function browser_control() {
	var b = navigator.appName.toString();
	var up = navigator.platform.toString();
	var ua = navigator.userAgent.toString();

	this.mozilla = this.ie = this.opera = r = false;
	var re_opera = /Opera.([0-9\.]*)/i;
	var re_msie = /MSIE.([0-9\.]*)/i;
	var re_gecko = /gecko/i;
	var re_safari = /safari\/([\d\.]*)/i;
	
	if (ua.match(re_opera)) {
		r = ua.match(re_opera);
		this.opera = true;
		this.version = parseFloat(r[1]);
	} else if (ua.match(re_msie)) {
		r = ua.match(re_msie);
		this.ie = true;
		this.version = parseFloat(r[1]);
	} else if (ua.match(re_safari)) {
		this.safari = true;
		this.version = 1.4;
	} else if (ua.match(re_gecko)) {
		var re_gecko_version = /rv:\s*([0-9\.]+)/i;
		r = ua.match(re_gecko_version);
		this.mozilla = true;
		this.version = parseFloat(r[1]);
	}
	this.windows = this.mac = this.linux = false;

	this.Platform = ua.match(/windows/i) ? "windows" :
					(ua.match(/linux/i) ? "linux" :
					(ua.match(/mac/i) ? "mac" :
					ua.match(/unix/i)? "unix" : "unknown"));
	this[this.Platform] = true;
	this.v = this.version;

	if (this.safari && this.mac && this.mozilla) {
		this.mozilla = false;
	}
	

	
};

function check_date(field){
var checkstr = "0123456789";
var DateField = field;
var Datevalue = "";
var DateTemp = "";
var seperator = "/";
var day;
var month;
var year;
var leap = 0;
var err = 0;
var i;
   err = 0;
   DateValue = DateField.value;
   /* Delete all chars except 0..9 */
   for (i = 0; i < DateValue.length; i++) {
	  if (checkstr.indexOf(DateValue.substr(i,1)) >= 0) {
	     DateTemp = DateTemp + DateValue.substr(i,1);
	  }
	  else
	  {
	  if (DateTemp.length == 1)
		{
    	  DateTemp = "0" + DateTemp
		}
	  else
	  {
	  	if (DateTemp.length == 3)
	  	{
	  	DateTemp = DateTemp.substr(0,2) + '0' + DateTemp.substr(2,1);
	  	}
	  }
	 }
   }
   DateValue = DateTemp;
   /* Always change date to 8 digits - string*/
   /* if year is entered as 2-digit / always assume 20xx */
   if (DateValue.length == 6) {
      DateValue = DateValue.substr(0,4) + '20' + DateValue.substr(4,2); }
   if (DateValue.length != 8) {
      return(false);}
   /* year is wrong if year = 0000 */
   year = DateValue.substr(4,4);
   if (year == 0) {
      err = 20;
   }
   /* Validation of month dd/mm/yy */
   month = DateValue.substr(2,2);
   if ((month < 1) || (month > 12)) {
      err = 21;
   }
   /* Validation of day dd/mm/yy */
   day = DateValue.substr(0,2);
   if (day < 1) {
     err = 22;
   }
   /* Validation leap-year / february / day */
   if ((year % 4 == 0) || (year % 100 == 0) || (year % 400 == 0)) {
      leap = 1;
   }
   if ((month == 2) && (leap == 1) && (day > 29)) {
      err = 23;
   }
   if ((month == 2) && (leap != 1) && (day > 28)) {
      err = 24;
   }
   /* Validation of other months */
   if ((day > 31) && ((month == "01") || (month == "03") || (month == "05") || (month == "07") || (month == "08") || (month == "10") || (month == "12"))) {
      err = 25;
   }
   if ((day > 30) && ((month == "04") || (month == "06") || (month == "09") || (month == "11"))) {
      err = 26;
   }
   /* if 00 ist entered, no error, deleting the entry */
   if ((day == 0) && (month == 0) && (year == 00)) {
      err = 0; day = ""; month = ""; year = ""; seperator = "";
   }
   /* if no error, write the completed date to Input-Field (e.g. 13.12.2001) */
   if (err == 0) {
	DateField.value = day + seperator + month + seperator + year;
	return(true);
   }
   /* Error-message if err != 0 */
   else {
	return(false);   
   }
}


