function over_tur(id){
	var el = document.getElementById(id);
	if (el.className == "tur_ag"){ 
		el.className = 'tur_ag_over';
		}
	else{
		el.className = "tur_ag";
		}
}

function over_aut(id){
	var el = document.getElementById(id);
	if (el.className == "aut_pr"){ 
		el.className = 'aut_pr_over';
		}
	else{
		el.className = "aut_pr";
		}
}