// page initialisation stuff
$(document).ready(function(){
	
	// set up random background image
	function randBackground(){
    	$("body").css({'background':"url('/img/bg"+Math.floor(Math.random()*8)+".jpg') top left no-repeat #000"}); // random background image
    }
    
    randBackground();

    // activate accordian
	$("#Navigation ul").accordion({ active: false, alwaysOpen: false,autoHeight: false});

	// subnav links click behaviour
	$("#Navigation li li a").click(function () {
		$("body").css({'background':"#000"}); // set bg to black
		$('#Spinner').show(); // show spiner
		$('#View').load(this.href,'',function(){$('#Spinner').hide(),$('#View').show()}); // load content, hide spinner
		$(this).css({'text-decoration':'line-through','opacity': '.5','filter': 'alpha(opacity=50)'});
    });
    
    $("#Navigation h1 a").click(function () {
    	$("#Navigation ul").accordion("activate", -1); // close accordion
    	$('#View').empty(); // clear content pane
    	randBackground();
    	return false;
    });
});