// JavaScript Document

function loadGraphics(){
	window.document.menubutton = new Image(35, 70);
	window.document.menubutton.src = 'images/button_proto.png';
	window.document.menubuttonover = new Image(35, 70);
	window.document.menubuttonover.src = 'images/button_over_proto.png';
	window.document.wir_hint = new Image();
	window.document.wir_hint.src = 'images/ueber_uns_hint.png';
	window.document.portfolio_hint = new Image();
	window.document.portfolio_hint.src = 'images/portfolio_hint.png';
	window.document.leistungen_hint = new Image();
	window.document.leistungen_hint.src = 'images/leistungen_hint.png';
	window.document.kontakt_hint = new Image();
	window.document.kontakt_hint.src = 'images/kontakt_hint.png';
	window.document.agb_hint = new Image();
	window.document.agb_hint.src = 'images/agb_hint.png';
	window.document.impressum_hint = new Image();
	window.document.impressum_hint.src = 'images/impressum_hint.png';
}
		



function switchDown(b_id){
	window.document.getElementById(b_id).src = window.document.menubuttonover.src;
}

function switchUp(b_id){
	window.document.getElementById(b_id).src = window.document.menubutton.src;
}

function showHint(hint){
	window.document.getElementById('menuhint').src = window.document[hint+'_hint'].src;
	window.document.getElementById('menuhint').style.visibility = 'visible';
}

function hideHint(hint){
	window.document.getElementById('menuhint').style.visibility = 'hidden';	
}