function showhide(id1) {
	if(document.getElementById(id1).style.display=='none') {
		document.getElementById(id1).style.display='block';
	} else {
		document.getElementById(id1).style.display='none';
	}
}

function showdiv(id1) {
	if(document.getElementById(id1))
	document.getElementById(id1).style.display='block';
}

function hidediv(id1) {
	if(document.getElementById(id1))
	document.getElementById(id1).style.display='none';
}