/* Include this text on your site:
  
<script language="JavaScript" src="https://www.1-800-Volunteer.org/1800Vol/js/thirdparty.js"></script>
<script language="javascript" type="text/javascript">
	createSearchCustom('https://www.1-800-Volunteer.org','none',true,'none',true,'none',true,'city',0);
</script>

*/

/*function quickSearch(theForm) { 
  var zip = theForm.oppSearchZipCode.value;  
  var go = true; 
  if (zip == null || zip == "" || zip.length != 5) 
  { 
      alert("Please enter a valid zip code."); 
      theForm.oppSearchZipCode.focus(); 
      go = false; 
      return go; 
  } 
  if (zip.length == 5) 
  {
    objRegExp = new RegExp("[0-9]{5}");
    if(zip.search(objRegExp) == -1) { // If invalid
      alert("Please enter a valid zip code."); 
      theForm.oppSearchZipCode.focus(); 
      go = false; 
      return go; 
    }
  }
  if (go) 
  { 
    theForm.action="http://www.1-800-volunteer.org/1800Vol/FindOpportunityQuickSearch.do?oppSearchSocialIssue="+theForm.oppSearchSocialIssue.options[theForm.oppSearchSocialIssue.selectedIndex].value+"&oppSearchZipCode="+theForm.oppSearchZipCode.value+"&oppSearchRadius="+theForm.oppSearchRadius.options[theForm.oppSearchRadius.selectedIndex].value; 
    return true;
  } 
} */

function createSearch() {
  createSearchCustom('http://www.1-800-volunteer.org', 'none', true, 'none', true, 'none', true, 'city', 0);
}

var err_cityState = '\"City & State or Zip Code\" is a required field. Please enter a City & State or a Zip Code.';

function validateCityStateOrZipCode(form,showCityStateOrZipCode){
	if (document.getElementById('keyword') != null && document.getElementById('keyword').value != '' && !doCheckLuceneQuery(document.getElementById('keyword')) ){
		return false;
	}
	if(showCityStateOrZipCode && document.getElementById('cityState').value == ''){
		alert(err_cityState);
		return false;
	}
	return true;
}

function createSearchCustom(nrpSite, keyName, showKeyword, defaultKeywordValue, showCityStateOrZipCode, defaultCityStateOrZipCodeValue, showDistance, defaultDistanceValue, colorScheme){
  var actionToExecute = nrpSite + '/1800Vol';
  if(keyName != 'none')
  	actionToExecute += '/'+keyName;
  actionToExecute += '/FindOpportunityAdvancedSearch.do';
  var colorStyle = '';
  
  if(colorScheme == 0) { //Set Orange color
		 c_box = 'border: 2px solid #63BAFF; background: #FFE698 url(' + nrpSite + '/1800Vol/images/thirdparty/gradient-orange.gif) repeat-x center top;';
		 c_search1 = nrpSite + '/1800Vol/images/thirdparty/' + 'title-orange-glass.gif';
		 c_search2 = nrpSite + '/1800Vol/images/thirdparty/' + 'title-orange-find-volunteer.gif';
		 c_search3 = nrpSite + '/1800Vol/images/thirdparty/' + 'title-orange-opportunities.gif';
		 c_button = 'color: #174A6D; background: #CAE2F3;';
		 c_powered = 'color: #FF7E00; border-top: 1px solid #F3B531;';
		 
	} else if (colorScheme == 1) { //Set Blue color
		 c_box = 'border: 2px solid #4A74D3; background: #CFE7FF url(' + nrpSite + '/1800Vol/images/thirdparty/gradient-blue.gif) repeat-x center top';
		 c_search1 = nrpSite + '/1800Vol/images/thirdparty/' + 'title-blue-glass.gif';
		 c_search2 = nrpSite + '/1800Vol/images/thirdparty/' + 'title-blue-find-volunteer.gif';
		 c_search3 = nrpSite + '/1800Vol/images/thirdparty/' + 'title-blue-opportunities.gif';
		 c_button = 'color: #174A6D; background: #CAE2F3;';
		 c_powered = 'color: #0026B6; border-top: 1px solid #7CA0F3;';
		 
