/**********************************************************************
PRO$ : USE STRING MANUPILATION METHODS THAT DOES NOT EXIST IN JQUERY
***********************************************************************/
jQuery.extend({
	__stringPrototype: {
		/**
		 * ScriptFragmet, specialChar, and JSONFilter borrowed from Prototype 1.6.0.2
		 */
	 	JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
		ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
		specialChar: {
			'\b': '\\b',
			'\t': '\\t',
			'\n': '\\n',
			'\f': '\\f',
			'\r': '\\r',
			'\\': '\\\\'
		},
	
		/**
		 * Check if the string is blank (white-space only or empty).
		 * @param {String} s string to be evaluated
		 * @return {Boolean} boolean of result
		 */
		blank: function(s) {
			return /^\s*$/.test(this.s(s) || ' ');
		},
		/**
		 * Check if the string is empty.
		 * @param {String} s string to be evaluated
		 * @return {Boolean} boolean of result
		 */
		empty: function(s) {
			return this.s(s) === '';
		},
		/**
		 * escapeHTML from Prototype-1.6.0.2 -- If it's good enough for Webkit and IE, it's good enough for Gecko!
		 * Converts HTML special characters to their entity equivalents.
		 * @param {String} s string to be evaluated
		 * @return {Object} .string object (or string if internal)
		 */
		escapeHTML: function(s) {
			s = this.s(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
			return this.r(arguments,0,s);
		},
		/**
		 * Trims white space from the beginning and end of a string.
		 * @param {String} s string to be evaluated
		 * @return {Object} .string object (or string if internal)
		 */
		strip: function(s) {
			s = jQuery.trim(this.s(s));
			return this.r(arguments,0,s);
		},
		/**
		 * Strips a string of anything that looks like an HTML script block.
		 * @param {String} s string to be evaluated
		 * @return {Object} .string object (or string if internal)
		 */
		stripScripts: function(s) {
			s = this.s(s).replace(new RegExp(this.ScriptFragment, 'img'), '');
			return this.r(arguments,0,s);
		},
		/**
		 * Strips a string of any HTML tags.
		 * @param {String} s string to be evaluated
		 * @return {Object} .string object (or string if internal)
		 */
		stripTags: function(s) {
			s = this.s(s).replace(/<\/?[^>]+>/gi, '');
			return this.r(arguments,0,s);
		},
		/**
		 * Returns a string with the first count occurances of pattern replaced by either a regular string
		 * or the returned value of a function.
		 * @param {Object} pattern RegEx pattern or string to replace
		 * @param {Object} replacement string or function to replace matched patterns
		 * @param {Integer} count number of (default = 1, -1 replaces all)
		 * @param {String} s string to be evaluated
		 * @return {Object} .string object (or string if internal)
		 */
		sub: function(pattern, replacement, count, s) {
			s = this.s(s);
			if (pattern.source && !pattern.global) {
				var patternMods = (pattern.ignoreCase)?"ig":"g";
				patternMods += (pattern.multiline)?"m":"";
				pattern = new RegExp(pattern.source, patternMods);
			}
			var sarray = s.split(pattern), matches = s.match(pattern);
			if (jQuery.browser.msie) {
				if (s.indexOf(matches[0]) == 0) sarray.unshift("");
				if (s.lastIndexOf(matches[matches.length-1]) == s.length - matches[matches.length-1].length) sarray.push("");
			}
			count = (count < 0)?(sarray.length-1):count || 1;
			s = sarray[0];
			for (var i=1; i<sarray.length; i++) {
				if (i <= count) {
					if (jQuery.isFunction(replacement)) {
						s += replacement(matches[i-1] || matches) + sarray[i];
					} else { s += replacement + sarray[i]; }
				} else { s += (matches[i-1] || matches) + sarray[i]; }
			}
			return this.r(arguments,3,s);
		},
		/**
		 * Parses a URI-like query string and returns an object composed of parameter/value pairs.
		 * This method is mainly targeted at parsing query strings (hence the default value of '&'
		 * for the seperator argument). For this reason, it does not consider anything that is either
		 * before a question mark (which signals the beginning of a query string) or beyond the hash 
		 * symbol ("#"), and runs decodeURIComponent() on each parameter/value pair.
		 * @param {Object} separator string to separate parameters (default = '&')
		 * @param {Object} s
		 * @return {Object} object
		 */
		toQueryParams: function(separator, s) {
			s = this.s(s);
			var paramsList = s.substring(s.indexOf('?')+1).split('#')[0].split(separator || '&'), params = {}, i, key, value, pair;
			for (i=0; i<paramsList.length; i++) {
				pair = paramsList[i].split('=');
				key = decodeURIComponent(pair[0]);
				value = (pair[1])?decodeURIComponent(pair[1]):undefined;
				if (params[key]) {
					if (typeof params[key] == "string") { params[key] = [params[key]]; }
					params[key].push(value);
				} else { params[key] = value; }
			}
			return params;
		},
		/**
		 * Sets .str property and returns $.string object.
		 * @param {String} s string to be evaluated
		 */
		r: function(args, size, s) {
			if (args.length > size || this.str === undefined) {
				return s;
			} else {
				this.str = ''+s;
				return this;
			};
		},
		s: function(s) {
			if (s === '' || s) { return s; }
			if (this.str === '' || this.str) { return this.str; }
			return this;
		}
	},
	string: function(str) {
		if (str === String.prototype) { jQuery.extend(String.prototype, jQuery.__stringPrototype); }
		else { return jQuery.extend({ str: str }, jQuery.__stringPrototype); }
	}
});
jQuery.__stringPrototype.parseQuery = jQuery.__stringPrototype.toQueryParams;