                            if(e.which===escKey){closeBox();}
                                                        });
                                if($.browser.msie){$("body, html").css({height:"100%",width:"100%"});
                                $(window).bind("scroll",function(){
                                                        //这里有修改，原来是：$("#"+settings.box).css("top",document.documentElement.scrollTop+($(window).height()/2)+"px");
                                                            $("#"+settings.box).css("top","100px");
                                                        });
                                }
                };
            init();
        };
    }
)(jQuery);