//Pop up vensters

function OpenWindow(url,w,h,scrollbars) {
	var name = "scherm";
	LeftPosition = (screen.width) ? (screen.width- w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height- h)/2 : 0;
	
    var popup = window.open(url,name,"scrollbars="+scrollbars+",width="+w+",height="+h+",menubar=no,toolbar=no,top="+TopPosition+",left="+LeftPosition+",location=no,directories=no,resizable=no");

	if (popup.focus) { popup.focus(); }
}

//Formulier check

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+='- '+nm+' adres is niet correct\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' moet een nummmer 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 nummer bevatten tussen '+min+' and '+max+'\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is vereist\n'; }
  } if (errors) alert('De volgende velden zijn niet correct ingevuld:\n\n'+errors);
  document.MM_returnValue = (errors == '');
}

//Fullscreen pop-up gallery

name = "firstWindow";
var bigWindow = null;
function popupWindow(win) {
bigWindow=window.open(win,"secWindow","scrollbars=0,resizable=yes,status=no");
bigWindow.moveTo(0,0);
bigWindow.resizeTo(window.screen.availWidth, window.screen.availHeight);
if (document.layers) {
	window.location.href='egypt-gallery/index.html'
	}
bigWindow.focus();
}