// JavaScript Document

function HidePart(d) { document.getElementById(d).style.display = "none";  }
function ShowPart(d) { document.getElementById(d).style.display = "block"; }
function CheckboxChecked(b,d)
{
   if(b) { ShowPart(d); }
   else  { HidePart(d); }
}
function RadioChecked(t,f)
{
	var required = "co_name,contact,email,phone,attend_name1";
if(document.invite.member[1].checked == true)
{ required += ",co_address,co_city,co_state,co_zip"; }
document.invite.requiredfields.value = required;
   var flen = eval('document.'+t+'.'+f+'.length');
   for(var i=0; i<flen; i++)
   {
      var checked = eval('document.'+t+'.'+f+'['+i+'].checked');
      var value = eval('document.'+t+'.'+f+'['+i+'].value');
      if(checked) { ShowPart(value); }
      else        { HidePart(value); }
   }
}
function ListSelected(t,f)
{
   var flen = eval('document.'+t+'.'+f+'.length');
   for(var i=0; i<flen; i++)
   {
      var selected = eval('document.'+t+'.'+f+'['+i+'].selected');
      var value = eval('document.'+t+'.'+f+'['+i+'].value');
      if(selected) { ShowPart(value); }
      else         { HidePart(value); }
   }
}
function TextHasContent(t,f,d)
{
   var content = eval('document.'+t+'.'+f+'.value');
	if(content.length > 0) { ShowPart(d); }
   else                   { HidePart(d); }
}