function IsValidEmail(strEmail) {	
///<summary>À̸ÞÀÏ À¯È¿¼º °Ë»ç</summary>

	if (strEmail + "" == "undefined" || strEmail + "" == "null" || strEmail + "" == "") {return false;}

	var intCount=0;
	
	strEmail += "";

	if (strEmail.length < 5) {return false;}

	for (intCount = 0; intCount < strEmail.length; intCount++)
	{
		if (!(((strEmail.charAt(intCount) >= "0") && (strEmail.charAt(intCount) <= "9")) || 
		((strEmail.charAt(intCount) >= "a") && (strEmail.charAt(intCount) <= "z")) || 
		((strEmail.charAt(intCount) >= "A") && (strEmail.charAt(intCount) <= "Z")) || 
		strEmail.charAt(intCount) == "@" || strEmail.charAt(intCount) == "." || 
		strEmail.charAt(intCount) == "_" || strEmail.charAt(intCount) == "-")) {return false; break;}
	}

	var intAtPos = strEmail.indexOf("@");
	var intAtLastPos = strEmail.lastIndexOf("@");
	
	if (intAtPos == -1 || intAtPos != intAtLastPos) {return false;}

	if (strEmail.indexOf(".") == -1 || strEmail.lastIndexOf(".") < intAtPos ||
	strEmail.lastIndexOf(".") == strEmail.length - 1 ||
	strEmail.indexOf("@") == 0 || strEmail.indexOf("@") == strEmail.length - 1) {return false;}

	var intPointPos = strEmail.indexOf(".");
	
	if (intPointPos == intAtPos + 1) {return false;}

	return true;
}
//-------------------------------------------------------------------------------------------------------------------------
//		¼ýÀÚüũ
//-------------------------------------------------------------------------------------------------------------------------
function IsValidNumber(strText)
{
	for(var i=0; i<strText.length; i++)
	{
		var chr = strText.substr(i, 1);		
		if(chr < '0' || chr > '9') { return false; }
	}

	return true;
}