function setFocus1(i)
{
 selectLayer1(i);
}
function selectLayer1(i)
{
 switch(i)
 {
 case 1:
 document.getElementById("eur").style.display="block";
 document.getElementById("chf").style.display="none";
 document.getElementById("eur1").style.display="block";
 document.getElementById("chf1").style.display="none";
 
 break;
 case 2:
 document.getElementById("eur").style.display="none";
 document.getElementById("chf").style.display="block";
 document.getElementById("eur1").style.display="none";
 document.getElementById("chf1").style.display="block";
 break;
 }
}