//显示日期
function ShowDate() {
    var D = new Date();
    var myDay = new Array('日', '月', '火', '水', '木', '金', '土');
    sDate = D.getFullYear() + '年 ' + (D.getMonth() + 1) + '月' + D.getDate() + '日 ' + myDay[D.getDay()] + '曜日';
    document.write(sDate);
    window.status = sDate;
}

//显示随机Flash 
function ShowFlash(iWidth, iHeight) {
    var Num = Math.floor(Math.random() * 10 + 1) //随机数:1-10
    document.write("<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/../Flash/swflash.cab#version=6,0,29,0\" width=\"" + iWidth + "\" height=\"" + iHeight + "\">");
    document.write("<param name=\"movie\" value=\"../Flash/" + Num + ".swf\">");
    document.write("<param name=\"quality\" value=\"high\">");
    document.write("<param name=\"wmode\" value=\"transparent\">");
    document.write("<embed src=\"../Flash/" + Num + ".swf\" width=\"" + iWidth + "\" height=\"" + iHeight + "\" quality=\"high\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" wmode=\"transparent\"></embed>");
    document.write("</object>");
}

//字体大小缩放
function DoZoom(size) {
    document.getElementById('InfoContent').style.fontSize = size + 'px';
}

//友情链接自动跳转
function goUrl() {
    var linkUrl;
    linkUrl = document.getElementById("FrdLink").value;
    if (linkUrl == null || linkUrl == '') {
    }
    else {
        window.open(linkUrl, 'FrdLink');
    }
}

//只允许键盘输入数字
function ChkNum() {
    return event.keyCode >= 48 && event.keyCode <= 57 ? true : false;
}

//只允许键盘输入数字和指定的字符
function ChkNumChar(Obj) {
    if ((event.keyCode >= 48 && event.keyCode <= 57) || event.keyCode == Obj.charCodeAt(0)) {
        return true;
    }
    return false;
}

//Email验证
function verifyAddress(obj) {
    var email = obj.value;
    var pattern = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
    flag = pattern.test(email);
    if (flag) {
        return true;
    }
    else if (obj.value.length == 0) {
        return true;
    }
    else {
        alert("Emailエラー");
        obj.value = "";
        //obj.focus(); 
        return false;
    }
}

//限制意见输入长度
function ChkLen(len) {
    var RemainLen = len - document.getElementById("Idea").value.length;
    document.getElementById("IdeaRemainLen").innerText = RemainLen > 0 ? RemainLen : 0;
    if (document.getElementById("Idea").value.length > len) {
        document.getElementById("Idea").value = document.getElementById("Idea").value.substring(0, len);
    }
}