function chgUsers(gid){
	var pars = "module=iw_forms&func=chgUsers&gid=" + gid;
        showinfo('chgInfo');
	var myAjax = new Ajax.Request("ajax.php", 
	{
		method: 'get', 
		parameters: pars, 
		onComplete: chgUsers_response,
		onFailure: chgUsers_failure
	});
}

function chgUsers_failure(){
	showinfo('chgInfo');
	Element.update('validator', '').innerHTML;
}

function chgUsers_response(req){
	if (req.status != 200 ) { 
		pnshowajaxerror(req.responseText);
		return;
	}
	var json = pndejsonize(req.responseText);
	showinfo('chgInfo');
	Element.update('validator', json.content).innerHTML;
}

/**
 * Show a bus while ajax process
 * called twice: 
 * #1: Show the icon
 * #2: restore normal display
 *
 *@return none;
 *@author Albert Pérez Monfort
 */
function showinfo(info)
{
	if(!Element.hasClassName(info, 'pn-hide')) {
		Element.update(info, ' ');
		Element.addClassName(info, 'pn-hide');
	} else {
		Element.update(info, '<img src="images/ajax/circle-ball-dark-antialiased.gif">');
		Element.removeClassName(info, 'pn-hide');
	}
}  


function modifyField(fieldId,char){
	if(char == 'collapse'){
		showfieldinfo(fieldId, expandcollapse);
	}else{
		showfieldinfo(fieldId, modifyingfield);
	}
	var pars = "module=iw_forms&func=modifyField&fndid=" + fieldId + "&char=" + char;
	var myAjax = new Ajax.Request("ajax.php", 
	{
		method: 'get', 
		parameters: pars, 
		onComplete: modifyField_response,
		onFailure: modifyField_failure
	});
}

function modifyField_response(req){
	if (req.status != 200 ) { 
		pnshowajaxerror(req.responseText);
		return;
	}
	var json = pndejsonize(req.responseText);
	changeContent(json.fndid);
}

function modifyField_failure(){

}

function changeContent(fndid){
	var pars = "module=iw_forms&func=changeContent&fndid=" + fndid;
	var myAjax = new Ajax.Request("ajax.php", 
	{
		method: 'get', 
		parameters: pars, 
		onComplete: changeContent_response,
		onFailure: changeContent_failure
	});
}

function changeContent_response(req){
	if (req.status != 200 ) { 
		pnshowajaxerror(req.responseText);
		return;
	}
	var json = pndejsonize(req.responseText);
	Element.update('field_'+json.fndid, json.content).innerHTML;

}

function changeContent_failure(){

}

function showfieldinfo(fndid, infotext){
    if(fndid) {
        var info = 'fieldinfo_' + fndid;
        if(!Element.hasClassName(info, 'pn-hide')) {
            Element.update(info, '&nbsp;');
            Element.addClassName(info, 'pn-hide');
        } else {
            Element.update(info, infotext);
            Element.removeClassName(info, 'pn-hide');
        }
    } else {
        $A(document.getElementsByClassName('fieldinfo')).each(function(info){
            Element.update(info, '&nbsp;');
            Element.addClassName(info, 'pn-hide');
        });
    }
}

function send(){
	document.conf.submit();
}

function closeForm(fid){
	var pars = "module=iw_forms&func=closeForm&fid=" + fid;
	var myAjax = new Ajax.Request("ajax.php", 
	{
		method: 'get', 
		parameters: pars, 
		onComplete: closeForm_response,
		onFailure: closeForm_failure
	});
}

function closeForm_response(req){
	if (req.status != 200 ) { 
		pnshowajaxerror(req.responseText);
		return;
	}
	var json = pndejsonize(req.responseText);
	alert(json.text);
	Element.update('option_'+json.fid, json.content).innerHTML;
}

function closeForm_failure(){
	
}

function deleteNote(fmid){
	resposta=confirm(deleteUserNote);
	if(resposta){
		var pars = "module=iw_forms&func=deleteNote&fmid=" + fmid;
		var myAjax = new Ajax.Request("ajax.php", 
		{
			method: 'get', 
			parameters: pars, 
			onComplete: deleteNote_response,
			onFailure: deleteNote_failure
		});
	}
}

function deleteNote_response(req){
	if (req.status != 200 ) { 
		pnshowajaxerror(req.responseText);
		return;
	}

	var json = pndejsonize(req.responseText);

