/**
  Funzioni di libreria
*/

function cleanJson(data)
{
	return data.substring(data.indexOf("{"));
}

function jsonRequest(func, params, callback)
{
	$.ajax({
		url: abs_url + "ajax_controller.php",
		data:$.extend({func:func}, params),
		success: function(data){
			if(callback)
				callback(jQuery.parseJSON(cleanJson(data)).result);
		}
	});
}

function jsonSyncRequest(func, params)
{
	var rv = "";
	$.ajax({
		url: abs_url + "ajax_controller.php",
		async: false,
		data:$.extend({func:func}, params),
		success: function(data){
			rv = jQuery.parseJSON(cleanJson(data)).result;
		}
	});
	
	return rv;
}

function myAlert(msg, return_value, callback)
{
	alert(msg);
	if(callback)
	  callback();
	return return_value;
}

function liClick(elem)
{
	alert("a");
	try
	{
		var a = $(elem).find("a")[0];
	  if(a.href=="#" || a.href=="")
		return;
		
	  if(a.href.indexOf("javascript:") == 0)
	  {
		  eval(a.href);
		  return;
	  }
	  
	  if(a.target == "_blank")
		window.open(a.href);
	  else
		document.location = a.href;
	}
	catch(e){};
}


function isMobile(){
  return (/iphone|ipod|ipad|android|blackberry|mini|windows\sce|palm/i.test(navigator.userAgent.toLowerCase()));  
}

function isEmpty(s)
{
  try{
    return !(s != undefined &&  s != null && s.trim() != "" && s.trim() != "null");
  }catch(e){
    return true;
  }
  

}

function notEmpty()
{
	for(var i=0; i<arguments.length; i++)
		if(arguments[i] != undefined && arguments[i] != null && arguments[i] != "" && arguments[i] != "null")
			return arguments[i];
}



function cutString(str, len)
{
	var dots = "...";
	
	str = notEmpty(str, "");
	if(str.length <= len)
	  return str;
	
	return str.substr(0, len - dots.length) + dots;
}


function scaleSize(maxW, maxH, currW, currH)
{

	var ratio = currH / currW;
	
	if(currW >= maxW && ratio <= 1)
	{
		currW = maxW;
		currH = currW * ratio;
	} else if(currH >= maxH)
	{
		currH = maxH;
		currW = currH / ratio;
	}
	return {width: currW, height:currH};
}




function get_html_translation_table (table, quote_style) {
    // Returns the internal translation table used by htmlspecialchars and htmlentities  
    // 
    // version: 1107.2516
    // discuss at: http://phpjs.org/functions/get_html_translation_table
    // +   original by: Philip Peterson
    // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: noname
    // +   bugfixed by: Alex
    // +   bugfixed by: Marco
    // +   bugfixed by: madipta
    // +   improved by: KELAN
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
    // +      input by: Frank Forte
    // +   bugfixed by: T.Wild
    // +      input by: Ratheous
    // %          note: It has been decided that we're not going to add global
    // %          note: dependencies to php.js, meaning the constants are not
    // %          note: real constants, but strings instead. Integers are also supported if someone
    // %          note: chooses to create the constants themselves.
    // *     example 1: get_html_translation_table('HTML_SPECIALCHARS');
    // *     returns 1: {'"': '&quot;', '&': '&amp;', '<': '&lt;', '>': '&gt;'}
    var entities = {},
        hash_map = {},
        decimal = 0,
        symbol = '';
    var constMappingTable = {},
        constMappingQuoteStyle = {};
    var useTable = {},
        useQuoteStyle = {};
 
    // Translate arguments
    constMappingTable[0] = 'HTML_SPECIALCHARS';
    constMappingTable[1] = 'HTML_ENTITIES';
    constMappingQuoteStyle[0] = 'ENT_NOQUOTES';
    constMappingQuoteStyle[2] = 'ENT_COMPAT';
    constMappingQuoteStyle[3] = 'ENT_QUOTES';
 
    useTable = !isNaN(table) ? constMappingTable[table] : table ? table.toUpperCase() : 'HTML_SPECIALCHARS';
    useQuoteStyle = !isNaN(quote_style) ? constMappingQuoteStyle[quote_style] : quote_style ? quote_style.toUpperCase() : 'ENT_COMPAT';
 
    if (useTable !== 'HTML_SPECIALCHARS' && useTable !== 'HTML_ENTITIES') {
        throw new Error("Table: " + useTable + ' not supported');
        // return false;
    }
 
