function Search_google() {
	 changeDiv('google','block');
	 hideOne('gbg');
	 hideOne('ni');
}
function Search_gbg() {
	  changeDiv('gbg','block');
	  hideOne('google');
	  hideOne('ni');
}
function Search_ni() {
	  changeDiv('ni','block');
	  hideOne('gbg');
	  hideOne('google');
}
function changeDiv(the_div,the_change)
{
  var the_style = getStyleObject(the_div);
  if (the_style != false)
  {
    the_style.display = the_change;
  }
}
function hideOne(the_div)
{
  changeDiv(the_div,"none")
}

function getStyleObject(objectId) {
  if (document.getElementById && document.getElementById(objectId)) {
    return document.getElementById(objectId).style;
  } else if (document.all && document.all(objectId)) {
    return document.all(objectId).style;
  } else {
    return false;
  }
}

function checkEnter(e){
var characterCode

if(e && e.which){
e = e
characterCode = e.which
}
else{
e = event
characterCode = e.keyCode
}

if(characterCode == 13){
SS_Enter();
return false
}
else{
return true
}

}