// ------------------------------------------------------------------------- //
// JavaScript Function Library for ACB Online									               //
// Written by: 										                                       //
// ------------------------------------------------------------------------- //
//ham mask curency
function formatCurrency(num){
	num=num.toString().replace(/\$|\,/g,'');
	if(isNaN(num))
		num="0";
	sign=(num==(num=Math.abs(num)));
	num=Math.floor(num*100+0.50000000001);
	cents=num%100;
	num=Math.floor(num/100).toString();
	if(cents<10)
		cents="0"+cents;
	for(var i=0;i<Math.floor((num.length-(1+i))/3);i++)
		num=num.substring(0,num.length-(4*i+3))+','+num.substring(num.length-(4*i+3));
	//return (((sign)?'':'-') + '$' + num + '.' + cents);
	return (((sign)?'':'-') + num );
}
//ham cat ky tu tien te
function filterNum(str){
	re=/^\$|,/g;
	// remove "$" and ","
	return str.replace(re, "");
}
//ham nay dung de cat 2 khoan trang lien tiep
function blank_(str1,str2){
	var i=0;
	var stmp1='',stmp2='';
	var lentmp=str2.length;
	while(i<lentmp){
		stmp1=str2.charAt(i)+str2.charAt(i+1);
		if(stmp1!=str1){
			stmp2=stmp2+str2.charAt(i);
		}
		i++;
	}
	return stmp2;
}
//ham bo 2 khoang trang
function doubleblank(str){
  var i = 0;
  var stmp1='', stmp2='';
  var lentmp = str.length;
  while(i < lentmp)	{
		stmp1 = str.charAt(i) + str.charAt(i+1);
		if (stmp1 != '  '){stmp2 = stmp2 + str.charAt(i);}
		i++;
  }
	if(stmp2==' '){stmp2='';}
  return stmp2;
}