// preload images:
if (document.images) {
btn_index = new Image(118,31); btn_index.src = "images/btn_index.gif";
btn_about = new Image(118,31); btn_about.src = "images/btn_about.gif";
btn_find = new Image(118,31); btn_find.src = "images/btn_find.gif";
btn_what = new Image(118,31); btn_what.src = "images/btn_what.gif";
btn_framing = new Image(118,31); btn_framing.src = "images/btn_framing.gif";
btn_mirrors = new Image(118,31); btn_mirrors.src = "images/btn_mirrors.gif";
btn_gallery = new Image(118,31); btn_gallery.src = "images/btn_gallery.gif";
btn_index_h = new Image(118,31); btn_index_h.src = "images/btn_index_h.gif";
btn_about_h = new Image(118,31); btn_about_h.src = "images/btn_about_h.gif";
btn_find_h = new Image(118,31); btn_find_h.src = "images/btn_find_h.gif";
btn_what_h = new Image(118,31); btn_what_h.src = "images/btn_what_h.gif";
btn_framing_h = new Image(118,31); btn_framing_h.src = "images/btn_framing_h.gif";
btn_mirrors_h = new Image(118,31); btn_mirrors_h.src = "images/btn_mirrors_h.gif";
btn_gallery_h = new Image(118,31); btn_gallery_h.src = "images/btn_gallery_h.gif";
}
function btn_over(btn_name) {
if (document.images) {
 document.images["btn_" + btn_name].src = eval("btn_" + btn_name + "_h.src");
}
}

function btn_out(btn_name) {
if (document.images) {
 document.images["btn_" + btn_name].src = eval("btn_" + btn_name + ".src");
}
}

function nada() {
// empty function
}

function btn_html(btn_name, btn_alt) {
if (btn_name == page_ref) {
	document.write("<img src='images/btn_" + btn_name + "_h.gif' width='118' height='31' alt='" + btn_alt + "' border='0'>");
} else {
	if (btn_name == "find") {
    	document.write("<a href='http://www.multimap.com/maps/?hloc=GB|HP15 6LJ#t=l&map=51.66507,-0.73516|15|4&loc=GB:51.66507:-0.73516:16|HP15 6LJ|HP15 6LJ ' target='_blank' ");
	} else {
    	document.write("<a href='" + btn_name + ".shtml' ");
	}
    	document.write("onMouseOver='btn_over(\"" + btn_name + "\")'");
    	document.write("onMouseOut='btn_out(\"" + btn_name + "\")'>");
    	document.write("<img src='images/btn_" + btn_name + ".gif' width='118' height='31' alt='" + btn_alt + "' border='0' name='btn_" + btn_name + "'></a>");
}
}

function nada() {
// empty function
}