var nrNav = 0;
var oldnrNav = 0;
var maxbuttonsNav = 10;

var nav = new Array(maxbuttonsNav);
var navOver = new Array(maxbuttonsNav);
var navClicked = new Array(maxbuttonsNav);
var navClickedOver = new Array(maxbuttonsNav);
var navVisited = new Array();

for (k=0; k < maxbuttonsNav; k++) {
  nav[k] = new Image(); 
  nav[k].src = "files/layout/images/navigation/oswald/oswald_0"+k+".gif";
  
  navOver[k] = new Image(); 
  navOver[k].src = "files/layout/images/navigation/oswald/oswald_over_0"+k+".gif";
  
  navClicked[k] = new Image(); 
  navClicked[k].src = "files/layout/images/navigation/oswald/oswald_over_0"+k+".gif";
  
  navClickedOver[k] = new Image(); 
  navClickedOver[k].src = "files/layout/images/navigation/oswald/oswald_over_0"+k+".gif";
  
  navVisited[k] = new Image(); 
  navVisited[k].src = "files/layout/images/navigation/oswald/oswald_0"+k+".gif";
}

function rolloverNav(nrNav) 
{ 
	document['navigation'+nrNav].src = navOver[nrNav].src;
}

function rolloutNav(nrNav) 
{ 
	document['navigation'+nrNav].src = nav[nrNav].src;
}

/*function rollover(nr) 
{ 
	if (nr!=oldnr) {
		document['button'+nr].src = navOver[nr].src;
	}
	else {
		document['button'+nr].src = navClickedOver[nr].src;
	}
}

function rollout(nr) 
{ 
	if (nr!=oldnr) {
		document['button'+nr].src = nav[nr].src;
	}
	else {
		document['button'+nr].src = navClicked[nr].src;
	}
}*/

/*
function clickvisitb(nr) {
	nav[oldnr].src = navVisited[oldnr].src;
	document['button'+oldnr].src = nav[oldnr].src;
	document['button'+nr].src = navClickedOver[nr].src;
	oldnr = nr;	
}*/

/*function clickbutt(nr) {
  	document['button'+oldnr].src = nav[oldnr].src;
  	document['button'+nr].src = navClickedOver[nr].src;
	oldnr = nr;
}*/