// JScript File
//Lay 1 chuoi ngau nhien
function getStrRandom(string_length) {
	var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
	var randomstring = '';
	for (var i=0; i<string_length; i++) {
		var rnum = Math.floor(Math.random() * chars.length);
		randomstring += chars.substring(rnum,rnum+1);
	}
	return  randomstring;
}

//Dinh dang chuoi so theo chuan quoc te
function formatNumber(nNumber)
{
	var s=new String(nNumber);
	var sStandard=new String("");	
	for(var i=0;i<=s.length;i++)
	{
		var n=ascii_value(s.charAt(i));
		if(n==46||(48<=n&&n<=57))
		{
			sStandard+=s.charAt(i);
		}
	}
	s=sStandard;
	
	var arr=new Array();
	arr=s.split(".");
	
	var s1=new String();	
	s1=arr[0];
	
	var stemp=new String("");
	var count=1;
	for(var i=s1.length-1;i>=0;i--)
	{		
		if(count>3)
		{
			stemp=","+stemp;
			count=1;
		}
		count++;
		stemp=s1.charAt(i)+stemp;
	}
	if(stemp!="")
	{
		if(arr.length==1)
			stemp+=".00";
		else if(arr.length>1)
		{
			var s2=new String(arr[1]);
			s2="0."+arr[1];
			s2=Math.round(parseFloat(s2)*100);
			stemp+="."+s2;
		}
	}
	
	/*var arr1=new Array();
	arr1=stemp.split(".");
	
	if(arr1[1].length < 2)
		stemp +="0";*/
	
	return stemp;
}
function ascii_value(c)
{
	c=c.charAt (0);	
	for(var i=0;i<256;i++)
	{
		var h=i.toString(16);
		if(h.length==1) h="0"+h;
		h="%"+h;
		h=unescape(h);
		if(h==c) break;
	}
	return i;
}

function replaceAll(sExpression,sOld,sNew)
{
    var s=new String(sExpression);
    while(s.indexOf(sOld)>=0)
        s=s.replace(sOld,sNew);
    return s;
}

function symbolsToEntities(sText) {
	var sNewText = "";
	var iLen = sText.length;
	for (i=0; i<iLen; i++) {
		iCode = sText.charCodeAt(i);
		sNewText += (iCode > 256? "&#" + iCode + ";": sText.charAt(i));
	}
	return sNewText;
}

function sec2min(nSec)
{
    var nTemp=nSec/60;
    var nRMin=parseInt(nTemp);
    if(parseInt(nTemp)>nTemp)
        nRMin-=1;
    var nRSec=nSec-60*nRMin;
    return nRMin+":"+nRSec;
}
//Ket thuc dinh dang chuoi theo chuan quoc te