function showfield(field) {
	document.getElementById(field).style.display='';
	}

function hidefield(field) {
	document.getElementById(field).style.display='none';
	}

function artikrai(question, link) {
	var is_confirmed=confirm(question);
	if (is_confirmed) { location.replace(link); }
	}

function hideallfields(field) {
	hidefield('p1');
	hidefield('p2');
	hidefield('p3');
	hidefield('p4');
	hidefield('p5');
	hidefield('p6');
	}