function checkinfo(form){
	form.exeCommand.value="insert";
	if (!checkloginname(form)){
		return false;
	}
	
	
	password1=form.password1.value;
	password2=form.password2.value;

	if (password1.length==0){
			alert("密码不能为空！");
			form.password1.focus();
			return false;
	}
	else {
		if (password1.length<4){
			alert("密码位数太短，建议4个字符以上！");
			form.password1.focus();
			return false;
		}
		else{
			if (password1!==password2){
				alert("两个密码不一致！");
				form.password1.focus();
				return false;
			}
		}
	}
	if(form.sex[0].checked ==false && form.sex[1].checked == false) {
		alert("请正确选择性别！");
		return false;
	}
	


	email=form.email.value;
	if (!isEmail(email)){
		alert("输入的Email地址不正确！");
		form.email.focus();
		return false;		
	}
	return true;
}



//判断生日的合法性

//判断EMAIL




function isEmail(mail)
{
	var emailRex =/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/; 
	 return(new RegExp(emailRex).test(mail));
}


function testname_click() {
	
	var loginNameObj=document.getElementById('loginName');
	if (loginNameObj.value.length>0){
		loginname=loginNameObj.value;
		host=document.getElementById('host').value;
		aheight=185;
		awidth=411;
		atop=(screen.height-aheight)/2;
		aleft=(screen.width-awidth)/2;
		window.open("testloginname.jsp?loginName="+UrlEncode(loginname)+"&host="+host,"testloginname","top="+atop+",left="+aleft+",width="+awidth+",height="+aheight+",resize=no,scrollbars=no");
	}else{
		alert("用户名不能为空");
	}
	return false;

}
function checkloginname(form){
	var i;
	var char;
	badchar='　;|<>`&!*(~^)-#? :"/$=\\'+"'";
	loginname = form.loginName.value
	if(loginname.length==0){
			alert("用户名不能为空！");
			form.loginName.focus();
			return  false;	
	}

	if(loginname.length<2){
		alert("请输入合法的用户名（2个字符以上）！");
		form.loginName.focus();
		return  false;
	}

	for(i=0;i<loginname.length;i++){
		char=loginname.charAt(i);
		if(char == " "){
			alert("用户名中不能包含空格！");
			form.loginName.focus();
			return  false;
		}		
		if (badchar.indexOf(char)>=0){
			alert ("用户名不能包含非法字符"+char+"！");
			form.loginName.focus();
			return false;
		}
	}
	return true;
}