function showBox(tName){
	if(document.getElementById(tName)) document.getElementById(tName).style.display = 'block';
	for(i=1;i<=100;i++){
		if(('T_'+i)!=tName && document.getElementById('T_'+i)){
			closeBox('T_'+i);
		}
	}
}

function closeBoxes(){
	for(i=1;i<=100;i++){
		if(document.getElementById('T_'+i)) closeBox('T_'+i);
	}
}

function closeBox(tName){
	document.getElementById(tName).style.display = 'none';
}