// JavaScript Document
function isCharsInBag (s, bag)
{  
	var i;
	for (i = 0; i < s.length; i++)
	{   
		var c = s.charAt(i);
		if (bag.indexOf(c) == -1) return false;
	}
	return true;
}
function isCharsInBagRB (s, bag)
{  
	var i;
	for (i = 0; i < s.length; i++)
	{   
		var c = s.charAt(i);
		if (!bag.indexOf(c) == -1) return false;
	}
	return true;
}
function EC(e, message){
    var re = /^([A-Za-z0-9\_\-]+\.)*[A-Za-z0-9\_\-]+@[A-Za-z0-9\_\-]+(\.[A-Za-z0-9\_\-]+)+$/;
    var sEMail = e.value;
    if (sEMail==""){
	alert("Chua nhap dia chi Email !");
	e.focus();
	return (false);
		}
		else if (sEMail.search(re) == -1){
	alert(message);
	e.select()
	e.focus()
	return (false);
	}
	else{
	return (true);
    }
}
/*
	Author: vutt <vutt@von-inc.com>
	Date: 30/11/2007
	Description: Khoi tao danh sach cac ki tu khong cho phep
*/
function isBlackListTag(strCheck)
{
	var arrList = new Array();
	arrList[0] = "<";
	arrList[1] = ">";
	arrList[2] = "=";
	arrList[3] = "#";
	arrList[4] = "[";
	arrList[5] = "]";
	arrList[6] = "{";
	arrList[7] = "}";
	arrList[8] = "*";
	arrList[9] = "^";
	arrList[10] = "~";
	arrList[11] = "\$";
	for(var i=0;i<arrList.length;i++)
	{
		if(strCheck.indexOf(arrList[i])>=0)	
		{
			return true;	
		}
	}
	return false;
}
/*
	Author: vutt <vutt@von-inc.com>
	Date: 30/11/2007
	Description:Kiem tra gia tri nhap vao
*/
function checkInputNormalText(strCheck)
{
    var strMessage = strCheck; 
    if (strMessage=="")
	{		 	
		return (false);
	}
	else if(isBlackListTag(strCheck))
	{
		return (false);
	}
	else
	{
		return (true);
    }
}
function isNumber(strCheck)
{
	if(strCheck == '')
	{
		return false;	
	}
	return !isNaN(strCheck);
}
function checkEmail(stringIn) 
{
		
	var re = /^([A-Za-z0-9\_\-]+\.)*[A-Za-z0-9\_\-]+@[A-Za-z0-9\_\-]+(\.[A-Za-z0-9\_\-]+)+$/;
    var sEMail = stringIn;
    if (sEMail=="")
	{
		return (false);
	}
	else if (sEMail.search(re) == -1)
	{
		return (false);
	}
	else
	{
		return (true);
    }
}
function checkPhone(stringIn) 
{
	var strTmp = stringIn.replace('-','');
	strTmp = strTmp.replace('.','');
	return isNaN(strTmp);
}
function addCommas(nStr)
{
	nStr += '';
	
	x = nStr.split('.');
	x1 = x[0];
	
	x2 = x.length > 1 ? '.' + x[1] : '';
	
	var rgx = /(\d+)(\d{3})/;
	
	while (rgx.test(x1))
	{
		x1 = x1.replace(rgx, '$1' + '.' + '$2');
	}
	
	return x1 + x2;
}
function removeCommas(theString)
{
	var rgx = /(\.)/g;
	
	return theString.replace(rgx, "");
}
//cat bo khoang trang 2 dau
function trim(val)
{ 
	return val.replace(/^\s+|\s+$/g,"");
}

function StripHTML(str)
{
	str = str.replace(/<br>/g,"");
	str = str.replace(/<\/br>/g,"");
	return str;
}


var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr)
{
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		//alert("The date format should be : mm/dd/yyyy")
		return 0;
	}
	if (strMonth.length<1 || month<1 || month>12)
	{
		//alert("Please enter a valid month")
		return -1;
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month])
	{
		//alert("Please enter a valid day")
		return -2;
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear)
	{
		//alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return -3
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false)
	{
		//alert("Please enter a valid date")
		return -4
	}
return 1
}
function checkNoneUnicode(p_strValue)
{
	return true;
}