载入锁频

function DyLayer() {
    function el(id) { return document.getElementById(id); };
    //加載狀態
    this.LoadStatus = "";
    //css名
    this.CssName = "layermask";
 
    //創建遮蓋層
    this.render = function(dw, dh) {
        try {
            var objDiv = el("sysdiv_wait");
            if (objDiv == null) {
                objDiv = document.createElement("DIV");
                objDiv.id = "sysdiv_wait";
                objDiv.className = this.CssName;
                document.body.appendChild(objDiv);

                var w = 0;
                var h = 0;

                var size = qp_shared.getPageSize();

                if (dw != null)
                    w = dw;
                else
                    w = size.width;

                if (dh != null)
                    h = dh;
                else
                    h = size.height;

                objDiv.style.width = w + "px";
                objDiv.style.height = h + "px";
                
                var objImg = document.createElement("IMG");
                objImg.id = "sysimg_wait";
                
                objImg.src = qp_shared.getURL("images/wait/reloading.gif");
                objImg.style.zIndex = 999999;
                objImg.style.position = "absolute";                
                objImg.style.left = parseInt((w-24)/2) + "px";
                objImg.style.top = parseInt((h-24)/2) + "px";
                
                document.body.appendChild(objImg);
            }
        }catch(e){}
    };
    
    //展現遮蓋層
    this.dw_render = function(w, h, resizeToMax, cssName) {
        this.LoadStatus = "Loading";
        
        //如果需要最大化窗口時
        if (resizeToMax) {
             window.moveTo(0, 0);
             window.resizeTo(window.screen.availWidth, window.screen.availHeight);
        };
        
        //如果有自定css
        if (cssName != null) {
            this.CssName = cssName;
        };

        this.render(w, h);
    };
    
    //展現遮蓋層
    this.show = function(w, h, resizeToMax, cssName) {
        this.dw_render(w, h, resizeToMax, cssName);
    };    
    this.show2 = function(h, cssName) {
        this.dw_render(null, h, null, cssName);
    };
    this.show3 = function(cssName) {
        this.dw_render(null, null, null, cssName);
    };
    
    //刪除遮蓋層
    this.dw_remove = function() {
        try{
            this.LoadStatus = "";

            var objDiv = el("sysdiv_wait");
            if (objDiv != null)
                document.body.removeChild(objDiv);
                
            var objImg = el("sysimg_wait");
            if (objImg != null)
                document.body.removeChild(objImg);
        }catch(e){}
    };
    
    //刪除遮蓋層
    this.remove = function() {
        this.dw_remove();
    }     
};

var oLayer = new DyLayer();

//鎖定界面
function lockingLayer() {
oLayer.dw_render();
};