//make external links
$(document).ready(function(){
	$("a[class='external']").click(function(){
		window.open(this.href, "_blank");
		return false;
	});
 });

function openImage( imageId )
{
	var imageUrl = 'photo.php?image=' + imageId;
	var features = 'height=480,width=640,toolbar=no,resizable=no,scrollbars=no';
	var centreH = (screen.height - 250)/2;
	var centreW = (screen.width - 450)/2;
  
	window.open( imageUrl , imageId , features );
}

function openPopup( file )
{
	window.open( file , 'popup' , 'width=210, height=160' );
}

function openPopUp( file , name , features )
{
	window.open( file , name , features );
}