var t_id = new Array();
var id_count = 0;

function toggle_example(name) {
	var i;
	var found;
	
	found = 0;
	for (i = 0; i < id_count; i++) {
		if (t_id[i][0] == name) {
			if (t_id[i][1] == 0) { // hidden -> show
				document.getElementById(name).style.visibility='visible';
				document.getElementById(name).style.display='block';
				t_id[i][1] = 1
			} else {
				t_id[i][0] = 0
				document.getElementById(name).style.visibility='hidden';
				document.getElementById(name).style.display='none';
			}
			found = 1;
			break;
		}
	}
	if (found == 0) {
		t_id[id_count++]=new Array(name, 1);
		document.getElementById(name).style.visibility='visible';
		document.getElementById(name).style.display='block';
	}
}