Javascript 遮罩层和加载效果
//loadingfunction showLoad(tipInfo) { var iWidth = 120; //弹出窗口的宽度; var iHeight = 0; //弹出窗口的高度; var scrolltop = 0; var scrollleft = 0; var cheight = 0; var cwidth = 0; var eTip = document.createElement('div'); eTip.setAttribute('id', 'tipDiv'); eTip.style.position = 'absolute'; eTip.style.display = 'none'; eTip.style.border = 'solid 0px #D1D1D1'; eTip.style.backgroundColor = '#4B981D'; eTip.style.padding = '5px 15px'; if(document.body.scrollTop){//这是一个js的兼容 scrollleft=document.body.scrollLeft; scrolltop=document.body.scrollTop; cheight=document.body.clientHeight; cwidth=document.body.clientWidth; } else{ scrollleft=document.documentElement.scrollLeft; scrolltop=document.documentElement.scrollTop; cheight=document.documentElement.clientHeight; cwidth=document.documentElement.clientWidth; } iHeight = eTip.offsetHeight; var v_left=(cwidth-iWidth)/2 + scrollleft; // var v_top=(cheight-iHeight)/2+ scrolltop; eTip.style.left = v_left + 'px'; eTip.style.top = v_top + 'px'; eTip.innerHTML = '<img src=\'Images/loading.gif\' style=\'float:left;\' /> <span style=\'color:#ffffff; font-size:12px\'>' + tipInfo + '</span>'; try { document.body.appendChild(eTip); } catch (e) { } $("#tipDiv").css("float", "right"); $("#tipDiv").css("z-index", "99"); $('#tipDiv').show(); ShowMark();}function closeLoad() { $('#tipDiv').hide(); HideMark();}//显示蒙灰层function ShowMark() { var xp_mark = document.getElementById("xp_mark"); if (xp_mark != null) { //设置DIV xp_mark.style.left = 0 + "px"; xp_mark.style.top = 0 + "px"; xp_mark.style.position = "absolute"; xp_mark.style.backgroundColor = "#000"; xp_mark.style.zIndex = "1"; if (document.all) { xp_mark.style.filter = "alpha(opacity=50)"; var Ie_ver = navigator["appVersion"].substr(22, 1); if (Ie_ver == 6 || Ie_ver == 5) { hideSelectBoxes(); } } else { xp_mark.style.opacity = "0.5"; } xp_mark.style.width = "100%"; xp_mark.style.height = "100%"; xp_mark.style.display = "block"; } else { //页面添加div explainDiv,注意必须是紧跟body 内的第一个元素.否则IE6不正常. $("body").prepend("<div id='xp_mark' style='display:none;'></div>"); ShowMark(); //继续回调自己 }}//隐藏蒙灰层function HideMark() { var xp_mark = document.getElementById("xp_mark"); xp_mark.style.display = "none"; var Ie_ver = navigator["appVersion"].substr(22, 1); if (Ie_ver == 6 || Ie_ver == 5) { showSelectBoxes(); }}