var fm = new Array("@yahoo.", "@goo.","@hotmail.", "@infoseek.");

function f_check(obj) {
	/*
	if(navigator.cookieEnabled != true) {
		alert("現在、クッキーが無効です。\nhttp://www.google.co.jp/cookies.htmlをご覧になり、\nクッキーを有効にしてください。");
		open("http://www.google.co.jp/cookies.html", "_blank");
		return false;
	}*/

	email = trim(obj.email.value);
	if (email == "") { 
		alert("メールアドレスを入力してください");
		obj.email.focus();
		return false;
	} else if (email.indexOf(",") > 0 || !email.match(/[\w\.\-]+\@[\w\.\-]+\.[a-zA-Z]{2,6}$/)) {
		alert("メールアドレスを正確に入力してください");
		obj.email.focus();
		return false;
	} else if (!chkTukaisute(email)) {
		alert("このメールアドレスは利用できません。");
		obj.email.focus();
		return false;
	}
	/* ここまで厳密にやらに方がよいと思うので変更
	else {
		for (i = 0; i < fm.length; i++) {
			if (email.indexOf(fm[i]) >= 0) {
				alert("フリーメールのアドレスは使えません");
				obj.email.focus();
				return false;
			}
		}
	}*/
	//alert(obj.name);
	fn = obj.name; //point
	if (fn == "mmreg") {
		fmname = trim(obj.fname.value);
		if (fmname == "" || hankakuCheck(fmname)) {
			alert("名字を全角文字で入力してください");
			obj.fname.focus();
			return false;
		}
		/*if (obj.lname.value == "" || hankakuCheck(obj.lname.value)) {
			alert("名：を全角文字で入力してください");
			obj.lname.focus();
			return false;
		}*/
	}
	return true;
}

function hankakuCheck(str) {
   if( str.match( /[\w]+/ ) ) return true;
   return false;
}

function trim(str) {
    str = str.replace(/^[ ]+|[ ]+$/g, '');
    return str.replace(/^[　]+|[　]+$/g, '');
    //return str.replace(/^[ ]+|[ ]+$/g, '');
}

function chkTukaisute(email){
	var tmp = email.split('@');
	var domain = tmp[1];
	
	var tukaisute = new Array("15qm.com","bodhi.lawlita.com","dodgemail.com","dontreg.com","farifluset.mailexpire.com","fishfuse.com","golfilla.info","guerrillamail.biz","guerrillamail.com","hyper.cx","ichimail.com","jetable.com","jetable.org","kinglibrary.net","king-postman.com","loveboat.cx","mail.htl22.at","mail.svenz.eu","maileater.com","mailexpire.com","mailin8r.com","mailinator.com","mailinator.net","mailinator2.com","melmel.tv","mippi-mail.com","modmailcom.com","momo-mail.com","mx0.wwwnew.eu","mytrashmail.com","nakayoshi.cc","pets-mail.com","pookmail.com","roromail.com","shingor.net","sogetthis.com","spam.la","spambox.us","spamfree24.com","spamfree24.de","spamfree24.eu","spamfree24.info","spamfree24.net","spamfree24.org","spamherelots.com","spamhole.com","supermailer.jp","takechiyo.net","tempemail.net","tempomail.fr","temporaryinbox.com","thisisnotmyrealemail.com","trashymail.com","tsukaisute.net","vansoftcorp.com","vansoftcorp.net","youngpostman.net","aravensoft.com","nomails.com");
	
	for (var i = 0; i < tukaisute.length; i ++) {
		if(domain == tukaisute[i]){
			//alert("このメールアドレスは利用できません。");
			return false;
		}
	}
	return true;
}