(function($){function Placeholder(input){if(input.attr('type')=='password'){input.attr('realType','password');this.isPassword=true;}
this.input=input;this.fakePassword=$('<input class="placeholder">').val(input.attr('placeholder')).focus(function(){input.trigger("focus");$(this).hide();});}
Placeholder.prototype={show:function(loading){if(this.input[0].value===''||(loading&&this.valueIsPlaceholder())){if(this.isPassword){try{this.input[0].setAttribute('type','text');}catch(e){this.input.before(this.fakePassword.show()).hide();}}
this.input[0].value=this.input.attr('placeholder');this.input.addClass('placeholder');}},hide:function(){if(this.valueIsPlaceholder()&&this.input.hasClass('placeholder')){if(this.isPassword){try{this.input[0].setAttribute('type','password');}catch(e){}
this.input.show();this.input[0].focus();}
this.input[0].value='';this.input.removeClass('placeholder');}},valueIsPlaceholder:function(){return this.input[0].value==this.input.attr('placeholder');}};var supported=!!("placeholder"in document.createElement("input"));$.fn.extend({placeholder:function(){return this.each(function(){if(!supported){var input=$(this);var placeholder=new Placeholder(input);placeholder.show(true);input.focus(function(){placeholder.hide();});input.blur(function(){placeholder.show(false);});}});}});})(jQuery);