jQuery(document).ready(function(){
	jQuery("#headerimg-nav a").click( function() {
		// copy current image into div bg
		var bgimg = "url("+jQuery("#headerimg").attr("src")+") no-repeat";
		jQuery(".promo").css("background", bgimg);
		// capture href attribute
		var changeSrc = jQuery(this).attr("href");
		var id = jQuery(this).attr("alt");
		// now fadeout the current image, fade in new image on callback
		jQuery("#headerimg").fadeOut("normal", function(){
			jQuery(id).attr("src", changeSrc).fadeIn("slow");
		});
		// add current class
		jQuery('#headerimg-nav a').removeClass('current');
    	jQuery(this).addClass('current');
    	// suppress href click
		return false;
	});
});