function portfolioNav(e) {
	
	e.preventDefault();
	
	// get my group id
	var myGroupLabel = $(e.currentTarget).attr("href");
	var objects = $('[rel=group-select]');
	
	// check for "all"
	if (myGroupLabel == "") {

		for (var i=0; i<objects.length; i++) $(objects[i]).removeClass('selected');
		$(e.currentTarget).addClass('selected');
		$('.portfolio-sample').fadeIn(300);
		
	} else {
	
		myGroupLabel = myGroupLabel.substr(0,myGroupLabel.length-1);
	
		// get other group ids
		var otherIDs = Array();
		var thisGroupLabel = "";
		for (var i=0; i<objects.length; i++) {
			thisGroupLabel = $(objects[i]).attr("href");
			thisGroupLabel = thisGroupLabel.substr(0,thisGroupLabel.length-1);
			if (thisGroupLabel != myGroupLabel) {
				if (thisGroupLabel != "") $('[id^=' + thisGroupLabel + ']').fadeOut(300);
				$(objects[i]).removeClass('selected');
			}
		}	
	
		$(e.currentTarget).addClass('selected');
		$('[id^=' + myGroupLabel + ']').delay(300).fadeIn(300);

	}
	
}

$(document).ready(function() {
	
	$('[rel=group-select]').bind("click",portfolioNav);
	
});