$(document).ready(function(){
	if( window.location.hash && document.getElementById(window.location.hash.substring(1)) ){
		dal_hideAllExcept(window.location.hash);
	} else {
		dal_hideAllExcept(':first');
	}
	init_grayspace();
});

function init_grayspace(){	
	$('div#grayspace div.nav area').click(function(){
		var hash = this.hash;
		$('div#services > div.service:visible').fadeOut('slow',function(){$('div.service').filter(hash).fadeIn();});
		
		$('div#grayspace div.nav area').removeClass('selected');
		$(this).addClass('selected');
		
		this.blur();
	});
}
function dal_hideAllExcept(el){
	$('div#services div.service').hide();
	$('div#services div.service').filter(el).show();
	$('div#grayspace div.nav area').filter(el).addClass('selected');
}