function chasall()
{
 tot = document.getElementById("cool");
 cif = document.getElementById("cifroh");
 seven = document.getElementById("n_seven");
 six = document.getElementById("n_six");
 one1 = document.getElementById("n_one1");
 one2 = document.getElementById("n_one2");
 three = document.getElementById("n_three");
 zero = document.getElementById("n_zero");
 if (seven.style.display == 'none' && six.style.display == 'none' && one1.style.display == 'none' && one2.style.display == 'none' && three.style.display == 'none' && zero.style.display == 'none')
 {
	 tot.style.display = '';
 	 cif.style.display = 'none';	
 };
}