function switchFind(id) {
	obj=document.getElementById(id);
	if(obj.className!="open") {
		obj.className="open";

	} else {
		obj.className="";
	}
}

/*
for (var i=0; i<=4; i++) {
	function hideSelect() {
		if (el = document.getElementById('select_'+(i+1))) {
			if (el.style.visibility =='visible' || el.style.visibility =='') {
				el.style.visibility = 'hidden';
			} else {
				el.style.visibility = 'visible';
			}
			
		}
	}
}
*/

function hideSelect() {
		if (el = document.getElementById('preventivo')) {
		if (el.style.visibility =='visible' || el.style.visibility =='') {
			el.style.visibility = 'hidden';
		} else {
			el.style.visibility = 'visible';
		}
		
	}
}