	$('note_' + json.fmid).toggle()
	reloadFlaggedBlock();
}

function deleteNote_failure(){
	
}

function markNote(fmid){
	var pars = "module=iw_forms&func=markNote&fmid=" + fmid;
	var myAjax = new Ajax.Request("ajax.php", 
	{
		method: 'get', 
		parameters: pars, 
		onComplete: markNote_response,
		onFailure: markNote_failure
	});
}

function markNote_response(req){
	if (req.status != 200 ) { 
		pnshowajaxerror(req.responseText);
		return;
	}

	var json = pndejsonize(req.responseText);

	if(json.mark == 'marked'){
		$(json.fmid).src="images/icons/small/flag.gif";
	}else{
		$(json.fmid).src="modules/iw_forms/pnimages/none.gif";
	}
	Element.update('note_options_'+json.fmid, json.contentOptions).innerHTML;
	reloadFlaggedBlock();
}

function markNote_failure(){
	
}

function setCompleted(fmid){
	var pars = "module=iw_forms&func=setCompleted&fmid=" + fmid;
	var myAjax = new Ajax.Request("ajax.php", 
	{
		method: 'get', 
		parameters: pars, 
		onComplete: setCompleted_response,
		onFailure: setCompleted_failure
	});
}

function setCompleted_response(req){
	if (req.status != 200 ) { 
		pnshowajaxerror(req.responseText);
		return;
	}

	var json = pndejsonize(req.responseText);

	$('note_'+json.fmid).style.backgroundColor=json.color;
	Element.update('note_options_'+json.fmid, json.contentOptions).innerHTML;
}

function setCompleted_failure(){
	
}

function validateNote(fmid){
	var pars = "module=iw_forms&func=validateNote&fmid=" + fmid;
	var myAjax = new Ajax.Request("ajax.php", 
	{
		method: 'get', 
		parameters: pars, 
		onComplete: validateNote_response,
		onFailure: validateNote_failure
	});
}

function validateNote_response(req){
	if (req.status != 200 ) { 
		pnshowajaxerror(req.responseText);
		return;
	}

	var json = pndejsonize(req.responseText);

	$('note_'+json.fmid).style.backgroundColor=json.color;
	Element.update('note_options_'+json.fmid, json.contentOptions).innerHTML;
}

function validateNote_failure(){
	
}

function editNoteManageContent(fmid,toDo){
	var pars = "module=iw_forms&func=editNoteManageContent&fmid=" + fmid + "&do=" + toDo;
	var myAjax = new Ajax.Request("ajax.php", 
	{
		method: 'get', 
		parameters: pars, 
		onComplete: editNoteManageContent_response,
		onFailure: editNoteManageContent_failure
	});
}

function editNoteManageContent_response(req){
	if (req.status != 200 ) { 
		pnshowajaxerror(req.responseText);
		return;
	}

	var json = pndejsonize(req.responseText);

	if(json.toDo == 'observations'){
		Element.update('note_observations_'+json.fmid, json.content).innerHTML;
	}
	if(json.toDo == 'renote'){
		Element.update('note_renote_'+json.fmid, json.content).innerHTML;
	}
}

function editNoteManageContent_failure(){
	
}

function submitValue(toDo,fmid,checked){
	if(toDo == 'observations'){
		var value = $('submitValueFormO_' + fmid).observations.value;
	}
	if(toDo == 'renote'){
		var value = $('submitValueFormR_' + fmid).renote.value;
	}

	value = replaceChars('?', "|int|", value);
	value = replaceChars('&', "|amp|", value);
	value = replaceChars('#', "|par|", value);
	value = replaceChars('%', "|per|", value);

	var pars = "module=iw_forms&func=submitValue&fmid=" + fmid + "&value=" + value + "&do=" + toDo + "&checked=" + checked;
	var myAjax = new Ajax.Request("ajax.php", 
	{
		method: 'get', 
		parameters: pars, 
		onComplete: submitValue_response,
		onFailure: submitValue_failure
	});
}


function replaceChars(pattern, newstring, entry) {
    temp = "" + entry; // temporary holder
   
    while (temp.indexOf(pattern)>-1) {
      pos= temp.indexOf(pattern);
      temp = "" + (temp.substring(0, pos) + newstring +
      temp.substring((pos + pattern.length), temp.length));
    }
    return temp;
}

function submitValue_response(req){
	if (req.status != 200 ) { 
		pnshowajaxerror(req.responseText);
		return;
	}

	var json = pndejsonize(req.responseText);

	if(json.toDo == 'observations'){
		Element.update('note_observations_'+json.fmid, json.content).innerHTML;
	}

	if(json.toDo == 'renote'){
		Element.update('note_renote_'+json.fmid, json.content).innerHTML;
	}
}

function submitValue_failure(){
	
}

function modifyForm(formId,char){
	showFormInfo(formId, modifyingform);
	var pars = "module=iw_forms&func=modifyForm&fid=" + formId + "&char=" + char;
	var myAjax = new Ajax.Request("ajax.php", 
	{
		method: 'get', 
		parameters: pars, 
		onComplete: modifyForm_response,
		onFailure: modifyForm_failure
	});
}

function modifyForm_response(req){
	if (req.status != 200 ) { 
		pnshowajaxerror(req.responseText);
		return;
	}
	var json = pndejsonize(req.responseText);
	changeFormContent(json.fid);
}

function modifyForm_failure(){

}

function changeFormContent(fid){
	var pars = "module=iw_forms&func=changeFormContent&fid=" + fid;
	var myAjax = new Ajax.Request("ajax.php", 
	{
		method: 'get', 
		parameters: pars, 
		onComplete: changeFormContent_response,
		onFailure: changeFormContent_failure
	});
}

