function f_getcookieval(offset) {
        var endstr = document.cookie.indexOf (";", offset);
        if (endstr == -1) endstr = document.cookie.length;
        return unescape(document.cookie.substring(offset, endstr));
}

function f_getcookie(name) {
        var arg = name + "=";
        var alen = arg.length;
        var clen = document.cookie.length;
        var i = 0;
        while (i < clen) {
                var j = i + alen;
                if (document.cookie.substring(i, j) == arg) return f_getcookieval (j);
                i = document.cookie.indexOf(" ", i) + 1;
                if (i == 0) break;
        }
        return null;
}

function f_setcookie (name, value, expires) {
        document.cookie = name + "=" + escape (value) + ((expires == null) ? "" : ("; expires=" + expires.toGMTString()));
}
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;
   /* 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);
	  }
   }
   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) {
      err = 19;}
   /* year is wrong if year = 0000 */
   year = DateValue.substr(4,4);
   if (year == 0) {
      err = 20;
   }
   /* Validation of month*/
   month = DateValue.substr(2,2);
   if ((month < 1) || (month > 12)) {
      err = 21;
   }
   /* Validation of day*/
   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;
   }
}

function TrimLeft( str ) {
	var resultStr = "";
	var i = len = 0;

	// Return immediately if an invalid value was passed in
	if (str+"" == "undefined" || str == null)	
		return null;

	// Make sure the argument is a string
	str += "";

	if (str.length == 0) 
		resultStr = "";
	else {	
  		// Loop through string starting at the beginning as long as there
  		// are spaces.
//	  	len = str.length - 1;
		len = str.length;
		
  		while ((i <= len) && (str.charAt(i) == " "))
			i++;

   	// When the loop is done, we're sitting at the first non-space char,
 		// so return that char plus the remaining chars of the string.
  		resultStr = str.substring(i, len);
  	}

  	return resultStr;
}

function TrimLeftCeros( str ) {
	var resultStr = "";
	var i = len = 0;

	// Return immediately if an invalid value was passed in
	if (str+"" == "undefined" || str == null)	
		return null;

	// Make sure the argument is a string
	str += "";

	if (str.length == 0) 
		resultStr = "";
	else {	
  		// Loop through string starting at the beginning as long as there
  		// are spaces.
//	  	len = str.length - 1;
		len = str.length;
		
  		while ((i <= len) && (str.charAt(i) == "0"))
			i++;

   	// When the loop is done, we're sitting at the first non-space char,
 		// so return that char plus the remaining chars of the string.
  		resultStr = str.substring(i, len);
  	}

  	return resultStr;
}

function TrimLeftCeros( str ) {
	var resultStr = "";
	var i = len = 0;

	// Return immediately if an invalid value was passed in
	if (str+"" == "undefined" || str == null)	
		return null;

	// Make sure the argument is a string
	str += "";

	if (str.length == 0) 
		resultStr = "";
	else {	
  		// Loop through string starting at the beginning as long as there
  		// are spaces.
//	  	len = str.length - 1;
		len = str.length;
		
  		while ((i <= len) && (str.charAt(i) == "0"))
			i++;

   	// When the loop is done, we're sitting at the first non-space char,
 		// so return that char plus the remaining chars of the string.
  		resultStr = str.substring(i, len);
  	}

  	return resultStr;
}

 function validanumero(val) {   
	    valorstring = String(TrimLeftCeros(TrimRightPoint(val)));
		valort = TrimLeftCeros(valorstring);
		if (valort.length==0)
		{
			valorstring = "0";
			val=0;
		}
		valorentero = parseInt(val);
		if (valorstring.length>0) {
 			if (valorstring==String(valorentero)) {
					return true;
			}
			else {
				return false;
			}
		}
		else {
			return false;
		}
		return false;
	  }

function validanumerofloat(val) {
		if (validanumero(val)) { return true; }
	    valorstring = String(TrimRightPoint(TrimRightCeros(val)));
		valort = TrimLeftCeros(valorstring);
		if (valort.charAt(0)==".")
		{
			valorstring = "0" + valort;
		}
		else
		{
				valorstring=valort;
		}
		if (valorstring=="") { valorstring=0; }
//		alert(valorstring);
		if (val==0) { return true; }
		valorentero = parseFloat(val);
//		alert(valorstrion);
	  	for (i=0; i<valorstring.length;i++) {
	  	    	if (valorstring.charAt(i) == ',') {	
	  	    	  return false;
	  	    	}	  	    	 
	  	    }

		if (valorstring.length>0) {
/*				alert(valorstring);
				alert(String(valorentero));
				return false;
*/ 			if (valorstring==String(valorentero)) {
					return true;
			}
			else {
				return false;
			}
		}
		else {
			return false;
		}
		return false;
	  }
	  function validaemail(str) {
	  	j = 0;
	  	k = 0;
	  	for (i=0; i<str.length;i++) {
	  	    if (j>0) {
	  	    	if (str.charAt(i) == ".") {
	  	    	  k++;
	  	    	}
	  	    	 
