var emails = new Array ();

function id(e){
return document.getElementById(e);
}                            
function preloadImages(urls)
{
 var img = new Array();
 for (var i=0; i<urls.length; i++)
 {
   img[img.length] = new Image();
  img[img.length - 1].src = urls[i];
 }
}
function showemails ( id, obj ){
   obj = document.getElementById ( obj );
   obj.style.cursor = 'arrow';
   obj.innerHTML = '<a href="mailto:'+emails [ id ]+'">'+emails [ id ]+'</a>';
}
function changeSrc ( obj, action ) {
   if ( action == 1 )
      obj . src = obj . src . replace ( /(\.gif)$/i, '_a.gif' );
   else
      obj . src = obj . src . replace ( /(_a\.gif)$/i, '.gif' );
}