<!--
IMP = 1
NUMLEN = 2
NUM = 3

function inpcheck(object, smsg)
{
	if (str == "") {
		alert("\n" + smsg + "を入力して下さい");
		object.focus();
		return false;
	}

}

function telnocheck(object, smsg)
{
	str = object.value;
	if (str == "") {
		alert("\n" + smsg + "を入力して下さい");
		object.focus();
		return false;
	}
	len = str.length;

	for (i=0 ; i < len ; i++) {
	 	if (str.charAt(i) != "-" ){
			if (isNaN(str.charAt(i))) {
				alert("\n" + smsg + "は030-1234-5678形式で入力して下さい");
				object.focus();
				return false;
			}
	 	}
	}
	return true;
}

function numcheck(object, smsg)
{
	str = object.value;
	if (str == "") {
		alert("\n" + smsg + "を入力して下さい");
		object.focus();
		return false;
	}
 	if (isNaN(str) == true){
		alert("\n" + smsg + "は数字で入力して下さい");
		object.focus();
		return false;
 	}
	return true;
}
function impcheck(object, smsg, sw, len)
{
	str = object.value;
	if (str == "") {
		alert("\n" + smsg + "を入力して下さい");
		object.focus();
		return false;
	}
	if (sw == NUMLEN){
		if (numcheck(object, smsg ) == false){
			return false;
		}
		if (lencheck(object, smsg, len ) == false){
			return false;
		}
	}
	if (sw == NUM){
		if (numcheck(object, smsg ) == false){
			return false;
		}
	}
	return true;
}
function lencheck(object, smsg, len)
{
	str = object.value;
	if (str.length != len){
		alert("\n" + smsg + "は" + len + "桁で入力して下さい");
		object.focus();
		return false;
	}
	return true;
}
function validation() {
		str = document.myForm.order_num.value;
	 	if (isNaN(str) == true){
			alert("\n数量は数字で入力して下さい");
			document.myForm.order_num.focus();
			return false;
	 	}
}
// -->