function showNav(idname)

{
	document.getElementById(idname).style.backgroundPosition  =  "0px -37px";
	document.getElementById(idname).style.display  =  "block";
}

function hideNav(idname)

{
	document.getElementById(idname).style.backgroundPosition  =  "0px 0px";
}


function showSub(idname)

{
	document.getElementById(idname).style.background  =  "#718091";
}

function hideSub(idname)

{
	document.getElementById(idname).style.background  =  "#C28926";
}