// JScript 文件

//循环隐藏下拉框
function ConcealAll() {
    var selects = document.all.tags("select");
    for (var i = 0; i < selects.length; i++) // 遍历页面上所有的 select 
    {
        selects[i].style.visibility = "hidden";
    }
    return false;
}

//循环显示下拉框
function DisplayAll() {
    var selects = document.all.tags("select");
    for (var i = 0; i < selects.length; i++) // 遍历页面上所有的 select 
    {
        selects[i].style.visibility = "visible";
    }
    return false;
}
/* webctrl */
var divTopside = "dvTopside";
var divCover = "dvCover";

function ShowTopside() {
    ConcealAll();
    document.body.style.backgroundColor = 'whitesmoke';

    var c = document.getElementById(divCover);
    var q = document.getElementById(divTopside);

    c.style.visibility = "visible";
    c.style.height = 1850;
    q.style.visibility = "visible";

    q.style.top = document.documentElement.scrollTop + event.clientY;
}
function HideTopside() {
    DisplayAll();
    document.body.style.backgroundColor = 'white';

    var c = document.getElementById(divCover);
    var q = document.getElementById(divTopside);

    c.style.visibility = "hidden";
    c.style.height = 0;
    q.style.visibility = "hidden";
}
//全选
function chkAll() {
    var chkall = document.all["chkall"];
    var chkother = document.getElementsByTagName("input");
    for (var i = 0; i < chkother.length; i++) {
        if (chkother[i].type == 'checkbox') {
            if (chkother[i].id.indexOf('gvCart') > -1) {
                if (chkall.checked == true) {
                    chkother[i].checked = true;
                }
                else {
                    chkother[i].checked = false;
                }
            }
        }
    }
}