// copyright © 2003 Ivo Truxa, truXoft

function fadeIt(obj,val,delay) {
 obj.filters.alpha.opacity = 100;
 setTimeout("document."+obj.name+".filters.alpha.opacity = "+val,1+delay*1000);
}

function slctAll(){
  for (var i=0; i < document.forms[0].length; i++)  
    if (document.forms[0].elements[i].name.search('x') != -1)
      document.forms[0].elements[i].checked = document.forms[0].chkAll.checked;
}

var allOn = false;

function showOpt(id){
  if (id==999) allOn = !allOn;
  for (var i=0; i <= 20; i++) {
    cur = "opt"+id;
    tmp = "opt"+i;
    if (id==999) {
         eval(tmp).style['display'] = (allOn) ? 'block' : 'none';
    }
    else if (id == i)
         eval(cur).style['display'] = (eval(cur).style['display'] == 'none') ? 'block' : 'none';
    else eval(tmp).style['display'] = 'none';
  }
  return false;
}