- added jquery plugin which runs ajax command for calculating password

strength

js/jquery.passwordstrength.js

@@ -0,0 +1,69 @@
+/**
+ * jquery.passwordstrength.js
+ * Copyright (c) 2012 Uwe Steinmann
+ 
+
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * 
+ * @author Uwe Steinmann <uwe@steinmann.cx>
+ * @date 2012-06-08
+ * @projectDescription Password Strength Meter is a jQuery plug-in provide you smart algorithm to detect a password strength.
+ * @version 0.0.1
+ * 
+ * @requires jquery.js
+ * @param url: ajax url,
+ * @param pwd: password
+ * 
+*/
+
+(function($){
+
+	$.fn.passStrength = function(options) {  
+	  
+		var defaults = {
+			minscore: 50
+		}; 
+		var opts = $.extend(defaults, options);  
+		      
+		return this.each(function() { 
+			var obj = $(this);
+		 		
+		 	$(obj).unbind().keyup(function() {
+				if($(this).val())
+					$("#outerstrength").show();
+				else
+					$("#outerstrength").hide();
+				$.getJSON(opts.url,
+					{command: 'checkpwstrength', pwd: $(this).val()},
+					function(data) {
+						if(data.error) {
+						} else {
+							$("#strength").html(Math.round(data.strength));
+							$("#innerstrength").width(data.strength);
+							if(data.strength > opts.minscore) {
+								$("#innerstrength").css('background-color', 'green');
+							} else {
+								$("#innerstrength").css('background-color', 'red');
+							}
+						}
+					}); 
+			});
+		});
+	};  
+})(jQuery);