function opCt(theURL,winName,winWidth,winHeight,features) {
  var w = (screen.width - winWidth)/2;
  var h = (screen.height - winHeight)/2 - 60;
  features = features+',width='+winWidth+',height='+winHeight+',top='+h+',left='+w;
  window.open(theURL,winName,features);
}

function refresh()
{
    window.location.replace( sURL );
}

function refresh()
{
    window.location.reload( false );
}

function submitform(nomeform)
{
  var form = document.getElementById(nomeform);
  form.submit();
}

function zoom() {
	imanew = document.getElementById('imgo').innerHTML;
//		alert(imanew);
//		window.open(imanew);
	opCt(imanew,'popfoto','530','530');
}

function zoom2(nomediv) {
	var supediv = document.getElementById(nomediv);
	var imanew = supediv.innerHTML;
	opCt(imanew,'popfoto','530','530');
}

function zoomfoto(foto) {
	opCt(foto,'popfoto','530','530');
}

function toggle_visibility(id) {
	
	if (document.getElementById(id).style.display == 'block') {
		document.getElementById(id).style.display = 'none';
	} else {	
		for (var i=0;i<=10;i++){
		if (document.getElementById('menucat_'+i) != null) {
			document.getElementById('menucat_'+i).style.display = 'none';
		}
		}
	
		document.getElementById(id).style.display = 'block';
	}
	
}

function xmlhttpPost(strURL,formname,responsediv,responsemsg) {
    var xmlHttpReq = false;
    var self = this;
    // Xhr per Mozilla/Safari/Ie7
    if (window.XMLHttpRequest) {
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // per tutte le altre versioni di IE
    else if (window.ActiveXObject) {
        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }
    self.xmlHttpReq.open('POST', strURL, true);
    self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    self.xmlHttpReq.onreadystatechange = function() {
        if (self.xmlHttpReq.readyState == 4) {
			// Quando pronta, visualizzo la risposta del form
            updatepage(self.xmlHttpReq.responseText,responsediv);
        }
		else{
			// In attesa della risposta del form visualizzo il msg di attesa
			updatepage(responsemsg,responsediv);

		}
    }
    self.xmlHttpReq.send(getquerystring(formname));
}

function getquerystring(formname) {
    var form = document.forms[formname];
	var qstr = "";

    function GetElemValue(name, value) {
        qstr += (qstr.length > 0 ? "&" : "")
            + escape(name).replace(/\+/g, "%2B") + "="
            + escape(value ? value : "").replace(/\+/g, "%2B");
			//+ escape(value ? value : "").replace(/\n/g, "%0D");
    }
	
	var elemArray = form.elements;
    for (var i = 0; i < elemArray.length; i++) {
        var element = elemArray[i];
        var elemType = element.type.toUpperCase();
        var elemName = element.name;
        if (elemName) {
            if (elemType == "TEXT"
                    || elemType == "TEXTAREA"
                    || elemType == "PASSWORD"
					|| elemType == "BUTTON"
					|| elemType == "RESET"
					|| elemType == "SUBMIT"
					|| elemType == "FILE"
					|| elemType == "IMAGE"
                    || elemType == "HIDDEN")
                GetElemValue(elemName, element.value);
            else if (elemType == "CHECKBOX" && element.checked)
                GetElemValue(elemName, 
                    element.value ? element.value : "On");
            else if (elemType == "RADIO" && element.checked)
                GetElemValue(elemName, element.value);
            else if (elemType.indexOf("SELECT") != -1)
                for (var j = 0; j < element.options.length; j++) {
                    var option = element.options[j];
                    if (option.selected)
                        GetElemValue(elemName,
                            option.value ? option.value : option.text);
                }
        }
    }
    return qstr;
}

function updatepage(str,responsediv){
    document.getElementById(responsediv).innerHTML = str;
}

function popitup(url) {
	newwindow=window.open(url,'name','height=300,width=300,scrollbars=1');
	if (window.focus) {newwindow.focus()}
	return false;
}