//遮罩
function coverdiv(){
var procbg = document.createelement(div); //首先创建一个div
procbg.setattribute(id,mybg); //定义该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() {
/* document.getelementbyid('light').style.display=none; */
$(div[class='xucun_content']).hide();
var body = document.getelementsbytagname(body);
var mybg = document.getelementbyid(mybg);
body[0].removechild(mybg);
}