rs = (typeof rs == "undefined") ? {} : rs;
wp = (typeof wp == "undefined") ? {media: false} : wp; //for WP < 3.5

rs.helpers = {
	uniqid: function(){
		return (new Date()).getTime();
	},
	files: {
		basename: function(url){
			return typeof(url) != "string" ? "" : url.replace( /.*\//, "" ).replace(/\..*/,"");
		},
		extension: function(url){
			return (typeof(url) != "string" || url.lastIndexOf('.') == -1) ? "" : url.subtring(url.lastIndexOf('.'));
		},
		isImage: function(url){
			return typeof(url) == "string" && url != "" && url.match(/^.+\.((jpg)|(jpeg)|(jpe)|(png)|(bmp)|(tif)|(tiff)|(gif)|(ico))$/i) != null;
		},
		isAudio: function(url){
			return typeof(url) == "string" && url != "" && url.match(/^.+\.((mp3)|(m4a)|(m4b)|(ra)|(ram)|(wav)|(ogg)|(oga)|(mid)|(midi)|(wma)|(wax)|(mka))$/i) != null;
		},
		isVideo: function(url){
			return typeof(url) == "string" && url != "" && url.match(/^.+\.((asf)|(asx)|(wmv)|(wmx)|(wm)|(avi)|(divx)|(flv)|(mov)|(qt)|(mpeg)|(mpg)|(mpe)|(mp4)|(m4v)|(ogv)|(webm)|(mkv))$/i) != null;
		},
		isDoc: function(url){
			return typeof(url) == "string" && url != "" && url.match(/^.+\.((doc)|(xls)|(ppt)|(docx)|(xlsx)|(pptx)|(pdf)|(one)|(odt)|(odp)|(ods)|(odg)|(odc)|(odb)|(odf))$/i) != null;
		},
		isText: function(url){
			return typeof(url) == "string" && url != "" && url.match(/^.+\.((txt)|(asc)|(c)|(cc)|(h)|(csv)|(tsv)|(ics)|(rtx)|(css)|(html)|(htm))$/i) != null;
		},
		isFile: function(url){
			return typeof(url) == "string" && url != "" && url.match(/^.+\.[a-z]+$/i) != null;
		},
		isLocalFile: function(url){
			var a = document.createElement('a');
			a.href = url;
			return window.location.host == a.host;
		}
	},
	string: {
		diacritics: [
			{'base':'A', 'letters':/[\u0041\u24B6\uFF21\u00C0\u00C1\u00C2\u1EA6\u1EA4\u1EAA\u1EA8\u00C3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\u00C4\u01DE\u1EA2\u00C5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6F]/g},
			{'base':'AA','letters':/[\uA732]/g},
			{'base':'AE','letters':/[\u00C6\u01FC\u01E2]/g},
			{'base':'AO','letters':/[\uA734]/g},
			{'base':'AU','letters':/[\uA736]/g},
			{'base':'AV','letters':/[\uA738\uA73A]/g},
			{'base':'AY','letters':/[\uA73C]/g},
			{'base':'B', 'letters':/[\u0042\u24B7\uFF22\u1E02\u1E04\u1E06\u0243\u0182\u0181]/g},
			{'base':'C', 'letters':/[\u0043\u24B8\uFF23\u0106\u0108\u010A\u010C\u00C7\u1E08\u0187\u023B\uA73E]/g},
			{'base':'D', 'letters':/[\u0044\u24B9\uFF24\u1E0A\u010E\u1E0C\u1E10\u1E12\u1E0E\u0110\u018B\u018A\u0189\uA779]/g},
			{'base':'DZ','letters':/[\u01F1\u01C4]/g},
			{'base':'Dz','letters':/[\u01F2\u01C5]/g},
