function _e(elem)
{
	if(typeof(elem)=='object') return elem;
	else return document.getElementById(elem);
};

function show(elem)
{
	if(e=_e(elem)) {
		e.style.display='';
		e.style.visibility='visible';
		return true;
	}
	return false;
};

function showAndBlock(elem)
{
	if(e=_e(elem)) {
		e.style.display='block';
		e.style.visibility='visible';
		return true;
	}
	return false;  
};

function hide(elem)
{
	if(e=_e(elem)) {
		e.style.display='none';
		e.style.visibility='hidden';
		return true;
	}
	return false;
};

function enable(elem)
{
	if((e=_e(elem))) {
		e.removeAttribute('disabled');
		return true;
	}
	return false;
};

function disable(elem)
{
	if((e=_e(elem))) {
		e.setAttribute('disabled','true');
		return true;
	}
	return false;
};

/* String extensions */

String.prototype.trim=function() {
	return this.replace(/^\s+|\s+$/g,'');
}

String.prototype.ltrim=function() {
	return this.replace(/^\s+/g,'');
}

String.prototype.rtrim=function() {
	return this.replace(/\s+$/g,'');
}

function viewDiv(id){	
	document.getElementById(id).style.display="block";	
}

function viewHideDiv(id)
{
    var e = document.getElementById(id);
    e.style.display=(e.style.display=='block')?'none':'block';
}

function hideDiv(id){	
  if(id != null)
	document.getElementById(id).style.display="none";	
}

function checkItem(item){	
	document.getElementById(item).checked=true;	
}

function uncheckItem(item){	
	document.getElementById(item).checked=false;	
}

function checkAll(div){
	
	var inputs = document.getElementById(div).getElementsByTagName('input');	
	
	for (var i=0;i<inputs.length;i++) {			
		if(inputs[i].type == "checkbox") inputs[i].checked = true;	
	}
	
}

function uncheckAll(id){

    var inputs = document.getElementById(id).getElementsByTagName('input');
    
    for (var i=0;i<inputs.length;i++) {
		if (inputs[i].type == "checkbox") inputs[i].checked = false;	
	
    }       

}


function checkUncheckAll(div,checkbox){
	
	if(checkbox.checked==true){		
		checkAll(div);
	}
	else{
		uncheckAll(div);
	}
}

function showContextMenu(id_menu) {
	
	context=0;
	show(id_menu);

};

function hideContextMenu(e,id_menu) {
	
	if (!e) var e = window.event;
	
	var tg = (window.event) ? e.srcElement : e.target;
	
	if (tg.nodeName == 'UL') { 
		if(context==1){
			hide(id_menu); 
		}	
		else{
			context=1;
			return;					
		}
	}
	
};

// Gestione select

function select_clear(elem)
{
	if(typeof(elem)!='object') elem=document.getElementById(elem);
	if(elem.firstChild) {
		var child;
		if(elem.firstChild.nodeName=='OPTION') child=elem.firstChild;
		else child=elem.firstChild.nextSibling;
		while(child) {
			var c=child;
			child=child.nextSibling;
			elem.removeChild(c);
		}
	}
}

function select_add(elem,value,label)
{
	if(typeof(elem)!='object') elem=document.getElementById(elem);
	var opt=document.createElement('option');
	opt.value=value;
	if(label) opt.appendChild(document.createTextNode(label));
	elem.appendChild(opt);
};

function select_get_cur(elem)
{
	var elem;
	if((elem=_e(elem)))
	{
		if(elem.selectedIndex!=-1)
			return elem.options[elem.selectedIndex].value;
	}
	return null;
};

function select_get_cur_label(elem)
{
	if(typeof(elem)!='object') elem=document.getElementById(elem);
	if(elem.selectedIndex!=-1)
		return elem.options[elem.selectedIndex].text;
	return null;
};

function select_set_selected_value(elem,value)
{	
	if(typeof(elem)!='object') elem=document.getElementById(elem);
	
	for(var i=0;i<elem.options.length;i++){			
			if(elem.options[i].value==value) elem.options.selectedIndex = i;           			
    }

