/*	Copyright (c) 2004-2006, The Dojo Foundation	All Rights Reserved.	Licensed under the Academic Free License version 2.1 or above OR the	modified BSD license. For more information on Dojo licensing, see:		http://dojotoolkit.org/community/licensing.shtml*/dojo.provide("dojo.string.common");dojo.require("dojo.string");/** * Trim whitespace from 'str'. If 'wh' > 0, * only trim from start, if 'wh' < 0, only trim * from end, otherwise trim both ends */dojo.string.trim = function(str, wh){	if(!str.replace){ return str; }	if(!str.length){ return str; }	var re = (wh > 0) ? (/^\s+/) : (wh < 0) ? (/\s+$/) : (/^\s+|\s+$/g);	return str.replace(re, "");}/** * Trim whitespace at the beginning of 'str' */dojo.string.trimStart = function(str) {	return dojo.string.trim(str, 1);}/** * Trim whitespace at the end of 'str' */dojo.string.trimEnd = function(str) {	return dojo.string.trim(str, -1);}/** * Return 'str' repeated 'count' times, optionally * placing 'separator' between each rep */dojo.string.repeat = function(str, count, separator) {	var out = "";	for(var i = 0; i < count; i++) {		out += str;		if(separator && i < count - 1) {			out += separator;		}	}	return out;}/** * Pad 'str' to guarantee that it is at least 'len' length * with the character 'c' at either the start (dir=1) or * end (dir=-1) of the string */dojo.string.pad = function(str, len/*=2*/, c/*='0'*/, dir/*=1*/) {	var out = String(str);	if(!c) {		c = '0';	}	if(!dir) {		dir = 1;	}	while(out.length < len) {		if(dir > 0) {			out = c + out;		} else {			out += c;		}	}	return out;}/** same as dojo.string.pad(str, len, c, 1) */dojo.string.padLeft = function(str, len, c) {	return dojo.string.pad(str, len, c, 1);}/** same as dojo.string.pad(str, len, c, -1) */dojo.string.padRight = function(str, len, c) {	return dojo.string.pad(str, len, c, -1);}