$(function(){
	// add styling hooks to primary nav
	$('.page_item').parent().addClass('nav1').attr('id','navPrimary');

	// decorate all external links that do not (initially) contain images
	$('a').each(function(){	
		if($(this).attr('target') == '_blank' && !$(this).find('img').size()){
			$(this).append(' <img src="/wp-content/themes/core5/images/extlink.png" width="12" height="12" border="0" />');
		}
	});
	
	// add pipelines between footer nav elements for IE7	
	if($.browser.msie && $.browser.version == 7) $('#navFooter li:not(.last)').append(' | ');
});