			{'base':'E', 'letters':/[\u0045\u24BA\uFF25\u00C8\u00C9\u00CA\u1EC0\u1EBE\u1EC4\u1EC2\u1EBC\u0112\u1E14\u1E16\u0114\u0116\u00CB\u1EBA\u011A\u0204\u0206\u1EB8\u1EC6\u0228\u1E1C\u0118\u1E18\u1E1A\u0190\u018E]/g},
			{'base':'F', 'letters':/[\u0046\u24BB\uFF26\u1E1E\u0191\uA77B]/g},
			{'base':'G', 'letters':/[\u0047\u24BC\uFF27\u01F4\u011C\u1E20\u011E\u0120\u01E6\u0122\u01E4\u0193\uA7A0\uA77D\uA77E]/g},
			{'base':'H', 'letters':/[\u0048\u24BD\uFF28\u0124\u1E22\u1E26\u021E\u1E24\u1E28\u1E2A\u0126\u2C67\u2C75\uA78D]/g},
			{'base':'I', 'letters':/[\u0049\u24BE\uFF29\u00CC\u00CD\u00CE\u0128\u012A\u012C\u0130\u00CF\u1E2E\u1EC8\u01CF\u0208\u020A\u1ECA\u012E\u1E2C\u0197]/g},
			{'base':'J', 'letters':/[\u004A\u24BF\uFF2A\u0134\u0248]/g},
			{'base':'K', 'letters':/[\u004B\u24C0\uFF2B\u1E30\u01E8\u1E32\u0136\u1E34\u0198\u2C69\uA740\uA742\uA744\uA7A2]/g},
			{'base':'L', 'letters':/[\u004C\u24C1\uFF2C\u013F\u0139\u013D\u1E36\u1E38\u013B\u1E3C\u1E3A\u0141\u023D\u2C62\u2C60\uA748\uA746\uA780]/g},
			{'base':'LJ','letters':/[\u01C7]/g},
			{'base':'Lj','letters':/[\u01C8]/g},
			{'base':'M', 'letters':/[\u004D\u24C2\uFF2D\u1E3E\u1E40\u1E42\u2C6E\u019C]/g},
			{'base':'N', 'letters':/[\u004E\u24C3\uFF2E\u01F8\u0143\u00D1\u1E44\u0147\u1E46\u0145\u1E4A\u1E48\u0220\u019D\uA790\uA7A4]/g},
			{'base':'NJ','letters':/[\u01CA]/g},
			{'base':'Nj','letters':/[\u01CB]/g},
			{'base':'O', 'letters':/[\u004F\u24C4\uFF2F\u00D2\u00D3\u00D4\u1ED2\u1ED0\u1ED6\u1ED4\u00D5\u1E4C\u022C\u1E4E\u014C\u1E50\u1E52\u014E\u022E\u0230\u00D6\u022A\u1ECE\u0150\u01D1\u020C\u020E\u01A0\u1EDC\u1EDA\u1EE0\u1EDE\u1EE2\u1ECC\u1ED8\u01EA\u01EC\u00D8\u01FE\u0186\u019F\uA74A\uA74C]/g},
			{'base':'OI','letters':/[\u01A2]/g},
			{'base':'OO','letters':/[\uA74E]/g},
			{'base':'OU','letters':/[\u0222]/g},
			{'base':'P', 'letters':/[\u0050\u24C5\uFF30\u1E54\u1E56\u01A4\u2C63\uA750\uA752\uA754]/g},
			{'base':'Q', 'letters':/[\u0051\u24C6\uFF31\uA756\uA758\u024A]/g},
			{'base':'R', 'letters':/[\u0052\u24C7\uFF32\u0154\u1E58\u0158\u0210\u0212\u1E5A\u1E5C\u0156\u1E5E\u024C\u2C64\uA75A\uA7A6\uA782]/g},
			{'base':'S', 'letters':/[\u0053\u24C8\uFF33\u1E9E\u015A\u1E64\u015C\u1E60\u0160\u1E66\u1E62\u1E68\u0218\u015E\u2C7E\uA7A8\uA784]/g},
			{'base':'T', 'letters':/[\u0054\u24C9\uFF34\u1E6A\u0164\u1E6C\u021A\u0162\u1E70\u1E6E\u0166\u01AC\u01AE\u023E\uA786]/g},
			{'base':'TZ','letters':/[\uA728]/g},
			{'base':'U', 'letters':/[\u0055\u24CA\uFF35\u00D9\u00DA\u00DB\u0168\u1E78\u016A\u1E7A\u016C\u00DC\u01DB\u01D7\u01D5\u01D9\u1EE6\u016E\u0170\u01D3\u0214\u0216\u01AF\u1EEA\u1EE8\u1EEE\u1EEC\u1EF0\u1EE4\u1E72\u0172\u1E76\u1E74\u0244]/g},
			{'base':'V', 'letters':/[\u0056\u24CB\uFF36\u1E7C\u1E7E\u01B2\uA75E\u0245]/g},
