function show(div_id){
	if(div_id == "logo"){
		document.getElementById("anim").style.display ="none";
		document.getElementById("logos").style.display ="block";
		document.getElementById("btn-logo").className = "logo-title";
		document.getElementById("btn-anim").className = "anim-title-off";
	}
	else if (div_id == 'anim'){
		document.getElementById("anim").style.display ="block";
		document.getElementById("logos").style.display ="none";
		document.getElementById("btn-logo").className = 'logo-title-off';
		document.getElementById("btn-anim").className = 'anim-title';
	}
}