function show(fieldvalue) {
switch(fieldvalue)
{

case 0:
document.getElementById("about").style.display="block";
document.getElementById("programs").style.display="none";
document.getElementById("getinvolved").style.display="none";
document.getElementById("partners").style.display="none";
break;

case 1:
document.getElementById("about").style.display="none";
document.getElementById("programs").style.display="block";
document.getElementById("getinvolved").style.display="none";
document.getElementById("partners").style.display="none";
break;

case 2:
document.getElementById("about").style.display="none";
document.getElementById("programs").style.display="none";
document.getElementById("getinvolved").style.display="block";
document.getElementById("partners").style.display="none";
break;

case 3:
document.getElementById("about").style.display="none";
document.getElementById("programs").style.display="none";
document.getElementById("getinvolved").style.display="none";
document.getElementById("partners").style.display="none";
break;

case 4:
document.getElementById("about").style.display="none";
document.getElementById("programs").style.display="none";
document.getElementById("getinvolved").style.display="none";
document.getElementById("partners").style.display="block";
break;

}
}