function GetInnerText (node){
	return (node.textContent || node.innerText || node.text) ;
}

function getById(attr_id){ // Cross browser dom function
	if(document.getElementById) return document.getElementById(attr_id);
	if(document.all)            return document.all[attr_id];
}

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("Il formato della data deve essere gg/mm/aaaa")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Inserisci un mese valido")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Inserisci un giorno valido")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Inserisci l'anno su 4 cifre tra il "+minYear+" ed il "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Inserisci una data valida")
		return false
	}
return true
}


function open_popup(page){
	window.open(page,'m2m','width=400,height=300,resizable=no,statusbar=no,scrollbars=yes');
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function TreeNode(gruppo, immagine){
	var stile;
	if (gruppo.style.display=="none"){stile="";immagine.src='/images/msc_tree_minus.gif';}
	else{stile="none";immagine.src='/images/msc_tree_plus.gif'};
	gruppo.style.display=stile;
}

function InfoNode(gruppo){
	var stile;
	if (gruppo.style.display=="none"){stile="";}
	else{stile="none";}
	gruppo.style.display=stile;
}


function checkNumeric(objName,minval, maxval,comma,period,hyphen) 
{
	var numberfield = objName;
	if (chkNumeric(objName,minval,maxval,comma,period,hyphen) == false) 
	{
		numberfield.select();
		numberfield.focus();
		return false;
	}
	else
	{
		return true;
	}
}

function chkNumeric(objName,minval,maxval,comma,period,hyphen) 
{
  // only allow 0-9 be entered, plus any values passed 
  // (can be in any order, and don't have to be comma, period, or hyphen)
  // if all numbers allow commas, periods, hyphens or whatever, 
  // just hard code it here and take out the passed parameters
  var checkOK = "0123456789" + comma + period + hyphen;
  var checkStr = objName;
  var allValid = true;
  var decPoints = 0;
  var allNum = "";

  for (i = 0;  i < checkStr.value.length;  i++)
  {
    ch = checkStr.value.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    //if (ch != ",")
    if (ch != ".")
      allNum += ch;
  }
  if (!allValid)
  {	
   alertsay = "Please enter only these values \""
   alertsay = alertsay + checkOK + "\" in the \"" + checkStr.name + "\" field."
   alert(alertsay);
   return (false);
  }

  // set the minimum and maximum
  var chkVal = allNum;
  var prsVal = parseInt(allNum);
  if (chkVal != "" && !(prsVal >= minval && prsVal <= maxval))
  {
   alertsay = "Please enter a value greater than or "
   alertsay = alertsay + "equal to \"" + minval + "\" and less than or "
   alertsay = alertsay + "equal to \"" + maxval + "\" in the \"" + checkStr.name + "\" field."
   alert(alertsay);
   return (false);
  }
}

//FormatNumber(Expression, NumDigitsAfterDecimal, IncludeLeadingDigit, UseParensForNegativeNumbers, GroupDigits)
//======================================================================
function FormatNumber(num, decimalNum, bolLeadingZero, bolParens, bolThousands)
/**********************************************************************
	IN:
		NUM - the number to format
		decimalNum - the number of decimal places to format the number to
		bolLeadingZero - true / false - display a leading zero for
										numbers between -1 and 1
		bolParens - true / false - use parenthesis around negative numbers
		bolCommas - put commas as number separators.
 
	RETVAL:
		The formatted number!
 **********************************************************************/
{ 
    if (isNaN(parseInt(num))) return "NaN";
	var tmpNum = num.toFixed(parseInt(decimalNum));

//	// Adjust number so only the specified number of numbers after
//	// the decimal point are shown.
//	var tmpNum = num;
//	var iSign = num < 0 ? -1 : 1;		// Get sign of number
//	
//	tmpNum *= Math.pow(10,decimalNum);
//	tmpNum = Math.round(Math.abs(tmpNum))
//	tmpNum /= Math.pow(10,decimalNum);
//	tmpNum *= iSign;					// Readjust for sign
	
	
	// Create a string object to do our formatting on
	var tmpNumStr = new String(tmpNum);
	tmpNumStr=tmpNumStr.replace('.', ',');

	// See if we need to strip out the leading zero or not.
	if (!bolLeadingZero && num < 1 && num > -1 && num != 0)
		if (num > 0)
			tmpNumStr = tmpNumStr.substring(1,tmpNumStr.length);
		else
			tmpNumStr = "-" + tmpNumStr.substring(2,tmpNumStr.length);
		
	// See if we need to put in the commas
	if (bolThousands && (num >= 1000 || num <= -1000)) {
		var iStart = tmpNumStr.indexOf(",");
		if (iStart < 0)
			iStart = tmpNumStr.length;

		iStart -= 3;
		while (iStart >= 1) {
			tmpNumStr = tmpNumStr.substring(0,iStart) + "." + tmpNumStr.substring(iStart,tmpNumStr.length)
			iStart -= 3;
		}		
	}

	// See if we need to use parenthesis
	if (bolParens && num < 0)
		tmpNumStr = "(" + tmpNumStr.substring(1,tmpNumStr.length) + ")";

	return tmpNumStr;		// Return our formatted string!
}