var popupBr = null;
var popupVariable = null;
var popupHelptekst = null;

function MM_openBrWindow(theURL,winName,features) { //v2.0
  popupBr = window.open(theURL,winName,features);
  if (window.focus) {popupBr.focus()}
}

function MM_openWindowVariable(theURL) { //v2.0
  	popupVariable = window.open(theURL,'variable','scrollbars=auto,left=' + (screen.width-500)/2 + ',top=' + (screen.height-225)/2 + ',width=500,height=325');
  	if (window.focus) {popupVariable.focus()}
}

function MM_openWindowHelptekst(theURL) { //v2.0
  	popupHelptekst = window.open(theURL,'helptekst','scrollbars=auto,left=' + (screen.width-500)/2 + ',top=' + (screen.height-225)/2 + ',width=500,height=225');
  	if (window.focus) {popupHelptekst.focus()}
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_validateForm() { //v3.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' moet een geldig e-mail adres bevatten.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (val!=''+num) errors+='- '+nm+' moet een getal bevatten.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' moet een getal bevatten tussen '+min+' en '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is verplicht.\n'; }
  } if (errors) alert('De volgende fouten zijn opgetreden:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}