function showHideSideSubNav(navItem) {
	if (document.getElementById(navItem).style.display=='none') {
		document.getElementById(navItem).style.display='block';
		return false;
	} else {
		document.getElementById(navItem).style.display='none';
		return false;
	}
}

function showSideSubNav(navItem) {
		document.getElementById(navItem).style.display='block';
		return false;
	} 

function hideSideSubNav(navItem) {
	document.getElementById(navItem).style.display='none';
	return false;
	}


function setSideNavFocus(sideNav) {
	sideNav=document.getElementById(sideNav)	;
	sideNav.focus();
}

function doNothing() {}
function removeDropFunc(ddlink, dd) {
	ddlink = document.getElementById(ddlink);
	dd = document.getElementById(dd);
	delete ddlink.onmouseover;
	delete ddlink.onmouseout;
	ddlink.onmouseover = null;
	ddlink.onmouseout = null;
	ddlink.onmouseover = doNothing();
	ddlink.onmouseout = doNothing();
}