	
};

function postForm(url,params,method,target)
{
	method=method || 'POST';
	var form=document.createElement('form');
	if(!form) return false;
	form.setAttribute('method',method);
	form.setAttribute('action',url);
	if(target) form.setAttribute('target',target);
	hide(form);
	for(var key in params)
	{
		if(params.hasOwnProperty(key)) {
			var input=document.createElement('input');
			if(!input) return false;
			input.setAttribute('type','string');
			input.setAttribute('name',key);
			input.setAttribute('value',params[key]);
			form.appendChild(input);
		}
	}
	document.body.appendChild(form);
	form.submit();
};

function getXMLHttp() {
		
	var xmlhttp = null;
	
	if (window.ActiveXObject) {
	
		  if (navigator.userAgent.toLowerCase().indexOf("msie 5") != -1) {
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		  } 
		  else {
				xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		  }
	}
	if (!xmlhttp && typeof(XMLHttpRequest) != 'undefined') {
	  	xmlhttp = new XMLHttpRequest();
	}

	return xmlhttp;

}

function selectAllItems(offset,limit,controller,viewclass,appendActionUrl){
					
	var param = "offset="+offset+"&limit="+limit;	
	
	document.getElementById("itemSelected").innerHTML='<img src="/images/loader_gray.gif">';
	
	if(controller && controller != 'undefined')
		param+="&controller="+controller;
	if(viewclass && viewclass != 'undefined')
		param+="&view="+viewclass;

	var url = "/modules/core/js/ajax/selectAll.php";
	
	if(appendActionUrl && appendActionUrl != '') 
	{
		url += '?'+appendActionUrl;
	}
	
	objHTTP = getXMLHttp();
	objHTTP.open("POST",url,true);
	objHTTP.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	objHTTP.setRequestHeader("Content-length", param.length);	
	objHTTP.onreadystatechange= function() {

		if (objHTTP.readyState==4) {

			if(objHTTP.status==200){		

				if(document.getElementById("itemSelected")!=null)																	
				document.getElementById("itemSelected").innerHTML=objHTTP.responseText;
			}

		}

	};

	objHTTP.send(param);

}


function unselectAllItems(div,controller){
	
	if(div!=null && div != '' && div != 'undefined'){
								
		var inputs = document.getElementById(div).getElementsByTagName('input');
		var checked = new Array();
		
		for (var i=0;i<inputs.length;i++) {
				
			if(inputs[i].type == "checkbox"){
				checked.push(inputs[i].value);
			}	
						
		}						

		var selected = checked.join(",");
		
	}
	else{
		var selected="";
	}	
						
	var param = "selected="+selected;	
  
  if(controller && controller != 'undefined')
    param+="&controller="+controller;
	
	objHTTP = getXMLHttp();
	objHTTP.open("POST", "/modules/core/js/ajax/unselectAll.php",true);
	objHTTP.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	objHTTP.setRequestHeader("Content-length", param.length);	
	objHTTP.onreadystatechange= function() {
			
			if (objHTTP.readyState==4) {
		
				if(objHTTP.status==200){		
					
					if(document.getElementById("itemSelected")!=null)																	
						document.getElementById("itemSelected").innerHTML=objHTTP.responseText;
				}
			
			}
			
	};

	objHTTP.send(param);
	
}



function checkboxCheckAll(offset,limit,checkItem,div,controller,viewclass,appendActionUrl){
	if(checkItem.checked==true){				
		checkAll(div);
		selectAllItems(offset,limit,controller,viewclass,appendActionUrl)
	}
	else{				
		uncheckAll(div);	
		unselectAllItems(div,controller)
	}
	
}



function printSession(sessvar){
							
	var param = "sessvar="+sessvar;	
		
	objHTTP = getXMLHttp();
	objHTTP.open("POST", "/modules/core/js/ajax/printSession.php",true);
	objHTTP.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	objHTTP.setRequestHeader("Content-length", param.length);	
	objHTTP.onreadystatechange= function() {
			
			if (objHTTP.readyState==4) {
		
				if(objHTTP.status==200){							
					var myWindow = window.open();
					myWindow.document.write(objHTTP.responseText);										
					myWindow.focus()
				}
			
			}
			
	};

	objHTTP.send(param);
	