	} else if (colorScheme == 2) { //Set Green color
		 c_box = 'border: 2px solid #56CC00; background: #C7FF9E url(' + nrpSite + '/1800Vol/images/thirdparty/gradient-green.gif) repeat-x center top';
		 c_search1 = nrpSite + '/1800Vol/images/thirdparty/' + 'title-green-glass.gif';
		 c_search2 = nrpSite + '/1800Vol/images/thirdparty/' + 'title-green-find-volunteer.gif';
		 c_search3 = nrpSite + '/1800Vol/images/thirdparty/' + 'title-green-opportunities.gif';
		 c_button = 'color: #006633; background: #E7F8DE;';
		 c_powered = 'color: #398A00; border-top: 1px solid #81E440;';
		 
	} else if (colorScheme == 3) { //Set Red color
		 c_box = 'border: 2px solid #FF3A3A; background: #FFE4E4 url(' + nrpSite + '/1800Vol/images/thirdparty/gradient-red.gif) repeat-x center top';
		 c_search1 = nrpSite + '/1800Vol/images/thirdparty/' + 'title-red-glass.gif';
		 c_search2 = nrpSite + '/1800Vol/images/thirdparty/' + 'title-red-find-volunteer.gif';
		 c_search3 = nrpSite + '/1800Vol/images/thirdparty/' + 'title-red-opportunities.gif';
		 c_button = 'color: #CC0000; background: #F0D4D4;';
		 c_powered = 'color: #EB0000; border-top: 1px solid #FF7070;';
	}
		  
  document.write('<div style="margin-top: 10px; ' + c_box + '">');
  document.write('<form name="advancedSearchForm" id="advancedSearchForm" method="get" action="'+actionToExecute+'" target="_blank" style="display: inline; margin: 0;" onsubmit="return validateCityStateOrZipCode(document.getElementById(\'advancedSearchForm\'),'+showCityStateOrZipCode+');" >');
  document.write('<div style="margin-top: 3px; font-family: Arial, Verdana, Helvetica, sans-serif; font-size: 11px; font-weight: normal; color: #000000; text-align: left;">');
  document.write('<div style="padding: 4px; width:98%"><div style="float: left;">');
  document.write('<img src="' + c_search1 + '" alt="" border="0">');
  document.write('</div><div style="float: left;">');
  document.write('<img src="' + c_search2 + '" alt="Find Volunteer" border="0">');
  document.write('<img src="' + c_search3 + '" alt="Opportunities" border="0">');
  document.write('</div><div style="clear:both"></div></div>');
  
if(showKeyword){
	document.write('<div style="float: left; padding: 4px;"><label for="keyword">Keyword(s)</label><br>');
	  if(defaultKeywordValue != 'none')
	  	document.write('<input name="keyword" maxlength="55" size="19" value="'+defaultKeywordValue+'" id="keyword" type="text" style="font-family: Arial, Helvetica, sans-serif; font-size: 11px;">');
	  else	
	  	document.write('<input name="keyword" maxlength="55" size="19 value="" id="keyword" type="text" style="font-family: Arial, Helvetica, sans-serif; font-size: 11px;">');
  document.write('</div>');
} else {
   	 if(defaultKeywordValue != 'none')
		  document.write('<input name="keyword" id="keyword" value="'+defaultKeywordValue+'" type="hidden">');
} 

if(showCityStateOrZipCode){  
  document.write('<div style="float: left; padding: 4px;">');
	document.write('<label for="cityState">City &amp; State or Zip Code <span style="color: #FF0000;">*</span></label><br>');
	  if(defaultCityStateOrZipCodeValue != 'none')
	  	document.write('<input name="cityState" maxlength="45" size="20" tabindex="2" id="cityState" value="'+defaultCityStateOrZipCodeValue+'" type="text" style="font-family:Arial, Helvetica, sans-serif; font-size:11px;">');
	  else	
	  	document.write('<input name="cityState" maxlength="45" size="20" tabindex="2" id="cityState" value="" type="text" style="font-family:Arial, Helvetica, sans-serif; font-size:11px;">');
  document.write('</div>');
} else {
   	 if(defaultCityStateOrZipCodeValue != 'none')
		  document.write('<input name="cityState" id="cityState" value="'+defaultCityStateOrZipCodeValue+'" type="hidden">');
}  

if(showDistance){
  document.write('<div style="float: left; padding: 4px;">');
  document.write('<label for="distance">Distance</label><br>');
  document.write('<select name="distance" id="distance" tabindex="3" style="font-family: Arial, Verdana, Helvetica, sans-serif; font-size: 11px;">');

	  if(defaultDistanceValue == 'city')
		  document.write('<option value="city" selected>City</option>');
	  else	  
		  document.write('<option value="city">City</option>');
		  
