// === fuegt ein Toggle-Icon ein === 
function insertToggleIcon(topic)
{
    document.write("<img id=\"id_img_showmore_"+topic+"\" src=\"./images/icon_showmore_fff.gif\" title=\"&ouml;ffnen\" class=\"clickicon\" ");
    document.write("  onclick=\"if (document.getElementById('id_img_showmore_"+topic+"').src.search(/icon_showmore_fff.gif/) != -1)") ;
    document.write("{document.getElementById('id_img_showmore_"+topic+"').src = './images/icon_showless_fff.gif'; document.getElementById('id_img_showmore_"+topic+"').title='schlie&szlig;en'; new Effect.BlindDown('id_i"+topic+"');} ");
    document.write("else");
    document.write("{document.getElementById('id_img_showmore_"+topic+"').src = './images/icon_showmore_fff.gif'; document.getElementById('id_img_showmore_"+topic+"').title='&ouml;ffnen'; new Effect.Highlight('id_i"+topic+"'); new Effect.BlindUp('id_i"+topic+"');}\"");
    document.write("/>");	
}