function mOver(num) {
 if (document.images) {
		document.images['button'+num].src = eval('on'+num+'.src');
  }
}
function mOut(num) {
	if (document.images) {
		document.images['button'+num].src = eval('off'+num+'.src');
  }
}
if (document.images) {
	off1 = new Image(182, 18); off1.src = "/images/b-about.gif";
	off2 = new Image(187, 18); off2.src = "/images/b-project.gif";
	off3 = new Image(108, 18); off3.src = "/images/b-more.gif";
	off4 = new Image(90, 18); off4.src = "/images/b-resources.gif";
	off5 = new Image(83, 18); off5.src = "/images/b-contact.gif";

	on1 = new Image(182, 18); on1.src = "/images/b-about_on.gif";
	on2 = new Image(187, 18); on2.src = "/images/b-project_on.gif";
	on3 = new Image(108, 18); on3.src = "/images/b-more_on.gif";
	on4 = new Image(90, 18); on4.src = "/images/b-resources_on.gif";
	on5 = new Image(83, 18); on5.src = "/images/b-contact_on.gif";
}