function LTrim(str)
/***
        PURPOSE: Remove leading blanks from our string.
        IN: str - the string we want to LTrim

        RETVAL: An LTrimmed string!
***/
{
        var whitespace = new String(" \t\n\r");

        var s = new String(str);

        if (whitespace.indexOf(s.charAt(0)) != -1) {
            // We have a string with leading blank(s)...

            var j=0, i = s.length;

            // Iterate from the far left of string until we
            // don't have any more whitespace...
            while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
                j++;


            // Get the substring from the first non-whitespace
            // character to the end of the string...
            s = s.substring(j, i);
        }

        return s;
}


function RTrim(str)
/***
        PURPOSE: Remove trailing blanks from our string.
        IN: str - the string we want to RTrim

        RETVAL: An RTrimmed string!
***/
{
        // We don't want to trip JUST spaces, but also tabs,
        // line feeds, etc.  Add anything else you want to
        // "trim" here in Whitespace
        var whitespace = new String(" \t\n\r");

        var s = new String(str);

        if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
            // We have a string with trailing blank(s)...

            var i = s.length - 1;       // Get length of string

            // Iterate from the far right of string until we
            // don't have any more whitespace...
            while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
                i--;


            // Get the substring from the front of the string to
            // where the last non-whitespace character is...
            s = s.substring(0, i+1);
        }

        return s;
}


function Trim(str)
/***
        PURPOSE: Remove trailing and leading blanks from our string.
        IN: str - the string we want to Trim

        RETVAL: A Trimmed string!
***/
{
        return RTrim(LTrim(str));
}

function StripChar(vIn) 
{
	var vResult = "";
	var I,vCharCode;
	var vTemp;
	
	vTemp = Trim(vIn.toUpperCase());
	if (vTemp.length < 1) return vTemp;
	for(I=0;I< vTemp.length;I++)
	{	
		vCharCode = vTemp.charCodeAt (I);
		if ((vCharCode >= 48 && vCharCode <= 57) || (vCharCode >= 65 && vCharCode <= 90)) 
			vResult = vResult + vTemp.charAt(I);
		
	}
	return vResult;
}

function StripNonNum(vIn) 
{
	var vResult = "";
	var I,vCharCode;
	var vTemp;
	
	vTemp = Trim(vIn.toUpperCase());
	if (vTemp.length < 1) return vTemp;
	for(I=0;I< vTemp.length;I++)
	{	
		vCharCode = vTemp.charCodeAt (I);  
		if ((vCharCode >= 48 && vCharCode <= 57) || vCharCode == 46 || vCharCode == 45) 
			vResult = vResult + vTemp.charAt(I);
		
	}
	return vResult;
}