var clk=0;
function click(classpassed,page)
{
	document.getElementById(page).className='menuitem';
	document.getElementById(classpassed).className='selectedmenuitem';
	clk=1;
}
function above(classpassed,page)
{
	if (classpassed!=page) document.getElementById(classpassed).className='overmenuitem';
}
function leave(classpassed,page)
{
	if (classpassed==page || clk==1) document.getElementById(classpassed).className='selectedmenuitem';
	else document.getElementById(classpassed).className='menuitem';
	clk=2;
}