// JavaScript Document
function checkmember(){
	if(reg.user.value==''){
		alert('通行证不能为空');
		return false;
		}
	if(reg.password.value==''){
		alert('密码不能为空');
		return false;
		}
	if(reg.repassword.value==''){
		alert('重复密码不能为空');
		return false;
		}
	if(reg.name.value==''){
		alert('昵称不能为空');
		return false;
		}
	if(reg.email.value==''){
		alert('邮箱不能为空');
		return false;
		}
}
function createXMLHttps()
{
    var ret = null;
    try {
        ret = new ActiveXObject('Msxml2.XMLHTTP');
    }
    catch (e) {
        try {
            ret = new ActiveXObject('Microsoft.XMLHTTP');
        }
        catch (ee) {
            ret = null;
        }
    }
    if (!ret && typeof XMLHttpRequest != 'undefined')
        ret = new XMLHttpRequest();
    return ret;
}
function chkuser(divid,url,idval)
{
	var xmlhttp = createXMLHttps();
	var user=document.getElementById(idval).value;
	var urls=url+'&'+idval+'='+user;
	xmlhttp.open("GET",urls);
	xmlhttp.onreadystatechange = function() 
	{
		if (xmlhttp.readyState == 4 && xmlhttp.status == 200) 
		{
			var contents=xmlhttp.responseText;
			document.getElementById(divid).innerHTML=contents;
		}else{
		document.getElementById(divid).innerHTML="数据加载中...";	
		}
	}
	xmlhttp.send(null);
	//xmlhttp=void(0);
}