try {
  document.execCommand("BackgroundImageCache", false, true);
} catch(err) {}

window.onload = function() {
	$$('ul#nav li.nav_main').each(function(x) {
		x.onmouseover = function() { this.addClassName('hover'); }
		x.onmouseout = function() { this.removeClassName('hover'); }
	});
};
function change_tab(name, element) {
	for (var i = 0; i < 3; i++) { $$('#tabs a')[i].removeClassName('tab_selected'); }
	$$('#home_image div').each(function(x) { x.style.display = 'none'; });
	element.addClassName('tab_selected');
	$(name).style.display = 'inline';
}