			{'base':'VY','letters':/[\uA760]/g},
			{'base':'W', 'letters':/[\u0057\u24CC\uFF37\u1E80\u1E82\u0174\u1E86\u1E84\u1E88\u2C72]/g},
			{'base':'X', 'letters':/[\u0058\u24CD\uFF38\u1E8A\u1E8C]/g},
			{'base':'Y', 'letters':/[\u0059\u24CE\uFF39\u1EF2\u00DD\u0176\u1EF8\u0232\u1E8E\u0178\u1EF6\u1EF4\u01B3\u024E\u1EFE]/g},
			{'base':'Z', 'letters':/[\u005A\u24CF\uFF3A\u0179\u1E90\u017B\u017D\u1E92\u1E94\u01B5\u0224\u2C7F\u2C6B\uA762]/g},
			{'base':'a', 'letters':/[\u0061\u24D0\uFF41\u1E9A\u00E0\u00E1\u00E2\u1EA7\u1EA5\u1EAB\u1EA9\u00E3\u0101\u0103\u1EB1\u1EAF\u1EB5\u1EB3\u0227\u01E1\u00E4\u01DF\u1EA3\u00E5\u01FB\u01CE\u0201\u0203\u1EA1\u1EAD\u1EB7\u1E01\u0105\u2C65\u0250]/g},
			{'base':'aa','letters':/[\uA733]/g},
			{'base':'ae','letters':/[\u00E6\u01FD\u01E3]/g},
			{'base':'ao','letters':/[\uA735]/g},
			{'base':'au','letters':/[\uA737]/g},
			{'base':'av','letters':/[\uA739\uA73B]/g},
			{'base':'ay','letters':/[\uA73D]/g},
			{'base':'b', 'letters':/[\u0062\u24D1\uFF42\u1E03\u1E05\u1E07\u0180\u0183\u0253]/g},
			{'base':'c', 'letters':/[\u0063\u24D2\uFF43\u0107\u0109\u010B\u010D\u00E7\u1E09\u0188\u023C\uA73F\u2184]/g},
			{'base':'d', 'letters':/[\u0064\u24D3\uFF44\u1E0B\u010F\u1E0D\u1E11\u1E13\u1E0F\u0111\u018C\u0256\u0257\uA77A]/g},
			{'base':'dz','letters':/[\u01F3\u01C6]/g},
			{'base':'e', 'letters':/[\u0065\u24D4\uFF45\u00E8\u00E9\u00EA\u1EC1\u1EBF\u1EC5\u1EC3\u1EBD\u0113\u1E15\u1E17\u0115\u0117\u00EB\u1EBB\u011B\u0205\u0207\u1EB9\u1EC7\u0229\u1E1D\u0119\u1E19\u1E1B\u0247\u025B\u01DD]/g},
			{'base':'f', 'letters':/[\u0066\u24D5\uFF46\u1E1F\u0192\uA77C]/g},
			{'base':'g', 'letters':/[\u0067\u24D6\uFF47\u01F5\u011D\u1E21\u011F\u0121\u01E7\u0123\u01E5\u0260\uA7A1\u1D79\uA77F]/g},
			{'base':'h', 'letters':/[\u0068\u24D7\uFF48\u0125\u1E23\u1E27\u021F\u1E25\u1E29\u1E2B\u1E96\u0127\u2C68\u2C76\u0265]/g},
			{'base':'hv','letters':/[\u0195]/g},
			{'base':'i', 'letters':/[\u0069\u24D8\uFF49\u00EC\u00ED\u00EE\u0129\u012B\u012D\u00EF\u1E2F\u1EC9\u01D0\u0209\u020B\u1ECB\u012F\u1E2D\u0268\u0131]/g},
			{'base':'j', 'letters':/[\u006A\u24D9\uFF4A\u0135\u01F0\u0249]/g},
			{'base':'k', 'letters':/[\u006B\u24DA\uFF4B\u1E31\u01E9\u1E33\u0137\u1E35\u0199\u2C6A\uA741\uA743\uA745\uA7A3]/g},
			{'base':'l', 'letters':/[\u006C\u24DB\uFF4C\u0140\u013A\u013E\u1E37\u1E39\u013C\u1E3D\u1E3B\u017F\u0142\u019A\u026B\u2C61\uA749\uA781\uA747]/g},
			{'base':'lj','letters':/[\u01C9]/g},
			{'base':'m', 'letters':/[\u006D\u24DC\uFF4D\u1E3F\u1E41\u1E43\u0271\u026F]/g},
			{'base':'n', 'letters':/[\u006E\u24DD\uFF4E\u01F9\u0144\u00F1\u1E45\u0148\u1E47\u0146\u1E4B\u1E49\u019E\u0272\u0149\uA791\uA7A5]/g},
