var ani = {
	logo_chunck: {
		type: 'backgroundx', 
		to:  5/2 - 131, 
		step: 3, 
		delay: 10,
		onstart: function(){this.style.display = 'block'}
	},
	
	logo_close: {
		type: 'backgroundy', 
		to: 13, 
		step: 1, 
		delay: 30,
		onstart: function(){this.style.display = 'block'}
	}
	
}

function startAnimation(){
	$fx('#logo_chunck').fxHold(1000).fxAdd(ani.logo_chunck).fxRun(function(){ 
	 	$fx('#logo_chunck').fxAdd(ani.logo_close).fxRun();
	 });
		 
}