var xmlHttp = false;

function checkUserName()
{
	var SelectValue="";
	
    var flag = false;
	var arr = new Array("vote_0","vote_1","vote_2","vote_3","vote_4","vote_5","vote_6","vote_7");
    for(var i=0;i<arr.length;i++)
    {
		var ckName = document.getElementById(arr[i]);
		if(ckName.checked)
		{
			flag = true;
			var arrValue = new Array();
			arrValue = ckName.name.split(":");
			
			var index = parseInt(arrValue[1])+1;
			SelectValue += index + ",";
		}
    }
	
	if(!flag)
	{
		alert("请选择一项!");
		return ;
	}
	else
	{
		SelectValue = SelectValue.substring(0,SelectValue.length-1)
	}
		
	// 创建XMLHttpRequest对象。
	try 
	{
		xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
	} 
	catch(e) 
	{
		try 
		{
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		} 
		catch(e2) 
		{
			xmlHttp = false;
		}
	}
	
	// 创建服务器端的URL。
	var url = "ServerExecute.aspx?bh=" + SelectValue;
	
	// 连接到服务器。
	xmlHttp.open("GET", url, true);
	
	//指定该异步调用的回调函数为callBack_ShowMessage()
	xmlHttp.onreadystatechange = callBack_ShowMessage;
	
	// 发送请求。
	xmlHttp.send(null);
}

function callBack_ShowMessage() 
{
    if (xmlHttp.readyState == 4) 
    {
        var isValid = xmlHttp.responseText;
        if(isValid =="true")
        {
			alert('投票成功,谢谢!');
			
			var arr = new Array("vote_0","vote_1","vote_2","vote_3","vote_4","vote_5","vote_6","vote_7");
			for(var i=0;i<arr.length;i++)
			{
				var ckName = document.getElementById(arr[i]);
				ckName.checked = false;
			}
        }
    }
}

function LookResult()
{
	window.open("Result.aspx","调查结果","height=210,width=400,top=0,left=0,location=no,menubar=no,resizable=no,scrollbars=no,status=no,titlebar=no,toolbar=no,directories=no");
}

function SendMail()
{
	window.open("SendMail.aspx","发送邮件","height=310,width=500,top=0,left=0,location=no,menubar=no,resizable=no,scrollbars=no,status=no,titlebar=no,toolbar=no,directories=no");
}