			{'base':'nj','letters':/[\u01CC]/g},
			{'base':'o', 'letters':/[\u006F\u24DE\uFF4F\u00F2\u00F3\u00F4\u1ED3\u1ED1\u1ED7\u1ED5\u00F5\u1E4D\u022D\u1E4F\u014D\u1E51\u1E53\u014F\u022F\u0231\u00F6\u022B\u1ECF\u0151\u01D2\u020D\u020F\u01A1\u1EDD\u1EDB\u1EE1\u1EDF\u1EE3\u1ECD\u1ED9\u01EB\u01ED\u00F8\u01FF\u0254\uA74B\uA74D\u0275]/g},
			{'base':'oi','letters':/[\u01A3]/g},
			{'base':'ou','letters':/[\u0223]/g},
			{'base':'oo','letters':/[\uA74F]/g},
			{'base':'p','letters':/[\u0070\u24DF\uFF50\u1E55\u1E57\u01A5\u1D7D\uA751\uA753\uA755]/g},
			{'base':'q','letters':/[\u0071\u24E0\uFF51\u024B\uA757\uA759]/g},
			{'base':'r','letters':/[\u0072\u24E1\uFF52\u0155\u1E59\u0159\u0211\u0213\u1E5B\u1E5D\u0157\u1E5F\u024D\u027D\uA75B\uA7A7\uA783]/g},
			{'base':'s','letters':/[\u0073\u24E2\uFF53\u00DF\u015B\u1E65\u015D\u1E61\u0161\u1E67\u1E63\u1E69\u0219\u015F\u023F\uA7A9\uA785\u1E9B]/g},
			{'base':'t','letters':/[\u0074\u24E3\uFF54\u1E6B\u1E97\u0165\u1E6D\u021B\u0163\u1E71\u1E6F\u0167\u01AD\u0288\u2C66\uA787]/g},
			{'base':'tz','letters':/[\uA729]/g},
			{'base':'u','letters':/[\u0075\u24E4\uFF55\u00F9\u00FA\u00FB\u0169\u1E79\u016B\u1E7B\u016D\u00FC\u01DC\u01D8\u01D6\u01DA\u1EE7\u016F\u0171\u01D4\u0215\u0217\u01B0\u1EEB\u1EE9\u1EEF\u1EED\u1EF1\u1EE5\u1E73\u0173\u1E77\u1E75\u0289]/g},
			{'base':'v','letters':/[\u0076\u24E5\uFF56\u1E7D\u1E7F\u028B\uA75F\u028C]/g},
			{'base':'vy','letters':/[\uA761]/g},
			{'base':'w','letters':/[\u0077\u24E6\uFF57\u1E81\u1E83\u0175\u1E87\u1E85\u1E98\u1E89\u2C73]/g},
			{'base':'x','letters':/[\u0078\u24E7\uFF58\u1E8B\u1E8D]/g},
			{'base':'y','letters':/[\u0079\u24E8\uFF59\u1EF3\u00FD\u0177\u1EF9\u0233\u1E8F\u00FF\u1EF7\u1E99\u1EF5\u01B4\u024F\u1EFF]/g},
			{'base':'z','letters':/[\u007A\u24E9\uFF5A\u017A\u1E91\u017C\u017E\u1E93\u1E95\u01B6\u0225\u0240\u2C6C\uA763]/g}
		],
		trim: function(text, ch){
			if(ch != undefined){
				return text.replace(new RegExp("^" + ch + "+|" + ch + "+$", "g"), "");
			}
			return text.replace(/^\s+|\s+$/g, "");
		},
		sanitize: function(text){
			if(typeof text != 'string') return text;
			for(var i in rs.helpers.string.diacritics){
				text = text.replace(rs.helpers.string.diacritics[i].letters, rs.helpers.string.diacritics[i].base);
			}
			text = text.replace(/\W/g, "-").replace(/--+/g, "-");
			return rs.helpers.string.trim(text, "-")
		}
	},
	request: { },
	isRefresh: false,
	checkConditionalLogic: function(value, rules){
		function checkConditionalLogic(value, rule, equal, case_sensitive){
			rule = case_sensitive ? rule.toString().toLowerCase() : rule.toString();
			rule = rule.replace(/\|\|/g, 'RS{1}').split('|');
			
