function CheckEMailS(str_email) {
        t = str_email.indexOf("@");
        if ((str_email.indexOf(".") == -1) || (t == -1) || (t < 1) || (t > str_email.length - 5) || (str_email.charAt(t - 1) == '.') || (str_email.charAt(t + 1) == '.'))  {
        alert('Please enter your emaill');
        return false;
        }
        return true;
    }

function make_blank(name1){
  if(document.getElementById(name1).value != window[name1]) { }
  else { document.getElementById(name1).value =""; }
}
function refill(name1){
  if(document.getElementById(name1).value != "") { }
  else { document.getElementById(name1).value = window[name1]; }
}