// general utility for browsing a named array or object
function xshow(o) {
	s = '';
	for(e in o) {s += e+'='+o[e]+'\n';}
	alert( s );
}

function writeDynaList( selectParams, source, key, orig_key, orig_val ) {
	var html = '\n	<select ' + selectParams + '>';
	var i = 0;
	for (x in source) {
		if (source[x][0] == key) {
			var selected = '';
			if ((orig_key == key && orig_val == source[x][1]) || (i == 0 && orig_key != key)) {
				selected = 'selected="selected"';
			}
			html += '\n		<option value="'+source[x][1]+'" '+selected+'>'+source[x][2]+'</option>';
		}
		i++;
	}
	html += '\n	</select>';

	document.writeln( html );
}


function changeDynaList( listname, source, key, orig_key, orig_val ) {
	var list = eval( 'document.adminForm.' + listname );

	// empty the list
	for (i in list.options.length) {
		list.options[i] = null;
	}
	i = 0;
	for (x in source) {
		if (source[x][0] == key) {
			opt = new Option();
			opt.value = source[x][1];
			opt.text = source[x][2];

			if ((orig_key == key && orig_val == opt.value) || i == 0) {
				opt.selected = true;
			}
			list.options[i++] = opt;
		}
	}
	list.length = i;
}

/**
* Adds a select item(s) from one list to another
*/
function addSelectedToList( frmName, srcListName, tgtListName ) {
	var form = eval( 'document.' + frmName );
	var srcList = eval( 'form.' + srcListName );
	var tgtList = eval( 'form.' + tgtListName );

	var srcLen = srcList.length;
	var tgtLen = tgtList.length;
	var tgt = "x";

	//build array of target items
	for (var i=tgtLen-1; i > -1; i--) {
		tgt += "," + tgtList.options[i].value + ","
	}

	//Pull selected resources and add them to list
	for (var i=srcLen-1; i > -1; i--) {
		if (srcList.options[i].selected && tgt.indexOf( "," + srcList.options[i].value + "," ) == -1) {
			opt = new Option( srcList.options[i].text, srcList.options[i].value );
			tgtList.options[tgtList.length] = opt;
		}
	}
}

function delSelectedFromList( frmName, srcListName ) {
	var form = eval( 'document.' + frmName );
	var srcList = eval( 'form.' + srcListName );

	var srcLen = srcList.length;

	for (var i=srcLen-1; i > -1; i--) {
		if (srcList.options[i].selected) {
			srcList.options[i] = null;
		}
	}
}

function moveInList( frmName, srcListName, index, to) {
	var form = eval( 'document.' + frmName );
	var srcList = eval( 'form.' + srcListName );
	var total = srcList.options.length-1;

	if (index == -1) {
		return false;
	}
	if (to == +1 && index == total) {
		return false;
	}
	if (to == -1 && index == 0) {
		return false;
	}

	var items = new Array;
	var values = new Array;

	for (i=total; i >= 0; i--) {
		items[i] = srcList.options[i].text;
		values[i] = srcList.options[i].value;
	}
	for (i = total; i >= 0; i--) {
		if (index == i) {
			srcList.options[i + to] = new Option(items[i],values[i], 0, 1);
			srcList.options[i] = new Option(items[i+to], values[i+to]);
			i--;
		} else {
			srcList.options[i] = new Option(items[i], values[i]);
	   }
	}
	srcList.focus();
}

function getSelectedOption( frmName, srcListName ) {
	var form = eval( 'document.' + frmName );
	var srcList = eval( 'form.' + srcListName );

	i = srcList.selectedIndex;
	if (i != null && i > -1) {
		return srcList.options[i];
	} else {
		return null;
	}
}

function setSelectedValue( frmName, srcListName, value ) {
	var form = eval( 'document.' + frmName );
	var srcList = eval( 'form.' + srcListName );

	var srcLen = srcList.length;

	for (var i=0; i < srcLen; i++) {
		srcList.options[i].selected = false;
		if (srcList.options[i].value == value) {
			srcList.options[i].selected = true;
		}
	}
}

function getSelectedRadio( frmName, srcGroupName ) {
	var form = eval( 'document.' + frmName );
	var srcGroup = eval( 'form.' + srcGroupName );

	if (srcGroup[0]) {
		for (var i=0, n=srcGroup.length; i < n; i++) {
			if (srcGroup[i].checked) {
				return srcGroup[i].value;
			}
		}
	} else {
		if (srcGroup.checked) {
			return srcGroup.value;
		} // if the one button is checked, return zero
	}
   // if we get to this point, no radio button is selected
   return null;
}

