js工具方法弹出蒙版

2024-05-06 14:39:15

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来源：转载

供稿：网友

代码如下:
//工具方法弹出蒙版 add by dning 2012-11-4
var maskShow = (function () {
    var mask = null;
    var curr = null;
    var free = false;
    var func = {
        onresize: null,
        onscroll: null
    };
    return function (el, fre, Type) {
        if (!mask) {
            initMask();
        }
        free = !!fre;
        if (el == null) {
            show(curr, false);
            show(mask, false);
            showSelects(true); //for ie6
            curr = null;
            if (!free) for (var s in func) {
                window[s] = func[s];
                func[s] = null;
            }
        } else {
            if (curr)
                show(curr, false);
            curr = $(el)[0];
            checkVisib(curr);
            rePos();
            mask.style.zIndex = maskShow.zIndexBack || 15;
            curr.style.zIndex = maskShow.zIndexFore || 20;
            show(curr, true);
            show(mask, true);
            showSelects(false, el); //for ie6
            if (!free) for (var s in func) {
                func[s] = window[s];
                window[s] = rePos;
            }
        }
        if (Type == 0) {
            mask.style.width = document.body.clientWidth + 'px';

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