if (document.images) {
	var btn_about_anneoff = new Image();
	btn_about_anneoff.src = "media/gfx/btn_about_anne.gif";
    btn_about_anneon = new Image();
    btn_about_anneon.src = "media/gfx/btn_about_anne_on.gif";
	
	var btn_about_pmoff = new Image();
    btn_about_pmoff.src = "media/gfx/btn_about_pm.gif";
    btn_about_pmon = new Image();
   	btn_about_pmon.src = "media/gfx/btn_about_pm_on.gif";
	
	var btn_support_1off = new Image();
    btn_support_1off.src = "media/gfx/btn_support_vol.gif";
    btn_support_1on = new Image();
    btn_support_1on.src = "media/gfx/btn_support_vol_on.gif";
	
	var btn_support_2off = new Image();
    btn_support_2off.src = "media/gfx/btn_support_don.gif";
    btn_support_2on = new Image();
    btn_support_2on.src = "media/gfx/btn_support_don_on.gif";
	
	var btn_linksoff = new Image();
    btn_linksoff.src = "media/gfx/btn_links.gif";
    btn_linkson = new Image();
    btn_linkson.src = "media/gfx/btn_links_on.gif";
	
}

function act(imgName,imgLayer) {
	if (document.layers) {
  	document.layers["menu"].layers[imgLayer].document.images[imgName].src = eval(imgName + 'on.src');
	}
	else if (document.images){
		document.images[imgName].src = eval(imgName + 'on.src');
	}
}

function inact(imgName,imgLayer) {
	if (document.layers) {		
    		document.layers["menu"].layers[imgLayer].document.images[imgName].src= eval(imgName + 'off.src');		
	}
	else if (document.images) {
		document.images[imgName].src = eval(imgName + 'off.src');
	}
}

/*if (document.images) {
		document.images[imgName].src = eval(imgName + 'off.src');
	}*/