//初期値をセットする
function FormReset() {
	document.forms[1].username.value = "";
	document.forms[1].usercheck.value = "";
	document.forms[1].submit();
}
// 半角数字以外の文字列を含むか判定
function isNumber() { 
if ( !isNaN(document.forms[1].username.value) && document.forms[1].username.value.length == 10) { 

	document.forms[1].usercheck.value = "";
	document.forms[1].submit();
} 
else {
	document.forms[1].usercheck.value = "1";
	document.forms[1].username.value = "";
	document.forms[1].submit();
}
}