function searchSales( cancella ) {
 nomecampoprov = "provincia";
 nomecampocom = "comune";

 if( ! cancella ) {
  nomecampoprov = "iprovincia";
  nomecampocom = "icomune";
 }

 var prov = document.getElementById( nomecampoprov ).value;

 if( prov != 0 ) {
  var url = '/sites/territorio/services/VariazioniColturali/funzioni/provcom.php?prov='+prov+'&catasto='+cancella;
  document.getElementById( nomecampocom ).setAttribute( "autocomplete", "Off" );
  Http.get({url: url,callback: showResponse,cache: Http.Cache.GetCache},prov);
 }
}

function showResponse( result ) {
 comuni = eval(result.responseText);
 obj.actb_keywords = comuni;
}

// Funzioni per la gestione dell'help

function addHelp(formid)
{
	var strID, objHelp;

	if (document.getElementById && document.appendChild && document.removeChild)
	{
		var objHelpform = document.getElementById(formid);

		var objAnchors = objHelpform.getElementsByTagName('a');
		for (var iCounter=0; iCounter<objAnchors.length; iCounter++)
		{
			if (objAnchors[iCounter].className != 'leave')
			{
				strID = getIDFromHref(objAnchors[iCounter].href);
				objHelp = document.getElementById(strID);
				objHelp.style.display = 'none';

				objAnchors[iCounter].onclick = function(event){return expandHelp(this, event);}
				objAnchors[iCounter].onkeypress = function(event){return expandHelp(this, event);}

				objAnchors[iCounter].parentNode.appendChild(objHelp);
			}
		}

		var objOldnode = document.getElementById('helpcontainer');

		objOldnode.parentNode.removeChild(objOldnode);

		// Release memory to prevent IE memory leak
		// Thanks to Mark Wubben <http://novemberborn.net/>
		// for highlightint the issue</span>

		objHelpform = null;
		objHelp = null;
		objAnchors = null;
	}
}

function getIDFromHref(strHref)
{
	var iOffset = strHref.indexOf('#') + 1;
	var iEnd = strHref.length;

	return strHref.substring(iOffset, iEnd);
}

function expandHelp(objAnchor, objEvent)
{
	var iKeyCode;

	if (objEvent && objEvent.type == 'keypress')
	{
		if (objEvent.keyCode)
			iKeyCode = objEvent.keyCode;
		else if (objEvent.which)
			iKeyCode = objEvent.which;

		if (iKeyCode != 13 && iKeyCode != 32)
			return true;
	}

	strID = getIDFromHref(objAnchor.href);
	objHelp = document.getElementById(strID);

	if (objHelp.style.display == 'none')
		objHelp.style.display = 'block';
	else
		objHelp.style.display = 'none';

	return false;
}
// Fine funzioni gestione help

/* Inizio gestione lunghezza textarea */
function textAreas_init() {
/*
	I initialize all textareas and send them to the addMaxLength method

	@return		null
	@see		addMaxLength()
*/
	if (!document.getElementsByTagName) return;

	objs = document.getElementsByTagName("textarea");
	for (oi=0;oi<objs.length;oi++) {
		thisObj = objs[oi];
		// this part enforces the maxLength
		addMaxLength(thisObj);
	}
}

function addMaxLength(thisObj){
/*
	I replace the onkeyup event of a textarea with a new action, forceMaxLength.  I also
	insert a sibling object that displays the current areas content length

	@param	thisObj		required	the object whose content length we are constraining
	@return	null
	@see	forceMaxLength()
*/
	maxlength=foundmax(thisObj);
	if (maxlength>0){
		thisObj.onkeyup = forceMaxLength;
		thisObj.onmouseout = forceMaxLength;
		thisObj.onchange = forceMaxLength;
		insertSpanSibling(thisObj,"Caratteri digitati "+pk_fixnewlines_textarea(thisObj.value).length + ' su ' + maxlength,'counttextarea' );
	}
}

function foundmax(thisObj){
	nomeclasse=thisObj.className;
	classarray=nomeclasse.split(" ");
	var class_num=0;
	trovato=false;
	while (class_num < classarray.length && !trovato){
	  indice=classarray[class_num].indexOf('maxlength');
	  if(indice>=0){
		maxlength=classarray[class_num].substring(indice+9);
		trovato=true;
	  }
		class_num+=1;
	}

	return maxlength;
}

function forceMaxLength(){
/*
	I replace an event on a textarea forcing the length of the textareas content to be within the maxLength constraing

	@return null
*/

	var maxLength = foundmax(this);
	var valore=pk_fixnewlines_textarea(this.value);
	if(valore.length > maxLength){
		//this.value = this.value.substring(0,maxLength);
		this.nextSibling.style.color="red";
		this.nextSibling.style.borderColor="red";
	}else{
		this.nextSibling.style.color="black";
		this.nextSibling.style.borderColor="black";
	}

	this.nextSibling.innerHTML = "Caratteri digitati "+valore.length + ' su ' + maxLength;

}


function insertSpanSibling(obj,msg,cssClass){
/*
	I add a span after the current object
	@param	obj			required				the object that is getting the sibling inserted after it
	@param	msg			required				the contents of the sibling
	@param	cssClass	not required			a class name for the new sibling
	@return null
*/


	var newSpan = document.createElement('span');
	//newSpan.style.border="1px solid black";
	newSpan.innerHTML = msg;
	obj = obj.nextSibling;
	//if(obj.readOnly) obj = obj.nextSibling;
	if(cssClass)
		newSpan.className = cssClass;

	obj.parentNode.insertBefore(newSpan,obj);
}

function pk_fixnewlines_textarea (val) {
  // Adjust newlines so can do correct character counting for MySQL. MySQL counts a newline as 2 characters.
  if (val.indexOf('\r\n')!=-1)
    ; // this is IE on windows. Puts both characters for a newline, just what MySQL does. No need to alter
  else if (val.indexOf('\r')!=-1)
    val = val.replace ( /\r/g, "\r\n" );        // this is IE on a Mac. Need to add the line feed
  else if (val.indexOf('\n')!=-1)
    val = val.replace ( /\n/g, "\r\n" );        // this is Firefox on any platform. Need to add carriage return
  else
    ;                                           // no newlines in the textarea
  return val;
}
/* Fine gestione lunghezza textarea */

/* Funzione per disabiltare textarea*/
function abilita(valore,idtext){
	if(valore==3)
		document.getElementById(idtext).disabled=false;
	else{
		document.getElementById(idtext).disabled=true;
		document.getElementById(idtext).value="";
	}
	return true;
}
function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

function setCheckedValue(radioObj, newValue) {
	if(!radioObj)
		return;
	var radioLength = radioObj.length;
	if(radioLength == undefined) {
		radioObj.checked = (radioObj.value == newValue.toString());
		return;
	}
	for(var i = 0; i < radioLength; i++) {
		radioObj[i].checked = false;
		if(radioObj[i].value == newValue.toString()) {
			radioObj[i].checked = true;
		}
	}
}