var myMenu;
var myMenus;
function menuInit(i) {
    for (f=1;f<=i;f++)
    {
        document.getElementById('m' + f).style.display = 'none';
        document.getElementById('pm' + f).src = '/images/plus.gif';
    }
    myMenus = i;
}
function menuExpand (i) {
    if (myMenu == i) {
		document.getElementById('p' + i).src = '/images/plus.gif';
		document.getElementById(i).style.display = 'none';
		myMenu = '';
	}
        else {
		document.getElementById('p' + i).src = '/images/minus.gif';
		document.getElementById(i).style.display = 'block';
		myMenu = i;
	}
}
function menuCollapse() {
    for (f=1;f<=myMenus;f++) {
        document.getElementById('m' + f).style.display = 'none';
        document.getElementById('pm' + f).src = '/images/plus.gif';
    }
}