function LTrim(str)
{
	for (var i=0; ((str.charAt(i)<=" ")&&(str.charAt(i)!="")); i++);
	return str.substring(i,str.length);
}
function RTrim(str)
{
	for (var i=str.length-1; ((str.charAt(i)<=" ")&&(str.charAt(i)!="")); i--);
	return str.substring(0,i+1);
}
function Trim(str)
{
	return LTrim(RTrim(str));
}
function StripSQLChars(str)
{
	var tstr = new String ;
	for (var i=0; i < str.length; i++)
	{
		if( str.charAt(i) == "'" )
			;
		else if( str.charAt(i) == "\"" )
			;
		else
			tstr = tstr + str.charAt(i) ;
	}
	return tstr ;
}
function StripSQLCharsObj(obj)
{
	var str = obj.value ;
	var tstr = new String ;
	for (var i=0; i < str.length; i++)
	{
		if( str.charAt(i) == "'" )
			;
		else if( str.charAt(i) == "\"" )
			;
		else
			tstr = tstr + str.charAt(i) ;
	}
	obj.value = tstr ;
}
function IsNumeric(inputcontrol)
{
	var sText = inputcontrol.value ;
	var ValidChars = "0123456789.";
	var IsNumber=true;
	var Char;


	for (i = 0; i < sText.length && IsNumber == true; i++)
	{
		Char = sText.charAt(i);
		if (ValidChars.indexOf(Char) == -1)
		{
			IsNumber = false;
		}
	}
	if( IsNumber == false )
	{
		alert( "Numeric value is required" ) ;
		inputcontrol.value = "" ;
		inputcontrol.focus() ;
	}
}