function filterItem(id) {
	if(id == 'usens'){
		document.getElementById("usens").style.display = "inline";
		document.getElementById("radios").style.display = "none";
		document.getElementById("tvs").style.display = "none";
	} else if(id == 'radios'){
		document.getElementById("usens").style.display = "none";
		document.getElementById("radios").style.display = "inline";
		document.getElementById("tvs").style.display = "none";
	} else if(id == 'tvs'){
		document.getElementById("usens").style.display = "none";
		document.getElementById("radios").style.display = "none";
		document.getElementById("tvs").style.display = "inline";
	} else {
		document.getElementById("usens").style.display = "none";
		document.getElementById("radios").style.display = "none";
		document.getElementById("tvs").style.display = "none";
	}
}