function changeFormContent_response(req){
	if (req.status != 200) { 
		pnshowajaxerror(req.responseText);
		return;
	}
	var json = pndejsonize(req.responseText);
	Element.update('form_'+json.fid, json.content).innerHTML;
}

function changeFormContent_failure(){

}

function showFormInfo(fid, infotext){
    if(fid) {
        var info = 'forminfo_' + fid;
        if(!Element.hasClassName(info, 'pn-hide')) {
            Element.update(info, '&nbsp;');
            Element.addClassName(info, 'pn-hide');
        } else {
            Element.update(info, infotext);
            Element.removeClassName(info, 'pn-hide');
        }
    } else {
        $A(document.getElementsByClassName('forminfo')).each(function(info){
            Element.update(info, '&nbsp;');
            Element.addClassName(info, 'pn-hide');
        });
    }
}

function deleteUserNote(fmid){
	resposta=confirm(deleteUserNoteText);
	if(resposta){
		var pars = "module=iw_forms&func=deleteUserNote&fmid=" + fmid;
		var myAjax = new Ajax.Request("ajax.php", 
		{
			method: 'get', 
			parameters: pars, 
			onComplete: deleteUserNote_response,
			onFailure: deleteUserNote_failure
		});
	}
}

function deleteUserNote_response(req){
	if (req.status != 200 ) { 
		pnshowajaxerror(req.responseText);
		return;
	}

	var json = pndejsonize(req.responseText);

	$('note_' + json.fmid).toggle()
}

function deleteUserNote_failure(){
	
}

function changeFilter(fid,filter){
	if(filter != 0){
		Element.update('filterValues', '<img src="images/ajax/circle-ball-dark-antialiased.gif">');
		var pars = "module=iw_forms&func=changeFilter&fid=" + fid + "&filter=" + filter;
		var myAjax = new Ajax.Request("ajax.php", 
		{
			method: 'get', 
			parameters: pars, 
			onComplete: changeFilter_response,
			onFailure: changeFilter_failure
		});
	}else{
		sendChange(1);
	}
}

function changeFilter_response(req){
	if (req.status != 200) { 
		pnshowajaxerror(req.responseText);
		return;
	}
	var json = pndejsonize(req.responseText);
	Element.update('allNotesContent', json.content).innerHTML;
	Element.update('filterValues', json.filterContent).innerHTML;
	Element.update('itemsPerPage', '<div style="clear:both;"></div>').innerHTML;
}

function changeFilter_failure(){

}

function deleteForm(fid){
	response = confirm(deleteFormText);
	if(confirm){
		var pars = "module=iw_forms&func=deleteForm&fid=" + fid;
		var myAjax = new Ajax.Request("ajax.php", 
		{
			method: 'get', 
			parameters: pars, 
			onComplete: deleteForm_response,
			onFailure: deleteForm_failure
		});
	}
}

function deleteForm_response(req){
	if (req.status != 200) { 
		pnshowajaxerror(req.responseText);
		return;
	}
	var json = pndejsonize(req.responseText);

	$('formRow_' + json.fid).toggle();
}

function deleteForm_failure(){

}

function createField(fieldType,fid){
	if(fieldType == 0){
		alert(chooseFiledType);
		exit;
	}
	Element.update('newFormField', '<img src="images/ajax/circle-ball-dark-antialiased.gif">');
	var pars = "module=iw_forms&func=createField&fid=" + fid + "&fieldType=" + fieldType;
	var myAjax = new Ajax.Request("ajax.php", 
	{
		method: 'get', 
		parameters: pars, 
		onComplete: createField_response,
		onFailure: createField_failure
	});
}

function createField_response(req){
	if (req.status != 200) { 
		pnshowajaxerror(req.responseText);
		return;
	}
	var json = pndejsonize(req.responseText);
	Element.update('newFormField', json.content).innerHTML;
}

function createField_failure(req){

}

function deleteFormField(fndid,fid){
	response = confirm(deleteFormFieldText);
	if(confirm){
		var pars = "module=iw_forms&func=deleteFormField&fid=" + fid + "&fndid=" + fndid;
		var myAjax = new Ajax.Request("ajax.php", 
		{
			method: 'get', 
			parameters: pars, 
			onComplete: deleteFormField_response,
			onFailure: deleteFormField_failure
		});
	}
}

function deleteFormField_response(req){
	if (req.status != 200) { 
		pnshowajaxerror(req.responseText);
		return;
	}
	var json = pndejsonize(req.responseText);

	$('fieldrow_' + json.fndid).toggle();
}

function deleteFormField_failure(){

}

function newField(fid){
	var pars = "module=iw_forms&func=newField&fid=" + fid;
	var myAjax = new Ajax.Request("ajax.php", 
	{
		method: 'get', 
		parameters: pars, 
		onComplete: newField_response,
		onFailure: newField_failure
	});
}

function newField_response(req){
	if (req.status != 200) { 
		pnshowajaxerror(req.responseText);
		return;
	}
	var json = pndejsonize(req.responseText);

	Element.update('fieldsList', json.content).innerHTML;
}

function newField_failure(){

}