function overM1(id) {
	if (document.getElementById('subs' + id)){
		document.getElementById('subs' + id).style.display = 'block'
	}
	document.getElementById('arr' + id).style.background = 'url(/img/m1/arr-a.gif) no-repeat 18px center';
	document.getElementById('sens' + id).className = 'sensor over';
	widSubs = document.getElementById('subs' + id).offsetWidth;
	widArr = document.getElementById('arr' + id).offsetWidth;
	if (widSubs < widArr) {
		document.getElementById('subs' + id).style.width = widArr + "px"
	}
}

function outM1(id) {
	if (document.getElementById('subs' + id)){
		document.getElementById('subs' + id).style.display = 'none';
	}
	document.getElementById('arr' + id).style.background = 'url(/img/m1/arr.gif) no-repeat 18px center';
	document.getElementById('sens' + id).className = 'sensor';
}