function navprodon() {
	document.getElementById('navprod').style.visibility='visible';
	document.getElementById('nav_ourproducts').src='images/nav_ourproducts_f2.gif';
}

function navprodoff() {
	document.getElementById('navprod').style.visibility='hidden';
	document.getElementById('nav_ourproducts').src='images/nav_ourproducts_f1.gif';
}

window.onclick="hideall()"; 
window.onresize="hideall()";