	  if(defaultDistanceValue == 'county')
		  document.write('<option value="county" selected>County</option>');
	  else	  
		  document.write('<option value="county">County</option>');
		  
	  if(defaultDistanceValue == 'surroundingArea')
		  document.write('<option value="surroundingArea" selected>Surrounding area</option>');
	  else	  
		  document.write('<option value="surroundingArea">Surrounding area</option>');
		  
	  if(defaultDistanceValue == 'state')
		  document.write('<option value="state" selected>State</option>');
	  else	  
		  document.write('<option value="state">State</option>');
  document.write('</select>');
  document.write('</div>');
}	else {
	  document.write('<input name="distance" value="'+defaultDistanceValue+'" type="hidden">');
}  

  document.write('<div style="float: left; padding: 4px;">');
  document.write('&nbsp;<br>');
  document.write('<input type="submit" name="method" value="Search" class="button" style="font-family: Arial, Verdana, Helvetica, sans-serif; font-size: 11px; ' + c_button + '">');
  document.write('</div>');
  document.write('</div>');
  document.write('</form>');
  document.write('<div style="clear: both;"></div>'); 
  document.write('</div>');
}

// JavaScript Lucene Query Validator
// Tested: IE 6.0.2800 and Mozilla Firebird 0.7
// Special characters are + - && || ! ( ) { } [ ] ^ " ~ * ? : \
// Special words are (case-sensitive) AND NOT OR
// Makes wildcard queries case-insensitive if true.
var error_checkAllowedCharacters = 'Invalid Keyword! The allowed characters are a-z A-Z 0-9.  \\_ \\+ \\- () \\" \\& \\| \\[ \\] \\\ @ \\= \\# \\% \\$ \\\' \\, \\/ . Please try again.';
var error_checkAsterisk = 'Invalid Keyword! The wildcard (*) is not allowed. Please try again.';
var error_checkAmpersands = 'Invalid Keyword! Queries containing the special characters && must be in the form: term1 && term2. Please try again.';
var error_checkCaret = 'Invalid Keyword! The caret (^) character must be preceded by alphanumeric characters and followed by numbers. Please try again.';
var error_checkSquiggle = 'Invalid Keyword! The tilde (~) character must be preceded by alphanumeric characters and followed by numbers. Please try again.';
var error_checkExclamationMark = 'Invalid Keyword! Queries containing the special character ! must be in the form: term1 ! term2. Please try again.';
var error_checkQuestionMark = 'Invalid Keyword! The question mark (?) character must be preceded by at least one alphanumeric character. Please try again.';
var error_checkParentheses1 = 'Invalid Keyword! Parentheses must be closed. Please try again.';
var error_checkParentheses2 = 'Invalid Keyword! Parentheses must contain at least one character. Please try again.';
var error_checkPlusMinus = 'Invalid Keyword! \\\'+\\\' and \\\'-\\\' modifiers must be followed by at least one alphanumeric character. Please try again.';
var error_checkANDORNOT = 'Invalid Keyword!  Queries containing AND/OR must be in the form: term1 AND|OR|AND NOT term2 Please try again.';
var error_checkQuotes1 = 'Invalid Keyword! Please close all quote (\") marks.';
var error_checkQuotes2 = 'Invalid Keyword! Quotes must contain at least one character. Please try again.';
var error_checkColon = 'Invalid Keyword! Field declarations (:) must be preceded by at least one alphanumeric character and followed by at least one alphanumeric character. Please try again.';
  var error_checkComma = 'Invalid Keyword! Queries containing the comma characters (,) must be in the form: term1, term2. Please try again.';
var wildcardCaseInsensitive = true;

// Mutator method for wildcardCaseInsensitive.
// @param Should wildcard queries be case-insensitive?
function setWildcardCaseInsensitive(bool)
{
  wildcardCaseInsensitive = bool;
}

// Should the user be prompted with an alert box if validation fails?
var alertUser = true;

function setAlertUser(bool)
{
  alertUser = bool;
}

// validates a lucene query.
// @param Form field that contains the query
function doCheckLuceneQuery(queryField)
{
  return doCheckLuceneQueryValue(queryField.value)
}

// validates a lucene query.
// @param query string
function doCheckLuceneQueryValue(query)
{
  query = trim(query);
  if(query != null && query.length > 0)
  {
    query = removeEscapes(query);
    
