function switchcontent(block) {
  if (document.getElementById) {
    var obj = document.getElementById (block);
    var tmpl;
    if (obj && obj.className) {
	obj.className = (obj.className == 'objOpened') ? 'objClosed' : 'objOpened';
	tmpl = document.getElementById( block + "_content" );
	tmpl.className = tmpl.className;
    }
  }
  if (navigator.appName == 'Microsoft Internet Explorer' && document.documentElement && navigator.userAgent.indexOf ('Opera') == -1) parent.setScrollInIE();
  // return false;
}