function validate_email(field,alerttxt)
{
with (field)
  {
  apos=value.indexOf("@");
  dotpos=value.lastIndexOf(".");
  if (apos<1||dotpos-apos<2)
    {alert(alerttxt);return false;}
  else {return true;}
  }
}
function validate_us(field,alerttxt)
{
with (field)
  {
  if (value==null||value=="")
    {
    alert(alerttxt);return false;
    }
  else
    {
    return true;
    }
  }
}
function validate_form(thisform)
{
with (thisform)
  {
  if (validate_email(email,"U bent vergeten een correct e-mailadres in te vullen!")==false)
    {email.focus();return false;}
  if (validate_us(name,"U bent vergeten uw naam in te vullen!")==false)
    {name.focus();return false;}
  if (validate_us(bericht,"U bent vergeten een bericht in te vullen!")==false)
    {name.focus();return false;}	
  }
}

$(document).ready(function() {
			/*
			*   Examples - images
			*/
			$("#slider").easySlider();
			$("a[rel=group]").fancybox({
				'transitionIn'		: 'none',
				'transitionOut'		: 'none',
				'titlePosition' 	: 'over',
				'titleFormat'		: function(title, currentArray, currentIndex, currentOpts) {
					return '<span id="fancybox-title-over">Image ' + (currentIndex + 1) + ' / ' + currentArray.length + (title.length ? ' &nbsp; ' + title : '') + '</span>';
				}
			});
		});