function viewImg(strImg) {
			window.open ( 'include/view_img.php?strImg='+ strImg,'img', 'width=510,height=430,scrolling=auto' );
  			//alert ("U heeft browser "+ navigator.appName +".");
		}
function viewImg(strImg) {
	window.open ( 'include/view_img.php?strImg='+ strImg,'img', 'width=510,height=430,scrolling=auto' );
		}
function leave() {
window.open('totziens.php','','toolbar=no,menubar=no,location=no,height=250,width=300');
}

function show_t(name,optie) 
{
	if (document.getElementById) 
	{
		var boxN = document.getElementById(name);

		if (optie == 1) 
		{
			boxN.style.visibility = "visible";
		} 
		else
		{
			boxN.style.visibility = "hidden";
		}
	} 
}



function openit(sURL)
{
  newwindow=open(sURL,'newwin','toolbar=no,menubar=no,resizable=yes,scrollbars=yes');
}

function check_gegevens(form)
{
	returns = true;
	if (form.famname.value=="")
   {
	  form.famname.style.backgroundColor='#ff7777';
      returns = false;
   }
	if (form.name.value=="")
   {
	  form.name.style.backgroundColor='#ff7777';
      returns = false;
   }
	if (form.street.value=="")
   {
	  form.street.style.backgroundColor='#ff7777';
      returns = false;
   }
	if (form.nr.value=="")
   {
	  form.nr.style.backgroundColor='#ff7777';
      returns = false;
   }
	if (form.post.value=="")
   {
	  form.post.style.backgroundColor='#ff7777';
      returns = false;
   }
	if (form.town.value=="")
   {
	  form.town.style.backgroundColor='#ff7777';
      returns = false;
   }
	if (form.tel.value=="")
   {
	  form.tel.style.backgroundColor='#ff7777';
      returns = false;
   }
	if (form.email.value=="")
   {
	  form.email.style.backgroundColor='#ff7777';
      returns = false;
   }
   else
   {
	   	var x = form.email.value;
		var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		if (filter.test(x))
		{
		}
		else
		{
			 alert('Het door u ingevoerde emailadres is niet correct.');
	 		 form.email.style.backgroundColor='#ff7777';
     		 returns = false;
		}
   }
   form.name.focus();
   return returns;
}

function checkrequired(which)
{
var pass=true;
if (document.images) {
for (i=0;i<which.length;i++) {
var tempobj=which.elements[i];
if (tempobj.name.substring(0,8)=="required") {
if (((tempobj.type=="text"||tempobj.type=="textarea" ||tempobj.type=="password")&&
tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&
tempobj.selectedIndex==0)) {
pass=false;
break;
         }
      }
   }
}
if (!pass)
{
  shortFieldName=tempobj.name.substring(8,30).toUpperCase();
  alert("U heeft "+shortFieldName+" niet ingevuld.");
  return false;
}
else
{
  pw1 = document.inschrijven.requiredwachtwoord.value;
  pw2 = document.inschrijven.requiredherhaalwachtwoord.value;

  if (pw1!=pw2)
  {
    alert ("U heeft niet tweemaal hetzelfde wachtwoord ingevoerd.");
    return false;
  }
  else
  {
    return true;
  }

 }
}