/*
* 显示loading遮罩层
*/
function loading() {
var mask_bg = document.createElement("div");
mask_bg.id = "mask_bg";
mask_bg.style.position = "absolute";
mask_bg.style.top = "0px";
mask_bg.style.left = "0px";
mask_bg.style.width = "100%";
mask_bg.style.height = "100%";
mask_bg.style.backgroundColor = "#777";
mask_bg.style.opacity = 0.6;
mask_bg.style.zIndex = 10001;
document.body.appendChild(mask_bg);
var mask_msg = document.createElement("div");
mask_msg.style.position = "absolute";
mask_msg.style.top = "35%";
mask_msg.style.left = "42%";
mask_msg.style.backgroundColor = "white";
mask_msg.style.border = "#336699 1px solid";
mask_msg.style.textAlign = "center";
mask_msg.style.fontSize = "1.1em";
mask_msg.style.fontWeight = "bold";
mask_msg.style.padding = "0.5em 3em 0.5em 3em";
mask_msg.style.zIndex = 10002;
mask_msg.innerText = "正在执行,请稍后...";
mask_bg.appendChild(mask_msg);
}
/*
* 关闭遮罩层
*/
function loaded() {
var mask_bg = document.getElementById("mask_bg");
if (mask_bg != null)
mask_bg.parentNode.removeChild(mask_bg);
}