			var match = false;
			for(var i in rule){
				var submatch = true;
				var subrule = rule[i].replace(/&&/g, 'RS{2}').replace(/RS{1\}/g, '|').split('&');
				for(var j in subrule){
					submatch = submatch && value.indexOf(subrule[j].replace(/RS{2\}/g, '&')) >= 0;
				}
				match = match || submatch;
			}
			return equal ? match : !match;
		}
		
		if(rules == undefined) return true;
		
		var match = true;
		var case_sensitive = rules['i'] || false;
		
		if(case_sensitive && jQuery.isArray(value)){
			for(var i in value){
				value[i] = value[i].toString().toLowerCase();
			}
		}	
		else if(case_sensitive){
			value = [value.toString().toLowerCase()];
		}
		else if(!jQuery.isArray(value)){
			value = [value];
		}
		
		if(rules['equal'] != undefined){
			match = checkConditionalLogic(value, rules['equal'], true, case_sensitive);
		}
		if(match && rules['not'] != undefined){
			match = checkConditionalLogic(value, rules['not'], false, case_sensitive);
		}
  
		return match;
	},
	rebuildControls: function(selector){
		jQuery(document).trigger('rs-control-rebuild', selector || document);
	},
	isSiteUrl: function(url){
		return url.indexOf('http') != 0 || url.indexOf(rs.wordpress.home_url) == 0;
	},
	getControlByName: function(name){
		name = rs.data['field-referent'] ? rs.data['field-referent'][name] || name : name;
		return jQuery('[name="' + name + '"]');
	}
};

rs.data = [];

rs.addConditionalLogic = function(name, data){
	if(!rs.data['conditional-logic']){
		rs.data['conditional-logic'] = [];
	}
	rs.data['conditional-logic'][name] = data;
};

rs.message = function(text){
	var msg = jQuery('<div class="rs-messager"></div>').html(text).appendTo('body');
	msg.css({
		marginTop: -msg.outerHeight() /2,
		marginLeft: -msg.outerWidth() /2
	});
	
	var others = jQuery('body>.rs-messager').not(msg);
	var height = msg.outerHeight()/2 + 5;
	
	others.each(function(i){
		jQuery(this).css('top', '-=' + (height + jQuery(this).outerHeight() /2));
	});
	
	msg.delay(4000).fadeOut(2000, function(){
		jQuery(this).remove();
	})
};

rs.showLoading = function(){
	jQuery('body>.rs-loading').remove();
	jQuery('body').append('<div class="rs-loading"></div>');
};

rs.hideLoading = function(){
	jQuery('body>.rs-loading').remove();
};

jQuery(function($){
	if($('#rs-data-input').val()){
		rs.helpers.isRefresh = true;
	} else{
		$('#rs-data-input').val('true');
		rs.helpers.isRefresh = false;
	}
	
	function checkConditionalLogicFor(id){
		var logic = rs.data['conditional-logic'][id];
		var matched = false;
		for(var i in logic){
			var submatched = true;
			for(var name in logic[i]){
				var value = [];
				var elements = rs.helpers.getControlByName(name);
				if(elements.length){
					if(elements.is(':checkbox, :radio')){
						elements.filter(':checked').each(function(){
							value.push(this.value);
						});
					}
					else{
						value = elements.val();
					}
					submatched = rs.helpers.checkConditionalLogic(value, logic[i][name]);
					
					if(!submatched) break;
				}				
			}
			matched = matched || submatched;
		}	
		$('#' + id).rsLogicToogle(matched);
	}
	
	//jquery event
	$(document).bind('rs-control-rebuild.rs-common', function(e, box){
		box = $(box);
		box.find('.rs-textbox, .rs-textarea').unbind('drop.rs').bind('drop.rs', function(){
			setTimeout($.proxy(function(){
				$(this).trigger('change');
			}, this), 0);
		});
		
		if(rs.data['conditional-logic']){
			for(var id in rs.data['conditional-logic']){
				var logic = rs.data['conditional-logic'][id];
				for(var i in logic){
					for(var name in logic[i]){
						rs.helpers.getControlByName(name).unbind('change.' + id).bind('change.' + id, {id: id}, function(event){
							checkConditionalLogicFor(event.data.id);
						}).trigger('change');
					}
				}
			}
		}
	});
	
