<!-- 
function cc() { 
	WriteCookie("test","123",0);
	ck=(get_cookie("test"));
	if (ck == "")
	{ 
		alert("COOKIES need to be enabled!");
		document.Form1.cookieexists.value ="false";
		document.update.cookieexists.value ="false";
	} else { 
		document.Form1.cookieexists.value ="true";
		document.update.cookieexists.value ="true";
	}
} 

function WriteCookie (cookieName, cookieValue, expiry) {
	var expDate = new Date();
	if(expiry)    //如果设置了cookie失效时间;
	{
		expDate.setTime (expDate.getTime() + expiry);
		cc=cookieName + "=" + escape (cookieValue) + ";path=/;domain=enet.com.cn;expires=" + expDate.toGMTString()+";";
		document.cookie = cc;
    }
    else   //没有设置cookie失效时间;
    {
    	bb=cookieName + "=" + escape (cookieValue) + ";path=/;domain=enet.com.cn;";
      document.cookie = bb;
	  }
}

function get_cookie(Name) {
  var search = Name + "="
  var returnvalue = "";
  if (document.cookie.length > 0) {
    offset = document.cookie.indexOf(search)
    if (offset != -1) { // if cookie exists
      offset += search.length
      end = document.cookie.indexOf(";", offset);
      if (end == -1)
         end = document.cookie.length;
      returnvalue=unescape(document.cookie.substring(offset, end))
      }
   }
   if (returnvalue==null) returnvalue="";
   return returnvalue;
}
function MatchReplace(mRealName){
   var r, re;
   re = /\s/g;
   r = mRealName.replace(re,"");
   return(r);
}
function MatchCheck(mRealName){
   var r, re;
   re = /\w|\s|　/g;  
   r = mRealName.match(re);
   return(r);                     
}
function MatchCheckCn(cn){
   var r, re;
   re = /^\d|\s|　/;
   r = re.test(cn);
   return(r);    
}


function chkdig(str){
	var re=/^\d*\d$/;
	if(re.test(str)) return true;
	else return false;
}
/*
function chkemail(a)
{	var i=a.length;
	var temp = a.indexOf('@');
	var tempd = a.indexOf('.');
	if (temp > 1) {
		if ((i-temp) > 7){
			if ((tempd-temp) > 2){
				if ((i-tempd)>2){
					return 1;
				}
			}
		}
	}
	return 0;
}
*/
function chkemail(a)
{
		MyReg = /^[_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,3}$/i;
		if (MyReg.test(a)){
			return 1;
		}else{
			return 0;
	  	}
}


function dosubmit(myform)
{
	if(myform.userid.value==""){
		alert("用户名必须在4-19位！");
		myform.userid.focus();
		return false;
	}
	if(MatchCheckCn(myform.userid.value)) {
		window.alert("您的用户名不合格，请重新填写!");
		return false;
	}
	if(myform.password.value==""
		||myform.password.value.length<5
		||myform.password.value.length>8){
		alert("密码必须在5-8位！");
		myform.password.focus();
		return false;
	}

	if(myform.password.value!=myform.confirmpassword.value){
		alert("密码不一样！请重新输入。");
		myform.password.focus();
		return false;
	}
	if(myform.email.value==""){
		window.alert("请填写电子邮件地址。");
		myform.email.focus();
		return false;
	}else {
		if (!chkemail(myform.email.value)){
			alert("电子邮件地址不合法，请重新输入！");
			myform.email.focus();
			return false;
		}
	}
	// openit();
	return true;
}