var previous_id = "news";

function showHideInfo(id){
	var info = document.getElementById(id);
	
	if(info.style.display != 'block'){
		info.style.display = 'block';
		if(this.previous_id != "" && this.previous_id != id){
			var previous = document.getElementById(previous_id);
			previous.style.display = 'none';
		}
	} else {
		info.style.display = 'none';
	}
	this.previous_id = id;
}

function clearField(id){
	var field = document.getElementById(id);
	field.value = "";
}