readmorebuttonup       = new Image();
readmorebuttonup.src   = "/wp-content/themes/think/images/leftcol-readmore-off.jpg" ;
readmorebuttondown     = new Image() ;
readmorebuttondown.src = "/wp-content/themes/think/images/leftcol-readmore-on.jpg" ;
learnmorebuttonup       = new Image();
learnmorebuttonup.src   = "/wp-content/themes/think/images/learn-more-off.jpg" ;
learnmorebuttondown     = new Image() ;
learnmorebuttondown.src = "/wp-content/themes/think/images/learn-more-on.jpg" ;

function buttondown( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( "readmorebuttondown.src" );
    }
}

function buttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( "readmorebuttonup.src" );
    }
}

function learnbuttondown( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( "learnmorebuttondown.src" );
    }
}

function learnbuttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( "learnmorebuttonup.src" );
    }
}