function setSelectedPoke(pokeid)
{
	document.pokeform.poke_id.value = pokeid;
}

function clickPoke(pokeid, pokename, pokeimage, poke_url_root)
{
	setSelectedPoke(pokeid); 
	document.images.pic_poke.src=poke_url_root+"/"+pokeimage;
	document.getElementById("poke_name").innerHTML='"'+pokename+'"';
}

function resetRadioGroup(buttonGroup) {
   if (buttonGroup[0]) { // if the button group is an array (one button is not an array)
      for (var i=0; i<buttonGroup.length; i++) {
         buttonGroup[i].checked = false;          
      }
   } else {
      buttonGroup.checked = false; // if one button is checked 
   }
 
}  
 
function chgPage(page_num)
{
	document.frm_choose_poke.page_num.value=page_num;
	document.frm_choose_poke.frm_submit.value='chgpage';
	document.frm_choose_poke.submit();	
}
 
function isFriendsChecked( formName ) {
	_form = document.forms[formName];
	
	if( !_form )
		return false;
	
	for( ind = 0; ind < _form.length; ind ++ ) {
		_elem = _form[ind];

		if( _elem.type != 'checkbox' )
			continue;

		if(_elem.checked)
			return true;
	}
	return false;
}

function checkPokeFields() 
{ 
	if(!isFriendsChecked("pokeform")){
		alert( "Please select at least one friend first!" )
		return false;
	}
	document.pokeform.submit();
}