/* ---------------------------------------------------------------------------------- */
/*                    /* check email address validity in online forms                 */
/* ---------------------------------------------------------------------------------- */

function MM_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  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+=' Gelieve een correct emailadres op te geven.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) 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 cijfer bevatten tussen '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += 'Een correct emailadres is vereist. \n'; }
  } if (errors) alert('\n'+errors);
  document.MM_returnValue = (errors == '');
}


/* checkdata input fields contactforms  */
 
 function checkdata() {
var errormessage = "Gelieve nog de volgende gegevens aan te vullen: \n\n"; 

if (document.LDW.Voornaam.value == "") 
{errormessage = errormessage + " * Voornaam  \n";}

if (document.LDW.Familienaam.value == "") 
{errormessage = errormessage + " * Familienaam  \n";}

if (document.LDW.email.value == "") 
{errormessage = errormessage + " * E-mail  \n";}

if (document.LDW.Telefoon.value == "") 
{errormessage = errormessage + " * Telefoon \n";}

if (document.LDW.Bericht.value == "") 
{errormessage = errormessage + " * Bericht \n";}

if (errormessage == "Gelieve nog de volgende gegevens aan te vullen: \n\n") 
{document.LDW.submit();}

else {
alert(errormessage);
return false;
   }
}


/* new window popup  */

function NewWindow(mypage, myname, w, h, scroll) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }

}

/* new window popup video's  */

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