//Add a bookmark
function Bookmark()
{
    netscape="Mozilla User's hit CTRL+D to add a bookmark to this site."
    if (navigator.appName=='Microsoft Internet Explorer')
    {
        window.external.AddFavorite(location.href, window.name);
    }
    else if (navigator.appName=='Netscape')
    {
        alert(netscape);
    }
}

function over( id ) {
	var i_s = $( id ).src.split('.');
	var f = i_s.length-2;
	var regex = /_ov$/;

	if( i_s[f].match( regex ) ) {
		i_s[f] = i_s[f].replace( regex, '' );
	} else {
		i_s[f] = i_s[f] + '_ov';
	}
	
	var n_i_s = i_s.join( '.' );
	
	try {
		$( id ).src = n_i_s;
	} catch( error ) {
		// Error
	}
}