//遮罩
function coverDiv(){
var procbg = document.createElement("div"); //首先建立一個div
procbg.setAttribute("id","mybg"); //定義該div的id
procbg.style.background = "#000000";
procbg.style.width = "100%";
procbg.style.height = "100%";
procbg.style.position = "fixed";
procbg.style.top = "0";
procbg.style.left = "0";
procbg.style.zIndex = "500";
procbg.style.opacity = "0.6";
procbg.style.filter = "Alpha(opacity=70)";
document.body.appendChild(procbg);
}
//取消遮罩
function hide() {
$("div[class='xucun_content']").hide();
var body = document.getElementsByTagName("body");
var mybg = document.getElementById("mybg");
body[0].removeChild(mybg);
}