function handleEnter( field, event )
{
      var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
      if( keyCode == 13 )
      {
            doSearch();
            return false;
      }
}
function doSearch()
{
      location.href='search.aspx?s=' + document.getElementById( 'ctl00_mh1_txtSearch' ).value;
}

function searchfocus( control )
{
    var box = document.getElementById( 'ctl00_mh1_txtSearch' );
    if( box )
    {
        if( box.value == "search by keyword" )
            box.value = "";
    }
}

function searchblur()
{
    var box = document.getElementById( 'ctl00_mh1_txtSearch' );
    if( box )
    {
        if( box.value == "" )
            box.value = "search by keyword";
    }
}

function toggleNav( index, imgsrc )
{
    var img = document.getElementById( "imgNavItem" + index );
    if( img )
        img.src = imgsrc;
}