if (document.images) {
	buttonm1up = new Image();
	buttonm1up.src = 'images/navside1.png';
	buttonm1over = new Image();
	buttonm1over.src = 'images/navside1act.png';
	buttonm2up = new Image();
	buttonm2up.src = 'images/navside2.png';
	buttonm2over = new Image();
	buttonm2over.src = 'images/navside2act.png';
	buttonm3up = new Image();
	buttonm3up.src = 'images/navside3.png';
	buttonm3over = new Image();
	buttonm3over.src = 'images/navside3act.png';
	buttonm4up = new Image();
	buttonm4up.src = 'images/navside4.png';
	buttonm4over = new Image();
	buttonm4over.src = 'images/navside4act.png';
	buttonm5up = new Image();
	buttonm5up.src = 'images/navside5.png';
	buttonm5over = new Image();
	buttonm5over.src = 'images/navside5act.png';
	buttonm6up = new Image();
	buttonm6up.src = 'images/navside6.png';
	buttonm6over = new Image();
	buttonm6over.src = 'images/navside6act.png';
	buttonm7up = new Image();
	buttonm7up.src = 'images/navside7.png';
	buttonm7over = new Image();
	buttonm7over.src = 'images/navside7act.png';
	buttonm8up = new Image();
	buttonm8up.src = 'images/navside8.png';
	buttonm8over = new Image();
	buttonm8over.src = 'images/navside8act.png';
	buttonm9up = new Image();
	buttonm9up.src = 'images/navside9.png';
	buttonm9over = new Image();
	buttonm9over.src = 'images/navside9act.png';
	buttonm10up = new Image();
	buttonm10up.src = 'images/navside10.png';
	buttonm10over = new Image();
	buttonm10over.src = 'images/navside10act.png';
	buttonm11up = new Image();
	buttonm11up.src = 'images/navside11.png';
	buttonm11over = new Image();
	buttonm11over.src = 'images/navside11act.png';
	buttonm12up = new Image();
	buttonm12up.src = 'images/navside12.png';
	buttonm12over = new Image();
	buttonm12over.src = 'images/navside12act.png';
	buttonm13up = new Image();
	buttonm13up.src = 'images/navside13.png';
	buttonm13over = new Image();
	buttonm13over.src = 'images/navside13act.png';
	buttonm14up = new Image();
	buttonm14up.src = 'images/navside14.png';
	buttonm14over = new Image();
	buttonm14over.src = 'images/navside14act.png';
}

function mouseup(imagename) {
	if (document.images) {
		document[imagename].src = eval(imagename+'up.src');
	}
}

function mouseover(imagename) {
	if (document.images) {
		document[imagename].src = eval(imagename+'over.src');
	}
}