function setNavBarButton(number, src, ovr, href){
	var navbar = window.top.navbar;
	navbar.button_src[number] = src;
	navbar.button_ovr[number] = ovr;
	navbar.button_link[number] = href;
}

function fileName(str){
	return str.substring(str.lastIndexOf("/")+1);
}

function clearNavBar(){
	var navbar = window.top.navbar;
	for (cntr = 2; cntr < 12; cntr++){
		navbar.button_src[cntr] = "../buttons/transpar.gif";
		navbar.button_ovr[cntr] = "../buttons/transpar.gif";
		navbar.button_link[cntr] = "";
		navbar.document.images.item(cntr).width = 0;
		navbar.document.images.item(cntr).height = 0;
	}
}

function loadNavBar(){
	var navbar = window.top.navbar;
	for (var cntr = 2; cntr < 12; cntr++){
		navbar.document.images.item(cntr).src = navbar.button_src[cntr];
		navbar.document.links.item(cntr).href = navbar.button_link[cntr];
		if (navbar.button_src[cntr] != "../buttons/transpar.gif"){
			navbar.document.images.item(cntr).width = 180;
			navbar.document.images.item(cntr).height = 25;
		}
	}
}