var percorso_002_file_xml = 'ricerca_ajax/ricerca_ajax_xml.php';
var urlpage;

//=======================================================================
//search suggestion functions
//=======================================================================
function suggestOver(div_value) {
	div_value.className = 'suggest_link_over';
}
function suggestOut(div_value) {
	div_value.className = 'suggest_link';
}
function setSearch(value,field) {
	document.getElementById('research_field_'+field).value = value;
	document.getElementById('search_suggest_'+field).innerHTML = '';
	makeResearch(researchParameters());
}
function suggestParameters(field)
{
  var returnstring = '';
  returnstring +="research_field="+document.getElementById('research_field_'+field).value;
  returnstring +="&research_type="+field;
  returnstring +="&mode=suggest";
  return returnstring;
}
function makeSuggest(PostedStuff,field)
{
  Nest1 = function(){ ProgressBar('progress_div'); };
  Nest2 = function()
  {
      var xmldoc = http_request.responseXML;
//          alert(http_request.responseText);
//        document.getElementById('search_suggest').innerHTML = http_request.responseText;
      var responseString = '';
//       document.getElementById('search_optbox').options.length = 0;
//       document.getElementById('search_optbox').style.visibility = 'hidden';
      if(xmldoc.getElementsByTagName("error")[0])
      {
        var ResponseElements = xmldoc.getElementsByTagName("error");
        for(var i=0; i < ResponseElements.length;i++)
        {
          responseString += ResponseElements[i].firstChild.data;
        }
        document.getElementById('search_suggest_'+field).innerHTML = responseString;
      }
      else
      {
        var ResponseElements = xmldoc.getElementsByTagName("result");
        var ResponseFrequencies = xmldoc.getElementsByTagName("freq");
        for(var i=0; i < ResponseElements.length;i++)
        {
//           document.getElementById('search_optbox').style.visibility = 'visible';
          responseString +='<div  class="suggest_link" onmouseover="javascript:suggestOver(this);" onMouseOut="javascript:suggestOut(this);" ';
          if(ResponseElements[i].firstChild.data !='XXX' )
          {
            responseString += ' onClick="javascript:change_page(-1000);setSearch(\''+ResponseElements[i].firstChild.data+'\',\'' + field + '\');">';
            responseString += ResponseElements[i].firstChild.data;
          }
          else
          {
            responseString += ' onClick="javascript:setSearch(\'\',\'' + field + '\');">';
            responseString +=  '(ignora questo campo)';
          }
//????????????????????????
           if(ResponseFrequencies[i].firstChild.data> 0 ) responseString += '('+ResponseFrequencies[i].firstChild.data+')';
          responseString +='<\/div>'
//           document.getElementById('search_optbox').options[i] = new Option(ResponseElements[i].firstChild.data,ResponseElements[i].firstChild.data);
        }
        document.getElementById('search_suggest_'+field).innerHTML = responseString;
      }
  };
  ajax_post(percorso_002_file_xml , PostedStuff,  Nest1 , Nest2);
}
//=======================================================================
//research functions
//=======================================================================

function change_page(amount)
{
  var newpage= amount;
  if(newpage<0) newpage=0;
  document.getElementById('research_field_pagina').value = newpage;
  makeResearch(researchParameters());
}

function researchParameters()
{
  var returnstring = '';
  returnstring +="rf_tipologia="+document.getElementById('research_field_tipologia').value;
  returnstring +="&rf_titolo="+document.getElementById('research_field_titolo').value;
  returnstring +="&rf_cp="+document.getElementById('research_field_cp').value;
  returnstring +="&rf_prov="+document.getElementById('research_field_prov').value;
  returnstring +="&rf_ateco="+document.getElementById('research_field_ateco').value;
  returnstring +="&rf_pagina="+document.getElementById('research_field_pagina').value;
  returnstring +="&rf_all="+document.getElementById('research_field_all').value;
  returnstring +="&mode=research";
//   alert(returnstring);
  return returnstring;
}

function makeResearch(PostedStuff)
{
  document.getElementById('sr_risultati').style.display = 'block';
  document.getElementById('tag_cloud').style.display = 'none';
  Nest1 = function(){ ProgressBar('progress_div'); };
  Nest2 = function()
  {
      var xmldoc = http_request.responseXML;
//          alert(http_request.responseText);
//        document.getElementById('research_results').innerHTML = http_request.responseText;
      var responseString = '';
	  var responseString2 = '';
//       document.getElementById('search_optbox').options.length = 0;
//       document.getElementById('search_optbox').style.visibility = 'hidden';
      
