/* jQuery Mask Format - Copyright (c) 2008 Aurélio Saraiva (aureliosaraiva@gmail.com) */

(function($){$.fn.maskMoney=function(settings){settings=$.extend({symbol:"US$",decimal:".",precision:2,thousands:",",showSymbol:true},settings);settings.symbol=settings.symbol+" ";return this.each(function(){var input=$(this);function money(e){e=e||window.event;var k=e.charCode||e.keyCode||e.which;if(k==8){preventDefault(e);var x=input.val().substring(0,input.val().length-1);input.val(maskValue(x));return false;}else if(k==9){return true;}
if(k<48||k>57){preventDefault(e);return true;}
var key=String.fromCharCode(k);preventDefault(e);input.val(maskValue(input.val()+key));}
function preventDefault(e){if(e.preventDefault){e.preventDefault()}else{e.returnValue=false}}
function maskValue(v){v=v.replace(settings.symbol,"");var a='';var strCheck='0123456789';var len=v.length;var t="";if(len==0){t="0.00";}
for(var i=0;i<len;i++)
if((v.charAt(i)!='0')&&(v.charAt(i)!=settings.decimal))
break;for(;i<len;i++){if(strCheck.indexOf(v.charAt(i))!=-1)a+=v.charAt(i);}
var n=parseFloat(a);n=isNaN(n)?0:n/Math.pow(10,settings.precision);t=n.toFixed(settings.precision);var p,d=(t=t.split("."))[1].substr(0,settings.precision);for(p=(t=t[0]).length;(p-=3)>=1;){t=t.substr(0,p)+settings.thousands+t.substr(p);}
return setSymbol(t+settings.decimal+d+Array((settings.precision+1)-d.length).join(0));}
function focusEvent(){if(input.val()==""){input.val(setSymbol(getDefaultMask()));}else{input.val(setSymbol(input.val()));}}
function blurEvent(){if(input.val()==setSymbol(getDefaultMask())){input.val("");}else{input.val(input.val().replace(settings.symbol,""))}}
function getDefaultMask(){var n=parseFloat("0")/Math.pow(10,settings.precision);return(n.toFixed(settings.precision)).replace(new RegExp("\\.","g"),settings.decimal);}
function setSymbol(v){if(settings.showSymbol){return settings.symbol+v;}
return v;}
input.bind("keypress",money);input.bind("blur",blurEvent);input.bind("focus",focusEvent);input.one("unmaskMoney",function(){input.unbind("focus",focusEvent);input.unbind("blur",blurEvent);input.unbind("keypress",money);if($.browser.msie)
this.onpaste=null;else if($.browser.mozilla)
this.removeEventListener('input',blurEvent,false);});});}
$.fn.unmaskMoney=function(){return this.trigger("unmaskMoney");};})(jQuery);