function navhi(i){
	document.getElementById(i).style.color="#8ab9f5";
	if (i != 'n8'){
	document.getElementById(i+"2").style.color="#8ab9f5";
	}
}

function navlo(i){
	document.getElementById(i).style.color="#ffffff";
	if (i != 'n8'){
	document.getElementById(i+"2").style.color="#ffffff";
	}
}

var k = 1;
function sanitaer(j){
	k = k+j;
	if (k > 11) {k = 1};
	if (k <= 0) {k = 11};
	document.images['sanitaer'].src="img/pic_sanitaer_"+k+".jpg";
}