<!-- <![CDATA[
function changeCharSize_indx(s){
	// create form
	var f = document.createElement('form');
	f.id = 'MyInfo';
	f.method="post";
	f.action=location.pathname + location.search;
	document.body.appendChild(f);
	// create input_hidden
	var m = document.createElement('input');
	m.type = 'hidden';
	m.name = 'mode';
	m.value = 'size';
	f.appendChild(m);
	// create input_hidden
	var c = document.createElement('input');
	c.type = 'hidden';
	c.name = 'char_size';
	c.value = s;
	f.appendChild(c);
	// action
	var fn = document.getElementById('MyInfo');
	fn.submit();
}
// ]]> -->