function Sort(id) {

if (document.getElementById) {
    var show = document.getElementById(id);


	show.style.display = "block"
}
}

function Hide() {

if (document.getElementById) {
    
	document.getElementById('cost').style.display = "none";
        document.getElementById('channels').style.display = "none";
 document.getElementById('bandwidth').style.display = "none";
 document.getElementById('sampling').style.display = "none";
document.getElementById('resolution').style.display = "none";
document.getElementById('buffer').style.display = "none";


 document.getElementById('dynamic').style.display = "none";
document.getElementById('pc').style.display = "none";

	

    }
   }