function ChangeMenuClass(xItem) {
xCurrentMenuItemClass = xItem.className

if (xCurrentMenuItemClass == "item")
    xItem.className = "item_selected"
else
    xItem.className = "item"
}

function ShowHideDiv(obj) {
var el = document.getElementById(obj);

if (el.style.display != 'none')
    el.style.display = 'none';
else
    el.style.display = '';
}     

function highlight(obj,color){
    if (document.all||document.getElementById)
        obj.style.backgroundColor=color
}
function ExpandOrCollapse(o,p,m){
	if (typeof(o.style)=='object'){
		if (o.style.display=='block') {
			p.style.display='inline';
			m.style.display='none';
			o.style.display='none';
		} else {
			if (o.style.display=='none' || o.style.display=='') {
				p.style.display='none';
				m.style.display='inline';
				o.style.display='block';
			}
		}
	}
}