    entities['38'] = '&amp;';
    if (useTable === 'HTML_ENTITIES') {
        entities['160'] = '&nbsp;';
        entities['161'] = '&iexcl;';
        entities['162'] = '&cent;';
        entities['163'] = '&pound;';
        entities['164'] = '&curren;';
        entities['165'] = '&yen;';
        entities['166'] = '&brvbar;';
        entities['167'] = '&sect;';
        entities['168'] = '&uml;';
        entities['169'] = '&copy;';
        entities['170'] = '&ordf;';
        entities['171'] = '&laquo;';
        entities['172'] = '&not;';
        entities['173'] = '&shy;';
        entities['174'] = '&reg;';
        entities['175'] = '&macr;';
        entities['176'] = '&deg;';
        entities['177'] = '&plusmn;';
        entities['178'] = '&sup2;';
        entities['179'] = '&sup3;';
        entities['180'] = '&acute;';
        entities['181'] = '&micro;';
        entities['182'] = '&para;';
        entities['183'] = '&middot;';
        entities['184'] = '&cedil;';
        entities['185'] = '&sup1;';
        entities['186'] = '&ordm;';
        entities['187'] = '&raquo;';
        entities['188'] = '&frac14;';
        entities['189'] = '&frac12;';
        entities['190'] = '&frac34;';
        entities['191'] = '&iquest;';
        entities['192'] = '&Agrave;';
        entities['193'] = '&Aacute;';
        entities['194'] = '&Acirc;';
        entities['195'] = '&Atilde;';
        entities['196'] = '&Auml;';
        entities['197'] = '&Aring;';
        entities['198'] = '&AElig;';
        entities['199'] = '&Ccedil;';
        entities['200'] = '&Egrave;';
        entities['201'] = '&Eacute;';
        entities['202'] = '&Ecirc;';
        entities['203'] = '&Euml;';
        entities['204'] = '&Igrave;';
        entities['205'] = '&Iacute;';
        entities['206'] = '&Icirc;';
        entities['207'] = '&Iuml;';
        entities['208'] = '&ETH;';
        entities['209'] = '&Ntilde;';
        entities['210'] = '&Ograve;';
        entities['211'] = '&Oacute;';
        entities['212'] = '&Ocirc;';
        entities['213'] = '&Otilde;';
        entities['214'] = '&Ouml;';
        entities['215'] = '&times;';
        entities['216'] = '&Oslash;';
        entities['217'] = '&Ugrave;';
        entities['218'] = '&Uacute;';
        entities['219'] = '&Ucirc;';
        entities['220'] = '&Uuml;';
        entities['221'] = '&Yacute;';
        entities['222'] = '&THORN;';
        entities['223'] = '&szlig;';
        entities['224'] = '&agrave;';
        entities['225'] = '&aacute;';
        entities['226'] = '&acirc;';
        entities['227'] = '&atilde;';
        entities['228'] = '&auml;';
        entities['229'] = '&aring;';
        entities['230'] = '&aelig;';
        entities['231'] = '&ccedil;';
        entities['232'] = '&egrave;';
        entities['233'] = '&eacute;';
        entities['234'] = '&ecirc;';
        entities['235'] = '&euml;';
        entities['236'] = '&igrave;';
        entities['237'] = '&iacute;';
        entities['238'] = '&icirc;';
        entities['239'] = '&iuml;';
        entities['240'] = '&eth;';
        entities['241'] = '&ntilde;';
        entities['242'] = '&ograve;';
        entities['243'] = '&oacute;';
        entities['244'] = '&ocirc;';
        entities['245'] = '&otilde;';
        entities['246'] = '&ouml;';
        entities['247'] = '&divide;';
        entities['248'] = '&oslash;';
        entities['249'] = '&ugrave;';
        entities['250'] = '&uacute;';
        entities['251'] = '&ucirc;';
        entities['252'] = '&uuml;';
        entities['253'] = '&yacute;';
        entities['254'] = '&thorn;';
        entities['255'] = '&yuml;';
    }
 
    if (useQuoteStyle !== 'ENT_NOQUOTES') {
        entities['34'] = '&quot;';
    }
    if (useQuoteStyle === 'ENT_QUOTES') {
        entities['39'] = '&#39;';
    }
    entities['60'] = '&lt;';
    entities['62'] = '&gt;';
 
 
    // ascii decimals to real symbols
    for (decimal in entities) {
        symbol = String.fromCharCode(decimal);
        hash_map[symbol] = entities[decimal];
    }
 
    return hash_map;
}

function htmlentities (string, quote_style, charset, double_encode) {
    // Convert all applicable characters to HTML entities  
    // 
    // version: 1107.2516
    // discuss at: http://phpjs.org/functions/htmlentities
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: nobbler
    // +    tweaked by: Jack
    // +   bugfixed by: Onno Marsman
    // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +    bugfixed by: Brett Zamir (http://brett-zamir.me)
    // +      input by: Ratheous
    // +   improved by: Rafał Kukawski (http://blog.kukawski.pl)
    // -    depends on: get_html_translation_table
    // *     example 1: htmlentities('Kevin & van Zonneveld');
    // *     returns 1: 'Kevin &amp; van Zonneveld'
    // *     example 2: htmlentities("foo'bar","ENT_QUOTES");
    // *     returns 2: 'foo&#039;bar'
    var hash_map = {},
        symbol = '',
        entity = '',
        self = this;
    string += '';
    double_encode = !!double_encode || double_encode == null;
 
    if (false === (hash_map = this.get_html_translation_table('HTML_ENTITIES', quote_style))) {
        return false;
    }
    hash_map["'"] = '&#039;';
    
    if (double_encode) {
        for (symbol in hash_map) {
            entity = hash_map[symbol];
            string = string.split(symbol).join(entity);
        }
    } else {
        string = string.replace(/([\s\S]*?)(&(?:#\d+|#x[\da-f]+|[a-z][\da-z]*);|$)/g, function (ignore, text, entity) {
            return self.htmlentities(text, quote_style, charset) + entity;
        });
    }
 
    return string;
}


function setCalendar(selector, id_lingua){
	$(selector).datepicker();
	
	var dateformat = "mm/dd/yy";
	try{dateformat = $.datepicker.regional[id_lingua].dateFormat}catch(e){}
	var the_form = $(selector).parentsUntil("form").parent();
	dateformat = dateformat.replace("mm", "m").replace("dd", "d").replace("yy", "Y");
	the_form.append("<input type='hidden' class='dateformat' name='dateformat' value='"+dateformat+"'>");
}