}


function selectItem(checkItem,controller){
	
	if(checkItem.checked==true){
		var action = "add";			
	}
	else{
		var action = "del";
	}
	
	var value = checkItem.value;
															
	var param = "value="+value+"&action="+action;	
    
  if(controller && controller != 'undefined')
    param+="&controller="+controller;
				
	objHTTP = getXMLHttp();
	objHTTP.open("POST", "/modules/core/js/ajax/selectItem.php",true);
	objHTTP.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	objHTTP.setRequestHeader("Content-length", param.length);	
	objHTTP.onreadystatechange= function() {
			
			if (objHTTP.readyState==4) {
		
				if(objHTTP.status==200){		
					
					if(document.getElementById("itemSelected")!=null)																	
						document.getElementById("itemSelected").innerHTML=objHTTP.responseText;
				}
			
			}
			
	};

	objHTTP.send(param);
	
}

function resetForm(el) {
	
    // variable declaration
    var x, y, z, type = null, object = [];
    // collect form elements
    object[0] = document.getElementById(el).getElementsByTagName('input');
    object[1] = document.getElementById(el).getElementsByTagName('textarea');
    object[2] = document.getElementById(el).getElementsByTagName('select');
    // loop through found form elements
    for (x = 0; x < object.length; x++) {
        for (y = 0; y < object[x].length; y++) {
            // define element type
            type = object[x][y].type;
            switch (type) {
            case 'text':
            case 'textarea':
            case 'password':
                object[x][y].value = '';
                break;
            case 'radio':
            case 'checkbox':
                object[x][y].checked = '';
                break;
            case 'select-one':
                object[x][y].options[0].selected = true;
                break;
            case 'select-multiple':
                for (z = 0; z < object[x][y].options.length; z++) {
                    object[x][y].options[z].selected = false;
                }
                break;
            } // end switch
        } // end for y
    } // end for x
}

function disableFilters(el){
	resetForm(el);
        return true;
}

function addFieldAndSubmit(formname,element,elname)
{
    var select_value = select_get_cur(element);
   
    el = document.createElement('input');
    el.setAttribute('type','hidden');
    el.setAttribute('name',elname);
    el.setAttribute('value',select_value);
    document.forms[formname].appendChild(el);
    document.forms[formname].submit();
}

function loadByRequest(elem,url,withnull,async)
{
	select_clear(elem);
        var objHTTP;
	objHTTP = getXMLHttp();
	objHTTP.open("GET",url,async==undefined?true:async);
	objHTTP.onreadystatechange= function() {
		if (objHTTP.readyState==4 && objHTTP.status==200) 
		{
			var list=eval('('+objHTTP.responseText+')');
			if(withnull) select_add(elem,'','');
			for(var i in list) {
				select_add(elem,list[i].id,list[i].name);
			}
		}
	};
	objHTTP.send();
};


function loadByRequestCallback(elem,url,withnull,callback)
{
	select_clear(elem);
        var objHTTP;
	objHTTP = getXMLHttp();
	objHTTP.open("GET",url,true);
	objHTTP.onreadystatechange= function() {
		if (objHTTP.readyState==4 && objHTTP.status==200) 
		{
			var list=eval('('+objHTTP.responseText+')');
			if(withnull) select_add(elem,'','');
			for(var i in list) {
				select_add(elem,list[i].id,list[i].name);
			}
      callback(elem,url,withnull);
		}
	};
	objHTTP.send();
};


function loadByRequestKeep(elem,url,withnull)
{
	var cur=select_get_cur(elem);
	select_clear(elem);
	var objHTTP;
	objHTTP = getXMLHttp();
	objHTTP.open("GET",url,true);
	objHTTP.onreadystatechange= function() {
		if (objHTTP.readyState==4 && objHTTP.status==200) 
		{
			var list=eval('('+objHTTP.responseText+')');
			if(withnull) select_add(elem,'','');
			for(var i in list) {
				select_add(elem,list[i].id,list[i].name);
			}
			if(cur) select_set_selected_value(elem,cur);
		}
	};
	objHTTP.send();
};

function loadByRequestKeepChange(elem,url,withnull,async)
{
	var cur=select_get_cur(elem);
	select_clear(elem);
	var objHTTP;
	objHTTP = getXMLHttp();
	objHTTP.open("GET",url,async==undefined?true:async);
	objHTTP.onreadystatechange= function() {
		if (objHTTP.readyState==4 && objHTTP.status==200) 
		{
			var list=eval('('+objHTTP.responseText+')');
			if(withnull) select_add(elem,'','');
			for(var i in list) {
				select_add(elem,list[i].id,list[i].name);
			}
			if(cur) {
				select_set_selected_value(elem,cur);
				if(!select_get_cur(elem) && $('#'+elem).combobox("instance")) $('#'+elem).combobox("instance").input.val('');
			}
			_e(elem).onchange();
		}
	};
	objHTTP.send();
};

