function check_form(form)
{
  return_boolean = true
  obj = eval(form)
  for(i=0;i<obj.length;i++) {
    field_name = obj.elements[i].name;
    if (field_name.indexOf("_ck") != -1) {
      if (obj.elements[i].value == "") {
        obj.elements[i].style.backgroundColor = "red";
        return_boolean = false
      } else {
        obj.elements[i].style.backgroundColor = "#CCCCCC";	
      }	
    }
  } 
  return return_boolean;
}

function swap_boxes(nimi)
{
  with (document.lomake) {
    for (var i=0; i < elements.length; i++) {
        if (elements[i].type == 'checkbox' && elements[i].name.indexOf(nimi) != -1) {
          if (elements[i].checked == false) elements[i].checked = true;
          else elements[i].checked = false;
        }  
    }
  }
}

function PopUp( url, name, width, height, scrollbars ) { 
   var top  = "10"; 
   var left = "10"; 
 
   if( scrollbars == null ) scrollbars = "0"; 
 
   str  = ""; 
   str += "resizable=1,titlebar=0,menubar=0,"; 
   str += "toolbar=0,location=0,directories=0,status=0,"; 
   str += "scrollbars=" + scrollbars + ","; 
   str += "width=" + width + ","; 
   str += "height=" + height + ","; 
   str += "top=" + top + ","; 
   str += "left=" + left; 
 
   window.open( url, name, str ); 
} 

function add_smiley(smileycode) {
  var smiley_return = smileycode + " ";
  window.document.lomake.teksti.value += smiley_return;
}

function email(end,begin) {
  document.write(begin + '@' + end);
}