function submitregistration() {
			var temp = "";
			var isvalid = true;

			if( document.getElementById('userid').value == ""|| document.getElementById('userid').value.length<4|| document.getElementById('userid').value.length>16) {
				document.getElementById('requ_userid').style.color = "red";
				if(temp == "") temp = "userid";
				isvalid = false;
			}
			else {
				document.getElementById('requ_userid').style.color = "";
			}
			
			if( document.getElementById('pwd').value == "" || document.getElementById('pwd').value.length <6 ||document.getElementById('pwd').value.length >18) {
				document.getElementById('requ_pwd').style.color = "red";
				if(temp == "") temp = 'pwd';
				isvalid = false;
			}
			else {
				document.getElementById('requ_pwd').style.color = "";
			}
			if( document.getElementById('rpwd').value == "" ) {
				document.getElementById('requ_rpwd').style.color = "red";
				if(temp == "") temp = 'rpwd';
				isvalid = false;
			}
			else {
				document.getElementById('requ_rpwd').style.color = "";
			}
			if( document.getElementById('nickname').value == "" ) {
				document.getElementById('requ_nickname').style.color = "red";
				if(temp == "") temp = 'nickname';
				isvalid = false;
			}
			else {
				document.getElementById('requ_nickname').style.color = "";
			}
			if( document.getElementById('pemail').value == "" ||  document.getElementById('nemail').value == "" ) {
				document.getElementById('requ_email').style.color = "red";
				if (document.getElementById('pemail').value == "") {
					if(temp == "") temp = 'pemail';
				}
				else {
					if(temp == "") temp = 'nemail';
				}
				isvalid = false;
			}
			else {				
				document.getElementById('requ_email').style.color = "";
			}

			if( !isvalid) {
				//alert("Please make sure the form is complete and valid." 
				alert("请确保你的输入完整有效！." );
				if(temp.length > 0) document.getElementById(temp).focus();
				return false;
			}
			if( (document.getElementById('pwd').value != "") && (document.getElementById('pwd').value !=document.getElementById('rpwd').value) ) {
				alert("请确保输入密码一致！" );
				document.getElementById('requ_pwd').style.color = "red";
				document.getElementById('requ_rpwd').style.color = "red";
				 return false;
			}

			var email = document.getElementById('pemail').value+"@"+document.getElementById('nemail').value;

			if( !(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(email))) {
				//alert( 'Please enter a valid e-mail address.');
				alert( '请输入有效电子邮件.');
				document.getElementById('requ_email').style.color = "red";
				 return false;
			}else{
				document.getElementById('requ_email').style.color = "";
			}

/*
			if( !telCheckRule(document.getElementById('mobile')) ){
              	 alert( '请输入正确的手机号码.');
				 document.getElementById('no_mobile').style.color = "red";
				 return false;
			}else{
				 document.getElementById('no_mobile').style.color = "";
			}
*/			
			
			if(document.getElementById('band_mobi').checked){
				document.getElementById('band_mobi').value = 1;
				var mdn = document.getElementById('mobile').value;
				var a = /13\d{9}|15\d{9}|18\d{9}$/;
				if(!mdn.match(a)){
					alert("选择绑定后，请输入有效的手机号码！" );
					return false;
				}
			}

			if ( document.getElementById('yanzheng').value.length != 4 )
			{
				alert("请确保你的输入完整有效！." );
				document.getElementById('yanzheng').focus();
				return false;
			}

			if(isvalid){
    			document.reform.submit();
                return isvalid;
			}
            return isvalid;
			
		}

		function checkMobile()
		{
		 var mobile = document.getElementById('mobile').value;
		 var reg0=/^13\d{5,9}$/;   //130--139。至少7位
		 var reg1=/^153\d{4,8}$/;  //联通153。至少7位
		 var reg1=/^154\d{4,8}$/;  //
		 var reg1=/^158\d{4,8}$/;  //
		 var reg2=/^159\d{4,8}$/;  //移动159。至少7位
		
		 var my=false;
		 if (reg0.test(mobile))my=true;
		 if (reg1.test(mobile))my=true;
		 if (reg2.test(mobile))my=true;
		 if (!my){
			return false;}
		 return my;
		}


		
		//检查用户是否存在
		function checkUserid(){
		    var userid = document.getElementById('userid').value;
			if( !idCheckRule(document.getElementById('userid')) )
		    {
			   document.getElementById("username_re").innerHTML = "<font color='red'>请按要求输入用户名！</font>";
			   document.getElementById('userid').focus(); 
			   //document.getElementById('userid').select(); 
			   return false;
			}

		  	try	{
				xmlhttp=new ActiveXObject('Msxml2.XMLHTTP');
			}catch(e){
				try{
					xmlhttp = new ActiveXObject('Microsoft.XMLHTTP');
				}catch(e){
					try	{
						xmlhttp = new XMLHttpRequest();
					}
					catch(e){}
				}
			}

			xmlhttp.open("POST","CheckUseridFunc.html",true);
			xmlhttp.setRequestHeader('Content-type','application/x-www-form-urlencoded');
			xmlhttp.send("userid=" + userid);

			xmlhttp.onreadystatechange = function(){
				if (xmlhttp.readyState==4)
				{
					if(xmlhttp.status==200)
					{
//						alert(xmlhttp.responseText);

						if(xmlhttp.responseText == "[0]"){ 
							document.getElementById("username_re").innerHTML = "<font color='green'>用户可用！</font>";
						}
						else { 					
							document.getElementById("username_re").innerHTML = "<font color='red'>已经被注册！！</font>";
							 document.getElementById('userid').focus(); 
			                 document.getElementById('userid').select();
						}
					}
				}
			}
        //end
	    }
        //检查用户结束



// ID 체크
	function idCheckRule(id)
	{
		var str = "abcdefghijklmnopqrstuvwxyz1234567890_";
		var chk = 0 ;

		if ( (id.value.length < 4) || ( id.value.length > 16) )
		{
			return false;
		}
		
		try {
			for(i = 0; i < id.value.length; i++)
			{
				idcheck = id.value.charAt(i);
				for(j = 0; j < str.length; j++)
				{
					if(idcheck == str.charAt(j))
					{
						chk = chk + 1
						break;
					}
					if(j == str.length)
					{
						return false;
					}
				}
			}
			if(chk == id.value.length)
			{
				return true;
			}
		} catch (E) {
			alert(id);
			return false;
		}
	}

// 번호 체크
	function telCheckRule(id)
	{
		var str = "1234567890";
		var chk = 0 ;

		if (id.value.length != 11)
		{
			return false;
		}

		for(i = 0; i < id.value.length; i++)
		{
			idcheck = id.value.charAt(i);
			for(j = 0; j < str.length; j++)
			{
				if(idcheck == str.charAt(j))
				{
					chk = chk + 1
					break;
				}
				if(j == str.length)
				{
					return false;
				}
			}
		}

		if(chk == id.value.length)
		{
			return true;
		}
	}


	function checkSpecial(t){
		var re = /[']|[\\]/;
		if(re.test(t.value)){
			alert("不能包含特殊符号，请重新填写.");
			t.value=t.value.replace(re,"");
		}
	}