$(document).ready(function(){ 
	$('#main article aside button').click(function() {
		$(this).parent().parent().fadeOut(400);
	});	
	
	$('#main header h2').click(function() {
		var clickedElementId = $(this).attr('id');
		$('#main article#art-'+ clickedElementId).fadeIn(300);
	});
	
	$('body').delegate('#main header h2','mouseover mouseleave', function(e){
		if (e.type == 'mouseover') {
			var elementId = $(this).attr('id');
			$('#main #hov-'+ elementId).fadeIn(500);
		} else {
			var elementId = $(this).attr('id');
			$('#main #hov-'+ elementId).fadeOut(300);
		}
	});
	
});
	
function externalLinks() {
    if (!document.getElementsByTagName) return;
    var anchors = document.getElementsByTagName("a");
    for (var i=0; i<anchors.length; i++) {
        var anchor = anchors[i];
        if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external")
            anchor.target = "_blank";
    }
}
window.onload = externalLinks;