function getSelectedValue( frmName, srcListName ) {
	var form = eval( 'document.' + frmName );
	var srcList = eval( 'form.' + srcListName );

	i = srcList.selectedIndex;
	if (i != null && i > -1) {
		return srcList.options[i].value;
	} else {
		return null;
	}
}

function getSelectedText( frmName, srcListName ) {
	var form = eval( 'document.' + frmName );
	var srcList = eval( 'form.' + srcListName );

	i = srcList.selectedIndex;
	if (i != null && i > -1) {
		return srcList.options[i].text;
	} else {
		return null;
	}
}

function chgSelectedValue( frmName, srcListName, value ) {
	var form = eval( 'document.' + frmName );
	var srcList = eval( 'form.' + srcListName );

	i = srcList.selectedIndex;
	if (i != null && i > -1) {
		srcList.options[i].value = value;
		return true;
	} else {
		return false;
	}
}

// Form specific functions for editting content images

function showImageProps(base_path) {
	form = document.adminForm;
	value = getSelectedValue( 'adminForm', 'imagelist' );
	parts = value.split( '|' );
	form._source.value = parts[0];
	setSelectedValue( 'adminForm', '_align', parts[1] || '' );
	form._alt.value = parts[2] || '';
	form._border.value = parts[3] || '0';
	form._caption.value = parts[4] || '';
	setSelectedValue( 'adminForm', '_caption_position', parts[5] || '' );
	setSelectedValue( 'adminForm', '_caption_align', parts[6] || '' );
	form._width.value = parts[7] || '';

	//previewImage( 'imagelist', 'view_imagelist', base_path );
	srcImage = eval( "document." + 'view_imagelist' );
	srcImage.src = base_path + parts[0];
}

function applyImageProps() {
	form = document.adminForm;
	if (!getSelectedValue( 'adminForm', 'imagelist' )) {
		alert( "Select and image from the list" );
		return;
	}
	value = form._source.value + '|'
	+ getSelectedValue( 'adminForm', '_align' ) + '|'
	+ form._alt.value + '|'
	+ parseInt( form._border.value ) + '|'
	+ form._caption.value + '|'
	+ getSelectedValue( 'adminForm', '_caption_position' ) + '|'
	+ getSelectedValue( 'adminForm', '_caption_align' ) + '|'
	+ form._width.value;
	chgSelectedValue( 'adminForm', 'imagelist', value );
}

function previewImage( list, image, base_path ) {
	form = document.adminForm;
	srcList = eval( "form." + list );
	srcImage = eval( "document." + image );
	var fileName = srcList.options[srcList.selectedIndex].text;
	var fileName2 = srcList.options[srcList.selectedIndex].value;
	if (fileName.length == 0 || fileName2.length == 0) {
		srcImage.src = 'images/blank.gif';
	} else {
		srcImage.src = base_path + fileName2;
	}
}

/**
* Toggles the check state of a group of boxes
*
* Checkboxes must have an id attribute in the form cb0, cb1...
* @param The number of box to 'check'
* @param An alternative field name
*/
function checkAll( n, fldName ) {
  if (!fldName) {
     fldName = 'cb';
  }
	var f = document.adminForm;
	var c = f.toggle.checked;
	var n2 = 0;
	for (i=0; i < n; i++) {
		cb = eval( 'f.' + fldName + '' + i );
		if (cb) {
			cb.checked = c;
			n2++;
		}
	}
	if (c) {
		document.adminForm.boxchecked.value = n2;
	} else {
		document.adminForm.boxchecked.value = 0;
	}
}

function checkAlg( n, fldName ) {
  if (!fldName) {
     fldName = 'ca';
  }
	var f = document.adminFormAlg;
	var c = f.toggle.checked;
	var n2 = 0;
	for (i=0; i < n; i++) {
		cb = eval( 'f.' + fldName + '' + i );
		if (cb) {
			cb.checked = c;
			n2++;
		}
	}
	if (c) {
		document.adminFormAlg.boxchecked.value = n2;
	} else {
		document.adminFormAlg.boxchecked.value = 0;
	}
}

function listItemTask( id, task ) {
    var f = document.adminForm;
    cb = eval( 'f.' + id );
    if (cb) {
        for (i = 0; true; i++) {
            cbx = eval('f.cb'+i);
            if (!cbx) break;
            cbx.checked = false;
        } // for
        cb.checked = true;
        f.boxchecked.value = 1;
        submitbutton(task);
    }
    return false;
}

