// 'test','','R'		=> required
// 'test','','NisNum'		=> moet een getal zijn
// 'test','','NinRange1:10'	=> getal tussen 1 en 10
// 'test','','NisEmail'		=> email adres

function MM_findObj(n, d) { //v4.0
  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);
  if(!x && document.getElementById) x=document.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+='- '+nm+' has to be a valid email address\n';
      } else if (test!='R') {
        if (isNaN(val)) errors+='- '+nm+' has to be a number\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (val<min || max<val) errors+='- '+nm+' has to be a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required\n'; }
  } if (errors) alert('The following errors have been found:\n\n'+errors);
  document.MM_returnValue = (errors == '');
}

var NS = (document.layers) ? 1 : 0;
var IE = (document.all) ? 1: 0;

function openwin(url,width,height,options)
{	var w = width + 15;
	var h = height + 15;
	var day = new Date();
	var id  = day.getTime();
	if ( navigator.appName != "Netscape" )
	{	h = h + 5;
	}
	eval("page" + id + " = window.open(url,'"+id+"','statusbar=0,resizable,width="+w+",height="+h+options+"');");
}