function sure(text) {
    if(confirm(text)) { return true; }
    else { return false; }
}

function telinzet() {
  var sum = 0;
  var inputs = document.getElementsByTagName("input");
  for (i =0; i < inputs.length; i++){

    if (!inputs[i].type || !inputs[i].type == "text") {
      continue;
    }
    if (!inputs[i].name || !inputs[i].name.match(/^inzet\[\d+\]$/)) {
      continue;
    }
    if( inputs[i].value.match( /^\d+$/)) {
      sum += parseInt(inputs[i].value, 10);
    }
    else {
      sum += 0;
    }
  }
  
  document.getElementById("totaalinzet").value = sum;
}

function SelectUser(user) {
  window.opener.document.forms['pmnieuw'].elements['gebruiker'].value = user;
  window.top.close() ;
  window.top.opener.focus() ;
}

var win=null;
function popup(mypage,myname,w,h,pos,infocus){
    if(pos=="random"){myleft=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;mytop=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
    if(pos=="center"){myleft=(screen.width)?(screen.width-w)/2:100;mytop=(screen.height)?(screen.height-h)/2:100;}
    else if((pos!='center' && pos!="random") || pos==null){myleft=0;mytop=20}
    settings="width=" + w + ",height=" + h + ",top=" + mytop + ",left=" + myleft + ",scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no";win=window.open(mypage,myname,settings);
    win.focus();
}

function SelectUser(user) {
        window.opener.document.forms['pmnieuw'].elements['gebruiker'].value = user;
        window.top.close() ;
        window.top.opener.focus() ;
}