	  	    }
			if (str.charAt(i) == "@") {
				j++;
			}
	  	}
	  	if ((j!=1)||(k==0)) { return false; }
	  	return true;
	  }

function TrimRight( str ) {
	var resultStr = "";
	var i = 0;

	// Return immediately if an invalid value was passed in
	if (str+"" == "undefined" || str == null)	
		return null;

	// Make sure the argument is a string
	str += "";
	
	if (str.length == 0) 
		resultStr = "";
	else {
  		// Loop through string starting at the end as long as there
  		// are spaces.
  		i = str.length - 1;
  		while ((i >= 0) && (str.charAt(i) == " "))
 			i--;
 			
 		// When the loop is done, we're sitting at the last non-space char,
 		// so return that char plus all previous chars of the string.
  		resultStr = str.substring(0, i + 1);
  	}
  	
  	return resultStr;  	
}

function TrimRightCeros( str ) {
	var resultStr = "";
	var i = 0;

	// Return immediately if an invalid value was passed in
	if (str+"" == "undefined" || str == null)	
		return null;

	// Make sure the argument is a string
	str += "";
	
	if (str.length == 0) 
		resultStr = "";
	else {
  		// Loop through string starting at the end as long as there
  		// are spaces.
  		i = str.length - 1;
  		while ((i >= 0) && (str.charAt(i) == "0"))
 			i--;
 			
 		// When the loop is done, we're sitting at the last non-space char,
 		// so return that char plus all previous chars of the string.
  		resultStr = str.substring(0, i + 1);
  	}
  	return resultStr;  	
}

function TrimRightPoint( str ) {
	var resultStr = "";
	var i = 0;

	// Return immediately if an invalid value was passed in
	if (str+"" == "undefined" || str == null)	
		return null;

	// Make sure the argument is a string
	str += "";
	
	if (str.length == 0) 
		resultStr = "";
	else {
  		// Loop through string starting at the end as long as there
  		// are spaces.
  		i = str.length - 1;
  		while ((i >= 0) && (str.charAt(i) == "."))
 			i--;
 			
 		// When the loop is done, we're sitting at the last non-space char,
 		// so return that char plus all previous chars of the string.
  		resultStr = str.substring(0, i + 1);
  	}

  	return resultStr;  	
}
	function soloCaracteresValidos(obj)
	{
		var strtmp="";
		str = String(obj.value);	
		for (i=0;i<str.length;i++)
		{
			var c = str.charAt(i);
			if (((c=='1')||(c=='2')||(c=='3')||(c=='4')||(c=='5')||(c=='6')||(c=='7')||(c=='8')||(c=='9')||(c=='0')
				||(c=='a')||(c=='b')||(c=='c')||(c=='d')||(c=='e')||(c=='f')||(c=='g')||(c=='h')||(c=='i')||(c=='j')
				||(c=='k')||(c=='l')||(c=='m')||(c=='n')||(c=='o')||(c=='p')||(c=='q')||(c=='r')||(c=='s')||(c=='t')
				||(c=='u')||(c=='v')||(c=='w')||(c=='x')||(c=='y')||(c=='z')
				||(c=='A')||(c=='B')||(c=='C')||(c=='D')||(c=='E')||(c=='F')||(c=='G')||(c=='H')||(c=='I')||(c=='J')
				||(c=='K')||(c=='L')||(c=='M')||(c=='N')||(c=='O')||(c=='P')||(c=='Q')||(c=='R')||(c=='S')||(c=='T')
				||(c=='U')||(c=='V')||(c=='W')||(c=='X')||(c=='Y')||(c=='Z')
				||(c=='.')||(c=='@')||(c=='-')||(c==' ')||(c==',')||(c=='"')||(c=='#')||(c=='°')||(c=='!')||(c=='?')||(c=='_'))
				||(c==CHR(13)))
			{
				strtmp = strtmp + c;
			}
		}
		obj.value = strtmp;
		return true;
	}
	function soloCaracteresValidosNumeros(obj)
	{
		var strtmp="";
		str = String(obj.value);	
		for (i=0;i<str.length;i++)
		{
			var c = str.charAt(i);
			if ((c=='1')||(c=='2')||(c=='3')||(c=='4')||(c=='5')||(c=='6')||(c=='7')||(c=='8')||(c=='9')||(c=='0'))
			{
				strtmp = strtmp + c;
			}
		}
		obj.value = strtmp;
		return true;
	}
	function soloCaracteresValidosNumerosFloat(obj)
	{
		var strtmp="";
		str = String(obj.value);	
		for (i=0;i<str.length;i++)
		{
			var c = str.charAt(i);
			if ((c=='1')||(c=='2')||(c=='3')||(c=='4')||(c=='5')||(c=='6')||(c=='7')||(c=='8')||(c=='9')||(c=='0')||(c=='.'))
			{
				strtmp = strtmp + c;
			}
		}
		obj.value = strtmp;
		return true;
	}

function Trim( str ) {
	var resultStr = "";
	
	resultStr = TrimLeft(str);
	resultStr = TrimRight(resultStr);
	
	return resultStr;
}