//Uses jQuery

$(document).ready( function() {
   	//external links open in new centered window
    $('A[rel="external"]').click( function() {
		var pop_width = 790;
		var pop_height = 450;
		
		var win_left = (($(window).width()-pop_width)/2);
		var win_top = (($(window).height()-pop_height)/2)+70;

		window.open( $(this).attr('href'),'_blank','width='+pop_width+',height='+pop_height+',scrollbars=yes,resizable=1,top='+win_top+',left='+win_left );
        return false;
    });	


});