ldObj1 = null;
oldObj2 = null;
initTag = "";
function Navigate(tg, sr) {
	tObj = eval("document.all['" + tg + "']");
	if (oldObj1 != null)
	{
		oldObj1.style.fontWeight = "normal";
		oldObj1.style.color = "black";
		oldObj2.style.display = "none";
	}

	if (oldObj1 != sr)
	{
		sr.style.fontWeight = "bold";
		sr.style.color = "black";
		tObj.style.display = "block";

		oldObj1 = sr;
		oldObj2 = tObj;
	}
	else
	{
		oldObj1 = null;
		oldObj2 = null;
	}
}

function ViewFirst() {
	if (initTag != "")
	{
		tg = "sub" + initTag;
		sr = eval("document.all['main" + initTag + "']");
		Navigate(tg, sr);
	}
}
window.onload = ViewFirst;

// email Çü½Ä üũ
function IsEmail(str) {
  // regular expression Áö¿ø ¿©ºÎ Á¡°Ë
	var supported = 0;
	if (window.RegExp) {
		var tempStr = "a";
		var tempReg = new RegExp(tempStr);
		if (tempReg.test(tempStr)) supported = 1;
	}
	if (!supported) return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);

	var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
	var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");

	return (!r1.test(str) && r2.test(str));
}

//À̸ÞÀÏ ¼±ÅÃ
function SelectEmail(o) {
	if (o.selectedIndex == 0)
	{
		frmReg.email2.readOnly = true;
		frmReg.email2.value = "";
	}
	else
	{
		if (o.value == "")
		{
			frmReg.email2.readOnly = 0;
			frmReg.email2.value = "";
			frmReg.email2.focus();
		}
		else
		{
			frmReg.email2.readOnly = true;
			frmReg.email2.value = o.options[o.selectedIndex].value;
		}
	}
}

// ¼ýÀÚ¸¸ ³Ö´Â ½ºÅ©¸³Æ®
function js_int_key()
{	
	
	if ((event.keyCode<48) || (event.keyCode>57))
		
	{
		alert("¼ýÀÚ¸¸ ³Ö¾î ÁÖ¼¼¿ä.");
		event.returnValue = false;
	}
}

//Æû üũ
function SubmitRegister() {
	var form = document.frmReg;
	
	if (!form.agree.checked) {	
		alert("°³ÀÎÁ¤º¸ ¼öÁý¤ýÀÌ¿ë¿¡ µ¿ÀÇÇÏ¿© ÁÖ¼¼¿ä!");	
		form.agree.focus();	
		return false;
	
	}

	if (!form.product_sel.value) {	
		alert("Á¦Ç°À» ¼±ÅÃÇØÁÖ¼¼¿ä.");	
		form.product_sel.focus();	
		return false;
	
	}
	
	if (!form.name.value) {	
		alert("À̸§À» ÀÔ·ÂÇϼ¼¿ä.");	
		form.name.focus();	
		return false;
	}
	
		
	
	if (frmReg.name2.value == "") {
		alert("ºÒ¹ý ¹èÆ÷ URLÀ» Àû¾îÁÖ¼¼¿ä.")
		frmReg.name2.focus();;
		return false;
	}
	
	var email = frmReg.email1.value + "@" + frmReg.email2.value;
	if (!IsEmail(email)) {
		alert("À̸ÞÀÏ Çü½ÄÀÌ À߸ø µÇ¾ú½À´Ï´Ù.")
		frmReg.email1.select();
		return false;
	}
	if (frmReg.contents.value == "")
	{
		alert("ºÒ¹ý¹èÆ÷ »ç·Ê¸¦ ÀÔ·ÂÇÏ¿© ÁÖ¼¼¿ä.");
		frmReg.contents.focus();
		return false;
	}

	return true;
}