    // check for allowed characters
    if(!checkAllowedCharacters(query)) return false;
    
    // check * is used properly
    if(!checkAsterisk(query)) return false;
    
    // check for && usage
    if(!checkAmpersands(query)) return false;
    
    // check ^ is used properly 
    if(!checkCaret(query)) return false;
    
    // check ~ is used properly
    if(!checkSquiggle(query)) return false;
    
    // check ! is used properly 
    if(!checkExclamationMark(query)) return false;
    
    // check , is used properly 
    if(!checkCommaMark(query)) return false;
    
    // check question marks are used properly
    if(!checkQuestionMark(query)) return false;
    
    // check parentheses are used properly
    if(!checkParentheses(query)) return false;
    
    // check '+' and '-' are used properly      
    if(!checkPlusMinus(query)) return false;
    
    // check AND, OR and NOT are used properly
    if(!checkANDORNOT(query)) return false;    
    
    // check that quote marks are closed
    if(!checkQuotes(query)) return false;
    
    // check ':' is used properly
    if(!checkColon(query)) return false;
    
    if(wildcardCaseInsensitive)
    {
      if(query.indexOf("*") != -1)
      {
        var i = query.indexOf(':');
        if(i == -1)
        {
          query.value = query.toLowerCase();
        }
        else // found a wildcard field search
        {
          query.value = query.substring(0, i) + query.substring(i).toLowerCase();
        }
      }
    }
    return true;
  }
}

// remove the escape character and the character immediately following it
function removeEscapes(query)
{
  return query.replace(/\\./g, "");
}
function checkAllowedCharacters(query)
{
  //matches = query.match(/[^a-zA-Z0-9_+\-:.()\"*?&|!{}\[\]\^~\\@#\/$%'=, ]/);
  matches = query.match(/[^a-zA-Z0-9_+\-.()\"&|{}\[\]@#\/$%'=, ]/);
  if(matches != null && matches.length > 0)
  {
    if(alertUser) alert(error_checkAllowedCharacters)
    return false;
  }
  return true;
}

function checkAsterisk(query)
{
  //matches = query.match(/^[\*]*$|[\s]\*|^\*[^\s]/);
  if(query.indexOf("*") > -1)
  {
   // if(alertUser) alert("Invalid Keyword! The wildcard (*) character must be preceded by at least one alphanumeric character. Please try again.")
    if(alertUser) alert(error_checkAsterisk)
    return false;
  }
  return true;
}

function checkAmpersands(query)
{
  // NB: doesn't handle term1 && term2 && term3 in Firebird 0.7
  matches = query.match(/[&]{2}/);
  if(matches != null && matches.length > 0)
  {
    matches = query.match(/^([a-zA-Z0-9_+\-:.()\"*?&|!{}\[\]\^~\\@#\/$%'=]+( && )?[a-zA-Z0-9_+\-:.()\"*?|!{}\[\]\^~\\@#\/$%'=]+[ ]*)+$/); // note missing & in pattern
    if(matches == null)
    {
      if(alertUser) alert(error_checkAmpersands)
      return false;
    }
  }
  return true;
}

function checkCaret(query)
{
//  matches = query.match(/^[^\^]*$|^([a-zA-Z0-9_+\-:.()\"*?&|!{}\[\]\~\\@#\/]+(\^[\d]+)?[ ]*)+$/); // note missing ^ in pattern
  matches = query.match(/^(\^)|[^\\]\^([^\s]*[^0-9.]+)|[^\\]\^$/);
  if(matches != null)
  {
    if(alertUser) alert(error_checkCaret)
    return false;
  }
  return true;
}

function checkSquiggle(query)
{
  //matches = query.match(/^[^~]*$|^([a-zA-Z0-9_+\-:.()\"*?&|!{}\[\]\^\\@#\/]+(~[\d.]+|[^\\]\\~)?[ ]*)+$/); // note missing ~ in pattern
  matches = query.match(/[^\\]~[^\s]*[^0-9\s]+/);
  if(matches != null)
  {
    if(alertUser) alert(error_checkSquiggle)
    return false;
  }    
  return true;
}

function checkExclamationMark(query)
{
  // foo! is not a query, but !foo is. hmmmm...
  // NB: doesn't handle term1 ! term2 ! term3 or term1 !term2
  matches = query.match(/^[^!]*$|^([a-zA-Z0-9_+\-:.()\"*?&|!{}\[\]\^~\\@#\/$%'=]+( ! )?[a-zA-Z0-9_+\-:.()\"*?&|!{}\[\]\^~\\@#\/$%'=]+[ ]*)+$/);
  if(matches == null || matches.length == 0)
  {
    if(alertUser) alert(error_checkExclamationMark)
    return false;
  }
  
