function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function setUrl(box, href)
{  
    curr_href = location.href;
    var broken_href=curr_href.split("/");
    
    destination = box.options[box.selectedIndex].value;
    if (destination) {
      broken_href.splice(3, 0, destination);
    }
    else
    {        
      broken_href.splice(3, 1);
    }
    new_href = broken_href.join("/");
    location.href = new_href;
}

function confirm_delete(cb, phrase, title)
{
  var rc = true; 
  if (cb.checked == 1) 
  {
      rc = confirmAction(phrase, title, '');
      if (rc == true)
      {
          document.getElementById('ad_delete').value = 'y';
      }
  }
  else
  {
      document.getElementById('ad_delete').value = 'n';
  }

  return rc;    
}

function confirmAction(phrase, tit, ex) {

  var msg = phrase + ": " + tit + " " + ex + " ?";
  if (confirm(msg)) {
      return true;
  } else {
      return false;
  }
}

function showField(self, which)
{
	theDiv = document.getElementById(which);
	if(self.value == 'yes') {
		theDiv.style.display="";		
	} else {
		theDiv.style.display="none";
	}
}

function applyDisplay(name1, name2, self)
{
  if (self.checked)
  {
      document.getElementById(name1).style.display = '';
      if (document.getElementById(name2)) { document.getElementById(name2).style.textDecoration = 'line-through'; }
  } else {
      document.getElementById(name1).style.display = 'none';
      if (document.getElementById(name2)) { document.getElementById(name2).style.textDecoration = 'none'; }
  }
}

function showSection(which) {
	theDiv = document.getElementById(which);
	if(theDiv.style.display == "none") {
		theDiv.style.display="block";		
	} else {
		theDiv.style.display="none";
	}

}

function showTable(cb, which) {
	theDiv = document.getElementById(which);
	if(cb.checked == 1) {
		theDiv.style.display="block";		
	} else {
		theDiv.style.display="none";
	}

}

function trim(str, chars) {
    return ltrim(rtrim(str, chars), chars);
}

function ltrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function rtrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}

function checkInput(form, id) {
    var val = trim(document.getElementById(id).value, ' ');
    if (val.length < 3)
    {
        alert('Please enter a more descriptive title for your community');
        return false;
    }
    return true;
}

/*
Copyright 2005, 4word systems
All rights reserved.

This software may not be reproduced or distributed in any form without the express 
written consent of 4word systems or it's designee.

Revision 1.1:  20050729 Added underscore to list of valid characters
*/


function isValidEmail(email, required) {

    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        }
        return true;
    }
    if (email.length==0) {  
        if (required) {
            return false;
        }
        return true;
    }        
    
    if (! allValidChars(email)) {  // check to make sure all characters are valid        
        return false;
    }
    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
        return false;
    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
        return false;
    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
        return false;
    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
	return false;
    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
	return false;
    }    
    
    return true;
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}