function focusChangeOnCalImageHotel(ev,elem) {
var code = 0;
var a = ev.keyCode;
var b = ev.which;
if(a) {
code = a;
} else {
code = b;
}
 if(code == 9) {
ytObj.hide();
if(elem == "RIcon" || elem == "codate") {
document.getElementById("NumberOfRooms_Numbers").focus();
return false;
}
 else {
return true;
}
 }
}


function showAgeBlock(val,f){
  var f=document.forms[""+f];
  if(val<1){
        window.document.getElementById('cha1').style.display='none';
        window.document.getElementById('cha2').style.display='none';
        window.document.getElementById('cha3').style.display='none';
        //f.age1.value='';
        //f.age2.value='';
  }
  if(val == 1){
        window.document.getElementById('cha1').style.display='block';
        window.document.getElementById('cha2').style.display='none';
        window.document.getElementById('cha3').style.display='none';
        //f.age2.value='';
  }
  if(val == 2){
        window.document.getElementById('cha1').style.display='block';
        window.document.getElementById('cha2').style.display='block';
        window.document.getElementById('cha3').style.display='none';
  }
  
  if(val == 3){
        window.document.getElementById('cha1').style.display='block';
        window.document.getElementById('cha2').style.display='block';
        window.document.getElementById('cha3').style.display='block';
  }
}