(function($){function getPasteEvent(){var el=document.createElement('input'),name='onpaste';el.setAttribute(name,'');return(typeof el[name]==='function')?'paste':'input';}
var pasteEventName=getPasteEvent()+".mask",ua=navigator.userAgent,iPhone=/iphone/i.test(ua),android=/android/i.test(ua),caretTimeoutId;$.mask={definitions:{'9':"[0-9]",'a':"[A-Za-z]",'*':"[A-Za-z0-9]"},dataName:"rawMaskFn",placeholder:'_',};$.fn.extend({caret:function(begin,end){var range;if(this.length===0||this.is(":hidden")){return;}
if(typeof begin=='number'){end=(typeof end==='number')?end:begin;return this.each(function(){if(this.setSelectionRange){this.setSelectionRange(begin,end);}else if(this.createTextRange){range=this.createTextRange();range.collapse(true);range.moveEnd('character',end);range.moveStart('character',begin);range.select();}});}else{if(this[0].setSelectionRange){begin=this[0].selectionStart;end=this[0].selectionEnd;}else if(document.selection&&document.selection.createRange){range=document.selection.createRange();begin=0- range.duplicate().moveStart('character',-100000);end=begin+ range.text.length;}
return{begin:begin,end:end};}},unmask:function(){return this.trigger("unmask");},mask:function(mask,settings){var input,defs,tests,partialPosition,firstNonMaskPos,len;if(!mask&&this.length>0){input=$(this[0]);return input.data($.mask.dataName)();}
settings=$.extend({placeholder:$.mask.placeholder,completed:null},settings);defs=$.mask.definitions;tests=[];partialPosition=len=mask.length;firstNonMaskPos=null;$.each(mask.split(""),function(i,c){if(c=='?'){len--;partialPosition=i;}else if(defs[c]){tests.push(new RegExp(defs[c]));if(firstNonMaskPos===null){firstNonMaskPos=tests.length- 1;}}else{tests.push(null);}});return this.trigger("unmask").each(function(){var input=$(this),buffer=$.map(mask.split(""),function(c,i){if(c!='?'){return defs[c]?settings.placeholder:c;}}),focusText=input.val();function seekNext(pos){while(++pos<len&&!tests[pos]);return pos;}
function seekPrev(pos){while(--pos>=0&&!tests[pos]);return pos;}
function shiftL(begin,end){var i,j;if(begin<0){return;}
for(i=begin,j=seekNext(end);i<len;i++){if(tests[i]){if(j<len&&tests[i].test(buffer[j])){buffer[i]=buffer[j];buffer[j]=settings.placeholder;}else{break;}
j=seekNext(j);}}
writeBuffer();input.caret(Math.max(firstNonMaskPos,begin));}
function shiftR(pos){var i,c,j,t;for(i=pos,c=settings.placeholder;i<len;i++){if(tests[i]){j=seekNext(i);t=buffer[i];buffer[i]=c;if(j<len&&tests[j].test(t)){c=t;}else{break;}}}}
function keydownEvent(e){var k=e.which,pos,begin,end;if(k===8||k===46||(iPhone&&k===127)){pos=input.caret();begin=pos.begin;end=pos.end;if(end- begin===0){begin=k!==46?seekPrev(begin):(end=seekNext(begin-1));end=k===46?seekNext(end):end;}
clearBuffer(begin,end);shiftL(begin,end- 1);e.preventDefault();}else if(k==27){input.val(focusText);input.caret(0,checkVal());e.preventDefault();}}
function keypressEvent(e){var k=e.which,pos=input.caret(),p,c,next;if(e.ctrlKey||e.altKey||e.metaKey||k<32){return;}else if(k){if(pos.end- pos.begin!==0){clearBuffer(pos.begin,pos.end);shiftL(pos.begin,pos.end-1);}
p=seekNext(pos.begin- 1);if(p<len){c=String.fromCharCode(k);if(tests[p].test(c)){shiftR(p);buffer[p]=c;writeBuffer();next=seekNext(p);if(android){setTimeout($.proxy($.fn.caret,input,next),0);}else{input.caret(next);}
if(settings.completed&&next>=len){settings.completed.call(input);}}}
e.preventDefault();}}
function clearBuffer(start,end){var i;for(i=start;i<end&&i<len;i++){if(tests[i]){buffer[i]=settings.placeholder;}}}
function writeBuffer(){input.val(buffer.join(''));}
function checkVal(allow){var test=input.val(),lastMatch=-1,i,c;for(i=0,pos=0;i<len;i++){if(tests[i]){buffer[i]=settings.placeholder;while(pos++<test.length){c=test.charAt(pos- 1);if(tests[i].test(c)){buffer[i]=c;lastMatch=i;break;}}
if(pos>test.length){break;}}else if(buffer[i]===test.charAt(pos)&&i!==partialPosition){pos++;lastMatch=i;}}
if(allow){writeBuffer();}else if(lastMatch+ 1<partialPosition){input.val("");clearBuffer(0,len);}else{writeBuffer();input.val(input.val().substring(0,lastMatch+ 1));}
return(partialPosition?i:firstNonMaskPos);}
input.data($.mask.dataName,function(){return $.map(buffer,function(c,i){return tests[i]&&c!=settings.placeholder?c:null;}).join('');});if(!input.attr("readonly"))
input.one("unmask",function(){input.unbind(".mask").removeData($.mask.dataName);}).bind("focus.mask",function(){clearTimeout(caretTimeoutId);var pos,moveCaret;focusText=input.val();pos=checkVal();caretTimeoutId=setTimeout(function(){writeBuffer();if(pos==mask.length){input.caret(0,pos);}else{input.caret(pos);}},10);}).bind("blur.mask",function(){checkVal();if(input.val()!=focusText)
input.change();}).bind("keydown.mask",keydownEvent).bind("keypress.mask",keypressEvent).bind(pasteEventName,function(){setTimeout(function(){var pos=checkVal(true);input.caret(pos);if(settings.completed&&pos==input.val().length)
settings.completed.call(input);},0);});checkVal();});}});})(jQuery);