function hideMainMenu()
{
	document.adminForm.hidemainmenu.value=1;
}

function isChecked(isitchecked){
	if (isitchecked == true){
		document.adminForm.boxchecked.value++;
	}
	else {
		document.adminForm.boxchecked.value--;
	}
}

function isBoxChecked(isitchecked,formx){
	afx='adminForm';
	if(formx!='') afx = afx+formx;
	f=eval("document."+afx);
	if (isitchecked == true){
		f.boxchecked.value++;
	}
	else {
		f.boxchecked.value--;
	}
}

function checkBox( n, formx, fldName) {
    if (!fldName) {
	  fldName = 'ca';
    }
	afx='adminForm';
	if(formx!='') afx = afx+formx;
	f=eval("document."+afx);

	var c = f.toggle.checked;
	var n2 = 0;
	for (i=0; i < n; i++) {
		cb = eval( 'f.' + fldName + '' + i );
		if (cb) {
			cb.checked = c;
			n2++;
		}
	}
	if (c) {
		f.boxchecked.value = n2;
	} else {
		f.boxchecked.value = 0;
	}
}

function resetAll(pressbutton,formx) {
	
	afx='adminForm';
	if(formx) afx = afx+formx;
	f=eval("document."+afx);
	f.task.value=pressbutton;
	f.onsubmit='';
	f.action='';
	f.target='';
	f.submit();
}

function resetbutton(pressbutton,formx) {
	afx='adminForm';
	if(formx) afx = afx+formx;
	f=eval("document."+afx);
	f.reset();	
	
}
/**
* Default function.  Usually would be overriden by the component
*/
function submitbutton(pressbutton,formx) {
	submitform(pressbutton,formx);
}

/**
* Submit the admin form
*/
function submitform(pressbutton,formx) {
	afx='adminForm';
	if(formx!='') afx = afx+formx;
	f=eval("document."+afx);
	f.task.value=pressbutton;
	try {
		f.onsubmit();
		}
	catch(e){}
	f.submit();
}

/**
* Validate the admin form
*/
function validateform(pressbutton,formx) {

	afx='adminForm';
	if(formx) afx = afx+formx;
	f=eval("document."+afx);
	f.task.value=pressbutton;
/*	
*/		try {
			f.onsubmit();
			}
		catch(e){
			  alert(e.message);
			}
		
		if(f.errori.value == 'noone') {
			f.submit();
		}
}

/**
* Submit the control panel admin form
*/
function submitcpform(sectionid, id){
	document.adminForm.sectionid.value=sectionid;
	document.adminForm.id.value=id;
	submitbutton("edit");
}

/******/
function changepos(pressbutton,formx,val) {
	afx='adminForm';
	if(formx) afx = afx+formx;
	f=eval("document."+afx);
	f.task.value=pressbutton;
	f.chosen.value=val;
	try {
		f.onsubmit();
		}
	catch(e){}
	f.submit();
}

function set_customization(pressbutton,formx,val) {
	afx='adminForm';
	if(formx) afx = afx+formx;
	f=eval("document."+afx);
	f.task.value=pressbutton;
	f.chosen.value=val;
	try {
		f.onsubmit();
		}
	catch(e){}
	f.submit();
}

/**
* Getting radio button that is selected.
*/
function getSelected(allbuttons){
	for (i=0;i<allbuttons.length;i++) {
		if (allbuttons[i].checked) {
			return allbuttons[i].value
		}
	}
}

// JS Calendar
var calendar = null; // remember the calendar object so that we reuse
// it and avoid creating another

// This function gets called when an end-user clicks on some date
function selected(cal, date) {
	cal.sel.value = date; // just update the value of the input field
}

// And this gets called when the end-user clicks on the _selected_ date,
// or clicks the "Close" (X) button.  It just hides the calendar without
// destroying it.
function closeHandler(cal) {
	cal.hide();			// hide the calendar

	// don't check mousedown on document anymore (used to be able to hide the
	// calendar when someone clicks outside it, see the showCalendar function).
	Calendar.removeEvent(document, "mousedown", checkCalendar);
}

// This gets called when the user presses a mouse button anywhere in the
// document, if the calendar is shown.  If the click was outside the open
// calendar this function closes it.
function checkCalendar(ev) {
	var el = Calendar.is_ie ? Calendar.getElement(ev) : Calendar.getTargetElement(ev);
	for (; el != null; el = el.parentNode)
	// FIXME: allow end-user to click some link without closing the
	// calendar.  Good to see real-time stylesheet change :)
	if (el == calendar.element || el.tagName == "A") break;
	if (el == null) {
		// calls closeHandler which should hide the calendar.
		calendar.callCloseHandler(); Calendar.stopEvent(ev);
	}
}

