function trim(TRIM_VALUE){



	if(TRIM_VALUE.length < 1){

		return"";

	}



	TRIM_VALUE = rTrim(TRIM_VALUE);

	TRIM_VALUE = lTrim(TRIM_VALUE);





	if(TRIM_VALUE==""){

		return "";

	} else {

		return TRIM_VALUE;

	}



}





function rTrim(VALUE){	

	var w_space = String.fromCharCode(32);

	var v_length = VALUE.length;

	var strTemp = "";





	if(v_length < 0){

		return"";

	}

	var iTemp = v_length -1;





	while(iTemp > -1){



		if(VALUE.charAt(iTemp) == w_space) {



		} else {

			strTemp = VALUE.substring(0,iTemp +1);

			break;

		}

		iTemp = iTemp-1;

	}

	return strTemp;



}





function lTrim(VALUE){

	var w_space = String.fromCharCode(32);





	if(v_length < 1){

		return"";

	}



	var v_length = VALUE.length;

	var strTemp = "";

	var iTemp = 0;





	while(iTemp < v_length){

		if(VALUE.charAt(iTemp) == w_space) {

		} else {

			strTemp = VALUE.substring(iTemp,v_length);

			break;

		}

		iTemp = iTemp + 1;

	}

	return strTemp;

}





function IsEmail(stEmail)

{

	var iAtPos, iDotPos;



	// validate email address

	iLength = stEmail.length;

	if (iLength == 0)

		return false;

	else

	{

		iAtPos = stEmail.indexOf("@")

		if (iAtPos == -1 || iAtPos == 0)

			return false;



		iDotPos = stEmail.lastIndexOf(".")

		if ((iDotPos == -1) || (iDotPos <= (iAtPos + 1)))

			return false;



		iPosDiff = (iLength - iDotPos);

		if ((iPosDiff < 3) || (iPosDiff > 5))

			return false;

	}



	return true;

}