function submitComment()
{
	var oComment = document.getElementById("comment");
	if (oComment.value.replace(/\s/ig,"").length ==0)
	{
		alert("评论内容不能为空！");
		oComment.focus();
		return false;
    }
	if (oComment.value == oComment.defaultValue)
	{
	    alert("请输入评论内容！");
		oComment.focus();
		return false;
	}
	if (document.getElementById("VerifyCode") && document.getElementById("VerifyCode").value.length == 0)
	{
	    alert("请输入验证码！");
		document.getElementById("VerifyCode").focus();
		return false;
	}
	setTimeout((function(){document.getElementById('btnAddComment').disabled=true}), 10);
	var html = "<p class=\"content\"><span class=\"hi\">我：</span>"+ oComment.value.replace(">","&gt;").replace("<","&lt;") +"</p>";
	document.getElementById("star_gbook2_list").innerHTML = html + document.getElementById("star_gbook2_list").innerHTML;
	var timeoutNum = 30;
	for (var i = 1; i <= timeoutNum; i ++)
	{
		(function() { //定义并执行一个匿名函数
		    var tmpX = i;
		    setTimeout(
			function() {
			    document.getElementById('btnAddComment').value = "发 表(" + (timeoutNum - tmpX) + ")"
			    if (tmpX == timeoutNum) {
			        document.getElementById('btnAddComment').value = "发 表";
			        document.getElementById('btnAddComment').disabled = false;
			        document.getElementById('comment').value = "";
			        var vImg = document.getElementById("VerifyImage");
			        if (vImg) {
			            vImg.src = vImg.src.substring(0, vImg.src.indexOf("?")+1) + "?" + Math.random();
			        }
			        if (document.getElementById("VerifyCode")) {
			            document.getElementById("VerifyCode").value = "";
			        }
			    }
			}
		, 1000 * tmpX);
		})();
	}
	return true;
}
function notice() {
    var obj = document.getElementsByTagName("input");
    var count = 0;
    var BID;
    for (var i = 0; i < obj.length; i++) {
        if (obj[i].name == "xuanze" && obj[i].checked) {
            BID = obj[i].value;
            count++;
        }
    }

    if (count == 0) {
        alert("请先选择需要投票的项");
        return false;
    }
}