function VacaturePopup(source) {
	var txtScrollbar = 'yes';
	//var x = (x==null)?100:x;
	//var y = (y==null)?100:y;
	var x = 300;
	var y  = 200;
	var src= 'vacature.htm';
	var id = 'vacature';
	var width = 600;
	var height = 500;

	//alert(source);
	//alert(source.open);
	var options =
				 'width='+width+
		    	',height='+height+
		    	',menubar=no'+
		    	',status=no'+
		    	',scrollbars='+ txtScrollbar +
		    	',toolbar=no'+
		    	',location=no'+
		    	',dependent=no'+
		    	',top='+y+
		    	',screenY='+y+
		    	',left='+x+
		    	',screenX='+x+
		    	',directories=no'+
		    	',fullscreen=no'+
		    	',resizable=yes';

	var popup = source.open( src, id, options);
	popup.focus();
	return false;
}