function user_check(){
var rflag1=true;
var r1=document.getElementById("r1");
var usercode=document.getElementById("reg_usercode").value;
var reg_usercode=document.getElementById("reg_usercode");
r1.innerText=""; 
if(reg_usercode.value==""){r1.className="ino";reg_usercode.focus();rflag1=false;return rflag1;}
else{
var xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
xmlDoc.async="false";
xmlDoc.load("../ajax.asp?usercode="+usercode);
           var okey = xmlDoc.documentElement.selectNodes("Okey");
		   if(okey(0).text=="ok"){r1.className="iok";} else {r1.className="ino";alert("这个用户名已经有人使用，请重新输入！");reg_usercode.focus();rflag1=false;return rflag1;}
}
return rflag1;
}

function password_check() {
var rflag2=true;
var r2=document.getElementById("r2");
var r3=document.getElementById("r3");
var reg_password=document.getElementById("reg_password");
var reg_password2=document.getElementById("reg_password2");
  r2.innerText=""; 
  r3.innerText=""; 
  if(reg_password.value==""||reg_password2.value==""||reg_password.value!=reg_password2.value){r2.className="ino";r3.className="ino";reg_password.focus();rflag2=false;return rflag2;} else {r2.className="iok";r3.className="iok";}
  return rflag2;
}

function email_check() {
var rflag3=true;
var r7=document.getElementById("r7");
var reg_email=document.getElementById("reg_email");
  r7.innerText=""; 
  if(reg_email.value==""||reg_email.value.indexOf("@")==-1){r7.className="ino";reg_email.focus();rflag3=false;return rflag3;} else {r7.className="iok";}
  return rflag3;
}

function reg_check() {
var rflag=true;
 if(user_check()==false || password_check()==false || email_check()==false){alert("请检查注册项，重新填写后提交！");rflag=false;return rflag;}
 return rflag;
}

function edit_check() {
var rflag=true;
 if(password_check()==false || email_check()==false){alert("请检查注册项，重新填写后提交！");rflag=false;return rflag;}
 return rflag;
}