function knypsa (a) {

		var knypsiuks = document.getElementById?document.getElementById(a): document.all.a;
		knypsiuks.src = 'images/knypsiuks_r.png';

	}

	function knypsa_restore (a) {

		var knypsiuks = document.getElementById?document.getElementById(a): document.all.a;
		knypsiuks.src = 'images/knypsiuks_d.png';

	}

	function knyps (a) {

		var knypsiuks = document.getElementById?document.getElementById(a): document.all.a;
		knypsiuks.src = 'images/knypsiuks_rw.png';

	}

	function knyps_restore (a) {

		var knypsiuks = document.getElementById?document.getElementById(a): document.all.a;
		knypsiuks.src = 'images/knypsiuks.png';

	}