function loadByRequestKeepForce(elem,url,withnull)
{
	var found=false;
	var cur=select_get_cur(elem);
	if(cur) curlabel=select_get_cur_label(elem);
	select_clear(elem);
	var objHTTP;
	objHTTP = getXMLHttp();
	objHTTP.open("GET",url,true);
	objHTTP.onreadystatechange= function() {
		if (objHTTP.readyState==4 && objHTTP.status==200) 
		{
			var list=eval('('+objHTTP.responseText+')');
			if(withnull) select_add(elem,'','');
			for(var i in list) {
				if(list[i].id==cur) found=true;
				select_add(elem,list[i].id,list[i].name);
			}
			if(cur) {
				if(!found) {
					select_add(elem,cur,curlabel);
				}
				select_set_selected_value(elem,cur);
			}
		}
	};
	objHTTP.send();
};

function loadByRequest2(elem,url,withnull,async)
{
	select_clear(elem);
	objHTTP2 = getXMLHttp();
	objHTTP2.open("GET",url,async==undefined?true:async);
	objHTTP2.onreadystatechange= function() {
		if (objHTTP2.readyState==4 && objHTTP2.status==200) 
		{
			var list=eval('('+objHTTP2.responseText+')');
			if(withnull) select_add(elem,'','');
			for(var i in list) {
				select_add(elem,list[i].id,list[i].name);
			}
		}
	};
	objHTTP2.send();
};

function format_timeint(v)
{
	var v=Number(v);
	var h=Math.floor(v/3600);
	v%=3600;
	var m=Math.floor(v/60);
	v=Math.floor(v%60);
	return h+':'+(m<10?'0':'')+m+':'+(v<10?'0':'')+v;
};

function format_bytes(value) 
{
	if(value<1000) return new Number(value).toFixed(2);
	value/=1000;
	if(value<1000) return value.toFixed(2)+' KB';
	value/=1000;
	if(value<1000) return value.toFixed(2)+' MB';
	value/=1000;
	return value.toFixed(2)+' GB';
};

function confirmDelete(){
	var conf = confirm('Eliminare gli elementi selezionati ?');
	return conf;	
}

function confirmUnlink(){
	var conf = confirm('Rimuovere associazione con gli elementi selezionati ?');
	return conf;	
}

function deleteResponse(url)
{	
	objHTTP = getXMLHttp();
	objHTTP.open("GET",url,true);
	objHTTP.onreadystatechange= function() {
		if (objHTTP.readyState==4 && objHTTP.status==200) 
		{
			alert(objHTTP.responseText);
			location.reload();			
		}
	};
	objHTTP.send();
};


function reAuthUser(){
	
	var passwd = document.getElementById('passwd').value;
	var conf_passwd = document.getElementById('conf_passwd').value;
	
	if(passwd=='' || conf_passwd==''){
		alert('Inserire Password e Conferma Password');
		return false;
	}
	
	if(passwd!=conf_passwd){
		alert('Password e Conferma Password diversi');
		return false;
	}
		
	var param = "passwd="+encodeURIComponent(passwd)+"&conf_passwd="+encodeURIComponent(conf_passwd);	
				
	objHTTP = getXMLHttp();
	objHTTP.open("POST", "/mvc/controller/auth/exec.php",true);
	objHTTP.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	objHTTP.setRequestHeader("Content-length", param.length);	
	objHTTP.onreadystatechange= function() {
			
			if (objHTTP.readyState==4) {
		
				if(objHTTP.status==200){		
					
					var res=objHTTP.responseText;
					
					if(res=='-1') alert('Credenziali non valide');					
					else {
						location.reload();						
					}
					
				}
			
			}
			
	};

	objHTTP.send(param);	
	

}


function htmlTableFilter(table_id,input_id,start_row){
	
	if(!start_row) start_row=0;
	
	var needle = document.getElementById(input_id).value;	
						
	var table = document.getElementById(table_id);	
	var righe = table.getElementsByTagName("tr");
	
	for(i=start_row;i<righe.length;i++){
				
		var celle = righe[i].getElementsByTagName("td");		
		
		var check=0;
		
		for(j=0;j<celle.length;j++){
			
			/*
			//inizia con ...					
			var stringa = celle[j].innerHTML;
			var sottostringa = stringa.substring(0, needle.length);				
			if(needle.toLowerCase()!=sottostringa.toLowerCase() ) check++;							
			*/
			
