function togglehide(targetId,nId){
	if ( document.getElementById ){
		target = document.getElementById(targetId);
		target.style.display = "none";
		}
}

function toggledisplay(targetId,nId){
	if ( document.getElementById ){
		target = document.getElementById(targetId);
		target.style.display = "block";
		/* switch ( target.style.display ) {
			case "none":
				target.style.display = "block";
				break;
			case "block":
				target.style.display = "none";
				break;
			default:
				target.style.display = "none";
				break; 
		}*/
	}
}	


function activate(id,count){
	for(var i=1; i<count+1; i++){
			if(i==id){
				toggledisplay('n'+i);
			}else{
				togglehide('n'+i);
			}			
	}	
}

function deactivate(count){
	for(var i=1; i<count+1; i++){
			togglehide('n'+i);
			}			
	}