function onBlurUsername(in_url){
	var cd = document.frm_register.username.value;
	if(cd != "")
	{
		loadData(in_url+'?sid='+Math.random()+'&username='+cd,"showerror");
	}
}

//ham mask curency
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++;
  }
  return stmp2;
}


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));
  var result=(((sign)?'':'-') + num + '.' + cents);
  return result.substring(0,result.indexOf("."));
}
//ham cat ky tu tien te
function filterNum(str){
  re = /^\$|,/g;
// remove "$" and ","
  return str.replace(re, "");
}

function fitDocNum(svalue){
  if(svalue.indexOf(".")>= 0){
    return svalue.substring(0,svalue.indexOf("."));
  }
  else{
    return svalue;
  }
}