var onpicture=new Array();
var offpicture=new Array();
var click=null;
onpicture[0]=new Image();
onpicture[0].src="images/buttons/yachten-1.gif";
onpicture[1]=new Image();
onpicture[1].src="images/buttons/kontakt-1.gif";
onpicture[2]=new Image();
onpicture[2].src="images/buttons/wir-1.gif";
offpicture[0]=new Image();
offpicture[0].src="images/buttons/yachten-0.gif";
offpicture[1]=new Image();
offpicture[1].src="images/buttons/kontakt-0.gif";
offpicture[2]=new Image();
offpicture[2].src="images/buttons/wir-0.gif";
function switchon(pictoswitch)
{
 dd="p"+pictoswitch;
 document.images[dd].src=onpicture[pictoswitch].src;
}
function switchoff(pictoswitch)
{
 if (pictoswitch!=click)
 {
  dd="p"+pictoswitch; 
  document.images[dd].src=offpicture[pictoswitch].src;
 }
}
function clicked(z)
{
 click=z;
 for (i=0; i<=2; i++)
 {
  df="p"+i;
  document.images[df].src=offpicture[i].src;
 }
 dd="p"+z;
 document.images[dd].src=onpicture[z].src;
}