// JavaScript Document
function show_hide(id){
	
//obj=document.getElementById(id)

var d = document.getElementById(id);
	for (var i = 1; i<=10; i++) {
		if (document.getElementById('sub'+i)) {document.getElementById('sub'+i).style.display='none';}
	}
	
	if (d) {d.style.display='block';}
	
//obj.style.display == "block" ? obj.style.display = "none" : obj.style.display = "block"; 

}