//display functions

overlayer = {	
	
	detail:'',
	showBox: function(num) {
		//fill in content
		overlayer.detail = document.getElementById("inhalt_"+num).innerHTML;
		document.getElementById("overlay").innerHTML = overlayer.detail;	
		//show
		Effect.Appear('overlay_shadow', { duration: 0.5, from: 0.0, to: 0.8 });
		Effect.Appear('overlay', { duration: 0.5, from: 0.0, to: 1 });
	},
	hideBox: function() {
		//hide
		document.getElementById("overlay").style.display = "none";
		document.getElementById("overlay_shadow").style.display = "none";			
		//empty content
		overlayer.detail = '';
		document.getElementById("overlay").innerHTML = overlayer.detail;	
	}	
	
}