// This function shows the calendar under the element having the given id.
// It takes care of catching "mousedown" signals on document and hiding the
// calendar if the click was outside.
function showCalendar(id) {
	var el = document.getElementById(id);
	if (calendar != null) {
		// we already have one created, so just update it.
		calendar.hide();		// hide the existing calendar
		calendar.parseDate(el.value); // set it to a new date
	} else {
		// first-time call, create the calendar
		var cal = new Calendar(true, null, selected, closeHandler);
		calendar = cal;		// remember the calendar in the global
		cal.setRange(1900, 2070);	// min/max year allowed
		calendar.create();		// create a popup calendar
	}
	calendar.sel = el;		// inform it about the input field in use
	calendar.showAtElement(el);	// show the calendar next to the input field

	// catch mousedown on the document
	Calendar.addEvent(document, "mousedown", checkCalendar);
	return false;
}

/**
* Pops up a new window in the middle of the screen
*/
function popupWindow(mypage, myname, w, h, scroll) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
	win = window.open(mypage, myname, winprops)
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

// LTrim(string) : Returns a copy of a string without leading spaces.
function ltrim(str)
{
   var whitespace = new String(" \t\n\r");
   var s = new String(str);
   if (whitespace.indexOf(s.charAt(0)) != -1) {
      var j=0, i = s.length;
      while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
         j++;
      s = s.substring(j, i);
   }
   return s;
}

//RTrim(string) : Returns a copy of a string without trailing spaces.
function rtrim(str)
{
   var whitespace = new String(" \t\n\r");
   var s = new String(str);
   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
      var i = s.length - 1;       // Get length of string
      while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
         i--;
      s = s.substring(0, i+1);
   }
   return s;
}

// Trim(string) : Returns a copy of a string without leading or trailing spaces
function trim(str) {
   return rtrim(ltrim(str));
}

function saveorder( n ) {
	checkAll_button( n );
	submitform('saveorder');
}

//needed by saveorder function
function checkAll_button( n ) {
	for ( var j = 0; j <= n; j++ ) {
		box = eval( "document.adminForm.cb" + j );
		if ( box.checked == false ) {
			box.checked = true;
		}
	}
}
/**
* @param object A form element
* @param string The name of the element to find
*/
function getElementByName( f, name ) {
	if (f.elements) {
		for (i=0, n=f.elements.length; i < n; i++) {
			if (f.elements[i].name == name) {
				return f.elements[i];
			}
		}
	}
	return null;
}

function isValidDate_s(dateStr2)
{
	// Checks for the following valid date formats:
	// MM/DD/YY   MM/DD/YYYY   MM-DD-YY   MM-DD-YYYY
	
	var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{4})$/; // requires 4 digit year
	
	dateStr=dateStr2.value;

	var matchArray = dateStr.match(datePat); // is the format ok?
	if (matchArray == null) {
	alert(dateStr + " La data non è nel formato valido dd/mm/yyyy.")
	dateStr2.value="";
	dateStr2.focus();
	return false;
	}
	day = matchArray[1]; // parse date into variables
	month = matchArray[3];
	year = matchArray[4];
	if (month < 1 || month > 12) { // check month range
	alert("I mesi possono essere tra 1 e 12.");
	dateStr2.value="";
	dateStr2.focus();
	return false;
	}

	if (day < 1 || day > 31) {
	alert("I giorni possono essere tra 1 e 31.");
	dateStr2.value="";
	dateStr2.focus();
	return false;
	}
	if ((month==4 || month==6 || month==9 || month==11) && day==31) {
	alert("Il mese di "+month+" non ha 31 giorni!")
	dateStr2.value="";
	dateStr2.focus();
	return false;
	}
	if (month == 2) { // check for february 29th
		var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
		if (day>29 || (day==29 && !isleap)) {
		alert("Febbraio " + year + " non ha " + day + " giorni!");
		dateStr2.value="";
		dateStr2.focus();
		return false;
		}
	}
	if (day.length==1) {
	day = "0"+day
	}
	if (month.length==1) {
	month = "0"+month
	}

	dateStr2.value=day+"/"+month+"/"+year;
	return true;
//
}