	$(document).trigger('rs-control-rebuild.rs-common', document);
	
	//widget 
	$(document).ajaxSuccess(function(e, xhr, settings) {
		var widget = false;
		if (settings.data !== "undefined") {
			var data = $.parseParams(settings.data);
			//console.log(data);
			if(data['action'] == 'save-widget' && data['widget-id'] && !data['delete_widget']){
				widget = true;
				if(rs.data['conditional-logic']){
					for(var id in rs.data['conditional-logic']){
						if(id.indexOf('__i__') > 0){
							var logic = rs.data['conditional-logic'][id];
							logic = JSON.parse(JSON.stringify(logic).replace('__i__', data['multi_number']));
							rs.data['conditional-logic'][id.replace('__i__', data['multi_number'])] = logic;
						}
					}
				}
				rs.helpers.rebuildControls($('[value="' + data['widget-id'] + '"]').parent());
			}
		}
		if(!widget &&  xhr.responseText.indexOf('rs-control') > 0){
			rs.helpers.rebuildControls();
		}
	});
	
	//enable disabled control
	$(window).unload(function(){
		$('.rs-js-disabled').removeAttr('disabled');
	});
});

/* jQuery helpers */
(function($) {
	
	$.parseParams = function(query) {
		var re = /([^&=]+)=?([^&]*)/g;
		var decodeRE = /\+/g; 
		var decode = function (str) {return decodeURIComponent( str.replace(decodeRE, " ") );};
		var params = {}, e;
		while ( e = re.exec(query) ) {
			var k = decode( e[1] ), v = decode( e[2] );
			if (k.substring(k.length - 2) === '[]') {
				k = k.substring(0, k.length - 2);
				(params[k] || (params[k] = [])).push(v);
			}
			else {
				params[k] = v;
			}
		}
		return params;
	};
	
	$.getStyle = function(url, id, media){
		var stylesheet = document.getElementById(id);
		if(stylesheet){
			stylesheet.href = url + (url.indexOf('?') > 0 ? '&r=' : '?r=') + rs.helpers.uniqid();
		}
		else{
			stylesheet = document.createElement('link');
			stylesheet.href = url;
			stylesheet.rel = 'stylesheet';
			stylesheet.type = 'text/css';
			stylesheet.media = media || 'all';
			stylesheet.id = id || rs.helpers.uniqid();
			document.getElementsByTagName('head')[0].appendChild(stylesheet);
		}
	};
	
	$.fn.isDisabled = function(){
		return this.is('.disabled, [disabled]');
	};
	
	$.fn.rsif = function(condition){
		if(typeof condition == 'function'){
			if(condition.call(this)){
				return this;
			}
		}
		else if(condition){
			return this;
		}
		return $();
	};
	
	$.fn.rsLogicToogle = function(show){
		if(this.length == 0) return this;
		show = show == undefined ? !this.is(':visible') : show;
		if(show){
			this.filter('.rs-logic-disabled').removeClass('rs-logic-disabled').not('.rs-rule-disabled').find('.rs-js-disabled').removeClass('rs-js-disabled').removeAttr('disabled');
		}
		else{
			this.addClass('rs-logic-disabled').find(':enabled').addClass('rs-js-disabled').attr('disabled', 'disabled');
			this.find('.rs-template .rs-js-disabled').removeClass('rs-js-disabled');
		}
		return this;
	};
	
	$.fn.rsTextareaAutoHeight = function(){		
		this.filter('textarea').css('overflow', 'hidden').bind('paste keyup', function(){
			var wt = $(window).scrollTop();
			$(this).height('');
			$(this).scrollTop(100000);
			$(this).height($(this).height() + $(this).scrollTop());
			$(window).scrollTop(wt);
		});
		this.filter('textarea').trigger('keyup');
		return this;
	};
	
})(jQuery);

//// string trim ////
String.prototype.trim = function (ch) {
	// console.log(this);
    return rs.helpers.string.trim(this, ch);
};

String.prototype.sanitize = function(){
	return rs.helpers.string.sanitize(this);	
};