function showHide(id){
	if(document.getElementById(id).style.visibility == 'visible'){
		document.getElementById(id).style.visibility = 'hidden';
		document.getElementById(id).style.display = 'none';
	}else{
		document.getElementById(id).style.visibility = 'visible';
		document.getElementById(id).style.display = 'block';
	}
}