// check ob der übergebene String eine gültige Emailadresse ist
// es darf auch kein leerer string sein

function CheckEmailObbl(sEmail){
	var txt_muster = /.+@.+\..+/;
	if (sEmail != ""){
		if (txt_muster.exec(sEmail))
			return (true)
		else
			return (false)
	}
	 else
		return (false)	
}

function CheckPwd(sText){
	//var txt_muster = /\W/;
	var txt_muster = /[a-zA-Z0-9_!§$&/()=?,.-;:#+]/;
	if (sText != ""){
		if (txt_muster.exec(sText))
			return (true)
		else
			return (false)
	}
	 else
		return (false)	
}
	

function IsNumeric(strString)
				//  check for valid numeric strings	
				{
				var strValidChars = "0123456789.,-";
				var strChar;
				var blnResult = true;

				if (strString.length == 0) return true;

				//  test strString consists of valid characters listed above
				for (i = 0; i < strString.length && blnResult == true; i++)
				   {
				   strChar = strString.charAt(i);
				   if (strValidChars.indexOf(strChar) == -1)
				      {
				      blnResult = false;
				      }
				   }
				return blnResult;
				}


function IsInteger(strString)
				//  check for valid numeric strings	
				{
				var strValidChars = "0123456789";
				var strChar;
				var blnResult = true;

				if (strString.length == 0) return true;

				//  test strString consists of valid characters listed above
				for (i = 0; i < strString.length && blnResult == true; i++)
				   {
				   strChar = strString.charAt(i);
				   if (strValidChars.indexOf(strChar) == -1)
				      {
				      blnResult = false;
				      }
				   }
				return blnResult;
				}

function SetDuration(n){
						
						var dNow = new Date();
						var dToday = dNow.getTime();
						var dNewDate = dToday + (n * 24 * 60 * 60 * 1000);
						dNow.setTime(dNewDate);
						var iYear = dNow.getFullYear();
						var iMonth = dNow.getMonth() + 1;
						var iDay = dNow.getDate();

						var NewDate = iDay + "."
						if (iMonth <= 9) NewDate = NewDate + "0" 
						NewDate = NewDate + iMonth + "." + iYear
						
						document.getElementById('lblDuration').innerHTML = NewDate;
					}