function isNumber(number) 
{
	for (i=0; i<parseInt(number.length); i++)
	{
		if ((number.charAt(i) > "9" || number.charAt(i) < "0") && number.charAt(i) != ".")
		{
			return false;
		}
	}

	return true;
}


function trim(inputString)
{
   // Removes leading and trailing spaces from the passed string. Also removes
   // consecutive spaces and replaces it with one space. If something besides
   // a string is passed in (null, custom object, etc.) then return the input.
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { // Check for spaces at the beginning of the string
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { // Check for spaces at the end of the string
      retValue = retValue.substring(0, retValue.length-1);
      ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
   }
   return retValue; // Return the trimmed string back to the user
}

function ACLmixedCase(mystring)
{
    mystring = trim(mystring);
 
    if (mystring!="" && (mystring == mystring.toUpperCase() || mystring == mystring.toLowerCase()))
    {
        mystring = mystring.substring(0,1).toUpperCase() + mystring.substring(1).toLowerCase();
 
        for ( x = 0; x < mystring.length; x++ )
        {
            if ( mystring.substring(x,x+1) == " " )
            {
                mystring =  mystring.substring(0,x+1) + mystring.substring(x+1,x+2).toUpperCase() + mystring.substring(x+2,mystring.length) ;
            }
        }
    }
 
    return mystring;
}

function ACLupperCase(mystring)
{
    mystring = trim(mystring);
 
    mystring = mystring.toUpperCase();
 
    return mystring;
}

function ACLlowerCase(mystring)
{
    mystring = trim(mystring);
 
    mystring = mystring.toLowerCase();
 
    return mystring;
}