	  if(xmldoc.getElementsByTagName("error_ente")[0])
      {
        var ResponseElements = xmldoc.getElementsByTagName("error_ente");
        for(var i=0; i < ResponseElements.length;i++)
        {
          responseString2 += ResponseElements[i].firstChild.data;
        }
        document.getElementById('entiview').innerHTML = '';
      }
	  
	  if(xmldoc.getElementsByTagName("error")[0])
      {
        var ResponseElements = xmldoc.getElementsByTagName("error");
        for(var i=0; i < ResponseElements.length;i++)
        {
          responseString += ResponseElements[i].firstChild.data;
        }
        document.getElementById('research_results').innerHTML = responseString;
		document.getElementById('nav_pages').innerHTML = '';
		document.getElementById('title_risultati').innerHTML = "Risultati";
      }
	  
      else
      {
          if(xmldoc.getElementsByTagName('results_number'))
        {
          var num_res_obj=xmldoc.getElementsByTagName('results_number');
		  if(num_res_obj[0].firstChild.data == 0 ) 
		  { 
		  document.getElementById('nav_pages').innerHTML = '';
		  document.getElementById('title_risultati').innerHTML = "Risultati";
		  }
		  else
		  {
          var min_res = (document.getElementById('research_field_pagina').value*10)+1;
          var max_res = Math.min((document.getElementById('research_field_pagina').value*10)+10,num_res_obj[0].firstChild.data);
          document.getElementById('title_risultati').innerHTML = "Risultati ("+min_res+"&mdash;"+max_res+" di ";
          document.getElementById('title_risultati').innerHTML += num_res_obj[0].firstChild.data+")";
          var min_page = 1;
          var cur_page = document.getElementById('research_field_pagina').value;
          var max_page = Math.round(0.499 + ( num_res_obj[0].firstChild.data /10));
          if(max_page<1) max_page=1;
		  
	          if(cur_page-0-min_page > 5) min_page= cur_page-0-5;
	          if(max_page-0-cur_page > 5) max_page= cur_page-0+5;
	          document.getElementById('nav_pages').innerHTML ='Pagina: ';
	          for(var j=min_page; j<= max_page; j++)
	          {
	            if( (j-0-1)==cur_page) document.getElementById('nav_pages').innerHTML += '<a style="color:black;">'+j+'<\/a> ';
	            else document.getElementById('nav_pages').innerHTML += '<a href="javascript:change_page('+(j-0-1)+');">'+j+'</a> ';
	          }
		  }
        }
        var ResponseDates = xmldoc.getElementsByTagName("data_aggiornamento");
        var ResponseTitles = xmldoc.getElementsByTagName("titolo");
        var ResponseIds = xmldoc.getElementsByTagName("id");
        for(var i=0; i < ResponseDates.length;i++)
        {
//           document.getElementById('search_optbox').style.visibility = 'visible';
          responseString +='<li><a href="index.php?id_pagina='+urlpage+'&id_ui='+ResponseIds[i].firstChild.data+'">'
          responseString += ResponseDates[i].firstChild.data+': '+ResponseTitles[i].firstChild.data+'';
          responseString +='<\/a><\/li>';
        }
        document.getElementById('research_results').innerHTML = responseString;
		
		if(xmldoc.getElementsByTagName("error_ente")[0]) document.getElementById('entiview').innerHTML = '';
		else 
		{
			var ResEnteId = xmldoc.getElementsByTagName("idente");
	        var ResEnteNome = xmldoc.getElementsByTagName("nomeente");
	        var ResPersonaNome = xmldoc.getElementsByTagName("nomepersona");
			var ResPersonaCarica = xmldoc.getElementsByTagName("caricapersona");
			responseString2 = '';
	        for(var j=0; j < ResPersonaCarica.length; j++)
	        {
			if (ResPersonaCarica[j].firstChild.data =='0') {
			  responseString2 +='<h5><a href="index.php?id_pagina=27&id_ente='+ResEnteId[j].firstChild.data+'">';
	          responseString2 += ResEnteNome[j].firstChild.data+'';
	          responseString2 +='<\/a><\/h5><br />';
			  }
			else
			{
	          responseString2 +='<h5><a href="index.php?id_pagina=27&id_ente='+ResEnteId[j].firstChild.data+'">';
	          responseString2 += ResPersonaNome[j].firstChild.data+' - '+ResPersonaCarica[j].firstChild.data+' '+ResEnteNome[j].firstChild.data+'';
	          responseString2 +='<\/a><\/h5><br />';
	        }
			}
	        document.getElementById('entiview').innerHTML = responseString2;
		}
      }
  };
  ajax_post(percorso_002_file_xml , PostedStuff,  Nest1 , Nest2);
}