			// contenuto in ...
			var stringa = celle[j].innerHTML;
			if(stringa.toLowerCase().indexOf(needle.toLowerCase()) == -1 ) check++;			
							
		}
					
		if(check==celle.length) table.rows[i].style.display='none';
		else table.rows[i].style.display='table-row';		
				
	}	
	
}


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 setSessionVariable(name,value,increase_array,array_unique){
							
	if(increase_array==null) increase_array=0;
	if(array_unique==null) array_unique=1;
							
	var param = "name="+name+"&value="+value+"&increase_array="+increase_array+"&array_unique="+array_unique;	
		
	objHTTP = getXMLHttp();
	objHTTP.open("POST", "/modules/core/js/ajax/setSessionVariable.php",true);
	objHTTP.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	objHTTP.setRequestHeader("Content-length", param.length);	
	objHTTP.onreadystatechange= function() {
			
		if (objHTTP.readyState==4) {
	
			if(objHTTP.status==200){							
					return true;	
			}		
		}			
	};

	objHTTP.send(param);
		
}

function unsetSessionVariable(name,decrease_array,value){
	
	if(decrease_array==null) decrease_array=0;
	if(value==null) value=0;
							
	var param = "name="+name+"&value="+value+"&decrease_array="+decrease_array;	
		
	objHTTP = getXMLHttp();
	objHTTP.open("POST", "/modules/core/js/ajax/unsetSessionVariable.php",true);
	objHTTP.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	objHTTP.setRequestHeader("Content-length", param.length);	
	objHTTP.onreadystatechange= function() {
			
		if (objHTTP.readyState==4) {
	
			if(objHTTP.status==200){							
					return true;	
			}		
		}			
	};

	objHTTP.send(param);
		
}

function getMultiselectSelectedValue(selector)
{
	var selected = [];
	
	$(selector+" option:selected").each(function () {
		var $this = $(this);
		if ($this.length)
		{
			selected.push($this.val());				
		}
	});		
	
	return selected;
}

function showclock(elem,offset,refresh)
{
	var e;
	if(refresh==undefined) refresh=500;
	if(!(e=document.getElementById(elem))) return;
	var date=new Date();
	date.setTime(Date.now()+offset*1000);
	e.innerHTML=date.toLocaleDateString()+' '+date.toLocaleTimeString();
	setTimeout(function() {
		showclock(elem,offset,refresh);
	},refresh);
};

function slugify(text){
	if (typeof text === 'string' || text instanceof String)
	{
		return text.toString().toLowerCase().trim()
			.replace(/[^\w\s-]/g, '') // remove non-word [a-z0-9_], non-whitespace, non-hyphen characters
			.replace(/[\s_-]+/g, '_') // swap any length of whitespace, underscore, hyphen characters with a single _
			.replace(/^-+|-+$/g, '') // remove leading, trailing -
			.replace(/&/g, '-and-'); // Replace & with 'and'
	}
	else{
		return "";
	}
};

function HtmltoJpeg(htmlnode,style,precall,postcall)
{
	if(htmlnode==undefined) htmlnode='container';
	if(style==undefined) style=null;
	if(precall==undefined) precall=null;
	if(postcall==undefined) postcall=null;

	var node = document.getElementById(htmlnode);
	if(precall!=null){
		precall();
	}

	html2canvas(node,{allowTaint:true, useCORS:true, profile:true, letterRendering: true, logging: true}).then(function(canvas) {
		//document.body.appendChild(canvas);
		var dataUrl = canvas.toDataURL();
		if(postcall!=null){
			postcall();
		}

		var ext= "png";
		var d = new Date();
		var datestring = slugify(d.toUTCString());

		var url = dataUrl; //URL.createObjectURL(data);
		var $a = $('<a />', {
			'href': url,
			'download': 'export-'+datestring+'.'+ext,
			'text': "click"
		  }).hide().appendTo("body")[0].click();

	})
	.catch(function (error) {
		if(postcall!=null){
			postcall();
		}		
		console.error('oops, something went wrong!', error);
		alert("C'è stato un errore nella generazione dell'immagine");
	});;
};