function show_div(div_id) {
	document.getElementById(div_id).style.display = 'block';
}
function hide_div(div_id) {
	document.getElementById(div_id).style.display = 'none';
}

function showWithdraw(record) {
	var y ='withdraw_form'+record[record.selectedIndex].value;
	var tmp = new String;
	for (var i=0; i < record.length; i++) {
		tmp='withdraw_form'+record[i].value;
		document.getElementById(tmp).style.display = 'none';
	}
	document.getElementById(y).style.display = 'block';

}