jQuery 弹出层脚本
直接贴代码：
1 $.extend({ 2 closeBox: function (o, x, fn) { 3 $('#' + o).fadeOut(500, function () { 4 if (fn && typeof (fn) === "function") { fn(); } 5 }); 6 if ($('#v_overlay')[0]) { $('#v_overlay').fadeOut(650, function () { $(this).remove(); }); } 7 }, 8 openBox: function (o, x, fn) { 9 $.init(o, x, fn); $('#' + o).fadeIn(500); 10 }, 11 init: function (o, x, fn) { 12 var w = $(window).width(), h = $(window).height(); 13 var bw = $("#" + o).width(), bh = $("#" + o).height(); 14 var _top = ((h / 2 - bh / 2) - 50); 15 var boxCss = { "left": ((w / 2 - bw / 2) + "px"), "top": ((_top > 0 ? _top : 10) + "px"), "z-index": "999", "position": "fixed" }; 16 $("#" + o).css(boxCss); 17 try { 18 if ($.browser.msie && ($.browser.version == "6.0") && !$.support.style) { 19 $("#" + o).css("position", "absolute"); location.href = location.href.search(/\?/) > 0 ? location.href.substring(0, location.href.indexOf('#')) : location.href + "#"; 20 } 21 if ((window.innerHeight - 40) <= $("#" + o).height()) { 22 $("#" + o).css({ "position": "absolute", "top": (40 + window.scrollY) }); 23 } 24 } catch (e) { } 25 if (x != undefined && $("body").find("#v_overlay").html() == null) { 26 var boxBg = "<div id=\"v_overlay\" style=\"position:absolute;background-color:#000;filter:alpha(opacity=30);opacity:0.3;width:100%;left:0;top:0;z-index:998;border:none;display:none\"></div>"; 27 $(boxBg).click(function () { $.closeBox(o, x); }).height($(document).height()).appendTo("body").fadeIn(); 28 } 29 $(window).resize(function () { 30 if ($("#" + o).css("display") == "block") { 31 $('#v_overlay').remove(); $.init(o, x); 32 } 33 }); 34 } 35 });
