function loadfade() {
	var from_opac = 1.0;
	var to_opac = 0.2;
	var dur = 0.3;
	
	runeffect(from_opac,to_opac,dur);
}

function loadfadesite() {
	var from_opac = 1.0;
	var to_opac = 0.2;
	var dur = 0.1;
	
	runeffect(from_opac,to_opac,dur);
}

function runeffect(from_opac,to_opac,dur) {
	if(document.getElementById('menu_hover_services')) {new Effect.Opacity('menu_hover_services', {duration: dur, from: from_opac, to: to_opac });}
	if(document.getElementById('menu_hover_products')) {new Effect.Opacity('menu_hover_products', {duration: dur, from: from_opac, to: to_opac });}
	if(document.getElementById('menu_hover_work')) {new Effect.Opacity('menu_hover_work', {duration: dur, from: from_opac, to: to_opac });}
	if(document.getElementById('menu_hover_contact')) {new Effect.Opacity('menu_hover_contact', {duration: dur, from: from_opac, to: to_opac });}
}