// JavaScript Document

function checkForm(theForm) {
	if (theForm.name.value=="") {
		alert("이름을 입력해주세요");
		theForm.name.focus();
		return false;
	} else if (theForm.pw1.value=="") {
		alert("비밀번호를 입력해주세요.");
		theForm.pw1.focus();
		return false;
	} else if (theForm.pw1.value!=theForm.pw2.value) {
		alert("비밀번호가 맞지 않습니다.");
		theForm.pw2.focus();
		return false;
	}else if(theForm.phone.value=="") {
		alert("연락처를 입력해주세요");
		theForm.phone.focus();
		return false;
	} else if (theForm.upper.value=="") {
		alert("다락방을 입력해주세요");
		theForm.upper.focus();
		return false;
	} else if (theForm.unit1.value==""&&theForm.unit2.value==""&&theForm.unit3.value==""&&theForm.unit4.value==""&&theForm.unit5.value==""&&theForm.unit6.value==""&&theForm.unit7.value==""&&theForm.unit8.value==""&&theForm.unit9.value==""&&theForm.unit10.value==""&&theForm.unit11.value==""&&theForm.unit12.value==""&&theForm.unit13.value=="") {
		alert("물건의 구매수량을 하나 이상 적어주세요");
		theForm.unit1.focus();
		return false;
	}
}

function checkForm2(theForm) {
	if (theForm.name.value=="") {
		alert("이름을 입력해주세요");
		theForm.name.focus();
		return false;
	} else if (theForm.pw1.value!=theForm.pw2.value) {
		alert("비밀번호가 맞지 않습니다.");
		theForm.pw2.focus();
		return false;
	}else if(theForm.phone.value=="") {
		alert("연락처를 입력해주세요");
		theForm.phone.focus();
		return false;
	} else if (theForm.upper.value=="") {
		alert("다락방을 입력해주세요");
		theForm.upper.focus();
		return false;
	} else if (theForm.unit1.value==""&&theForm.unit2.value==""&&theForm.unit3.value==""&&theForm.unit4.value==""&&theForm.unit5.value==""&&theForm.unit6.value==""&&theForm.unit7.value==""&&theForm.unit8.value==""&&theForm.unit9.value==""&&theForm.unit10.value==""&&theForm.unit11.value==""&&theForm.unit12.value==""&&theForm.unit13.value=="") {
		alert("물건의 구매수량을 하나 이상 적어주세요");
		theForm.unit1.focus();
		return false;
	}
}

function SetNum(obj)
{
	val=obj.value;
	re=/[^0-9]/gi;
	obj.value=val.replace(re,"");
}

function updateUnit(val2)
{
	var cost2 = "unit_cost_" + val2;
	var amount2 = "unit_" + val2;
	var total2 = "unit_total_" + val2;
	
	var cost = parseInt(document.getElementById("unit_cost_" + val2).value);
	var amount = parseInt(document.getElementById("unit_" + val2).value);

	if (isNaN(cost))
		cost = 0;
	if (isNaN(amount))
		amount = 0;

	var total = cost * amount;
	
	var rtn_val;
	rtn_val = "" + total;
	
	if (rtn_val.length > 3)
	{
		var tCt = rtn_val.length % 3
		var lCt = rtn_val.length / 3
   
		var lPt = rtn_val.substr(0, tCt);
   
		for(var t=0 ; t<lCt; t++) 
			lPt = lPt + "," + rtn_val.substr(t*3+tCt, 3);
   
		if (tCt == 0)
			rtn_val = lPt.substr(1, lPt.length);
		else
			rtn_val = lPt.substr(0, lPt.length-1);
	}
	document.getElementById("unit_total_" + val2).value = rtn_val;
}