var currHeight = 10;
var maxHeight = currHeight;
var menuObj = null;
function init() {
  if(document.getElementById('leftMenu')) {
    menuObj = document.getElementById('leftMenu');
    aTags = document.getElementById('leftMenu').getElementsByTagName('a');

    maxHeight = 0;
    for ( a = 0; a < aTags.length; a ++ )
    {
      if ( aTags [ a ].innerHTML.indexOf ( '<br />' ) != -1 )
        maxHeight += 41;
    }
    maxHeight += aTags.length * 21;
    maxHeight += 120;

    openMenu();
  }
}

function openMenu() {

  if(currHeight<maxHeight) {
    currHeight = currHeight + 10;
    menuObj .style.height = currHeight+"px";
    setTimeout('openMenu()',50)
  }

}