// JavaScript Document
function HideDiv(ID) {
	document.getElementById(ID).style.display = 'none';
}
		
function ShowDiv(ID) {
	document.getElementById(ID).style.display = '';
}
		
function ShowHideDiv(ID, valore) {
	HideAll("cat",valore);
	ShowDiv(ID);
}
		
function HideAll(prefix,iterations){
	for (i=1;i<=iterations;i++){
		HideDiv(prefix+i);
	}
}