  
  return true;
}

function checkCommaMark(query)
{
  matches = query.match(/(^,)|(,$)/);
  
  if( matches != null && matches.length > 0 )
  {
    if(alertUser) alert(error_checkComma)
    	return false;
  }
  return true;
}

function checkQuestionMark(query)
{
  matches = query.match(/^(\?)|([^a-zA-Z0-9_+\-:.()\"*?&|!{}\[\]\^~\\@#\/$%'=]\?+)/);
  if(matches != null && matches.length > 0)
  {
      if(alertUser) alert(error_checkQuestionMark)
    return false;
  }
  return true;
}

function checkParentheses(query)
{
  var hasLeft = false;
  var hasRight = false;
  matchLeft = query.match(/[(]/g);
  if(matchLeft != null) hasLeft = true
  matchRight = query.match(/[)]/g);
  if(matchRight != null) hasRight = true;
  
  if(hasLeft || hasRight)
  {
    if(hasLeft && !hasRight || hasRight && !hasLeft)
    {
        if(alertUser) alert(error_checkParentheses1)
        return false;
    }
    else
    {
      var number = matchLeft.length + matchRight.length;
      if((number % 2) > 0 || matchLeft.length != matchRight.length)
      {
        if(alertUser) alert(error_checkParentheses1)
        return false;
      }    
    }
    matches = query.match(/\(\)/);
    if(matches != null)
    {
      if(alertUser) alert(error_checkParentheses2)
      return false;    
    }
  }  
  return true;    
}

function checkPlusMinus(query)
{
  matches = query.match(/^[^\n+\-]*$|^([+-]?[a-zA-Z0-9_:.()\"*?&|!{}\[\]\^~\\@#\/$%'=]+[ ]?)+$/);
  if(matches == null || matches.length == 0)
  {
    if(alertUser) alert(error_checkPlusMinus);
    return false;
  }
  return true;
}

function checkANDORNOT(query)
{
  matches = query.match(/AND|OR|NOT/);
  if(matches != null && matches.length > 0)
  {
    matches = query.match(/^([a-zA-Z0-9_+\-:.()\"*?&|!{}\[\]\^~\\@\/#$%'=]+\s*((AND )|(OR )|(AND NOT )|(NOT ))?[a-zA-Z0-9_+\-:.()\"*?&|!{}\[\]\^~\\@\/#$%'=]+[ ]*)+$/);       
    if(matches == null || matches.length == 0)
    {
      if(alertUser) alert(error_checkANDORNOT)
      return false;
    }
    
    // its difficult to distinguish AND/OR/... from the usual [a-zA-Z] because they're...words!
    matches = query.match(/^((AND )|(OR )|(AND NOT ))|((AND)|(OR)|(AND NOT )|(NOT))[ ]*$/)
    if(matches != null && matches.length > 0)
    {
      if(alertUser) alert(error_checkANDORNOT)
      return false;
    }
  }
  return true;
}

function checkQuotes(query)
{
  matches = query.match(/\"/g);
  if(matches != null && matches.length > 0)
  {
    var number = matches.length;
    if((number % 2) > 0)
    {
      if(alertUser) alert(error_checkQuotes1);
      return false;
    }
    matches = query.match(/""/);
    if(matches != null)
    {
      if(alertUser) alert(error_checkQuotes2)
      return false;    
    }    
  }
  return true;
}

function checkColon(query)
{
  matches = query.match(/[^\\\s]:[\s]|[^\\\s]:$|[\s][^\\]?:|^[^\\\s]?:/);
  if(matches != null)
  {
    if(alertUser) alert(error_checkColon)
    return false;
  }
  return true;
}
function ltrim(sValue)
{
   while(1)
   {
      if(sValue.substring(0, 1) != " ")
         break;
      sValue = sValue.substring(1, sValue.length);
   }
   return sValue;
}

function rtrim(sValue)
{
   while(1)
   {
      if(sValue.substring(sValue.length - 1, sValue.length) != " ")
         break;
      sValue = sValue.substring(0, sValue.length - 1);
   }
   return sValue;
}
function trim(sValue)
{
   var sTemp = ltrim(sValue);
   return rtrim(sTemp);
}