var hide = null;
function showProgramLinks() {
	clearTimeout(hide);
	document.getElementById('btn_programs').className='menu_btn_over'; 
	document.getElementById("program_links").style.visibility = "visible";
}

function hideProgramLinks(time) {
	
	hide = setTimeout('document.getElementById("program_links").style.visibility = "hidden"; document.getElementById("btn_programs").className="menu_btn"; ', time); 
}