/*
	Masked Input plugin for jQuery
	Copyright (c) 2007-2009 Josh Bush (digitalbush.com)
	Licensed under the MIT license (http://digitalbush.com/projects/masked-input-plugin/#license) 
	Version: 1.2.2 (03/09/2009 22:39:06)
*/
(function(a){var c=(a.browser.msie?"paste":"input")+".mask";var b=(window.orientation!=undefined);a.mask={definitions:{"9":"[0-9]",a:"[A-Za-z]","*":"[A-Za-z0-9]"}};a.fn.extend({caret:function(e,f){if(this.length==0){return}if(typeof e=="number"){f=(typeof f=="number")?f:e;return this.each(function(){if(this.setSelectionRange){this.focus();this.setSelectionRange(e,f)}else{if(this.createTextRange){var g=this.createTextRange();g.collapse(true);g.moveEnd("character",f);g.moveStart("character",e);g.select()}}})}else{if(this[0].setSelectionRange){e=this[0].selectionStart;f=this[0].selectionEnd}else{if(document.selection&&document.selection.createRange){var d=document.selection.createRange();e=0-d.duplicate().moveStart("character",-100000);f=e+d.text.length}}return{begin:e,end:f}}},unmask:function(){return this.trigger("unmask")},mask:function(j,d){if(!j&&this.length>0){var f=a(this[0]);var g=f.data("tests");return a.map(f.data("buffer"),function(l,m){return g[m]?l:null}).join("")}d=a.extend({placeholder:"_",completed:null},d);var k=a.mask.definitions;var g=[];var e=j.length;var i=null;var h=j.length;a.each(j.split(""),function(m,l){if(l=="?"){h--;e=m}else{if(k[l]){g.push(new RegExp(k[l]));if(i==null){i=g.length-1}}else{g.push(null)}}});return this.each(function(){var r=a(this);var m=a.map(j.split(""),function(x,y){if(x!="?"){return k[x]?d.placeholder:x}});var n=false;var q=r.val();r.data("buffer",m).data("tests",g);function v(x){while(++x<=h&&!g[x]){}return x}function t(x){while(!g[x]&&--x>=0){}for(var y=x;y<h;y++){if(g[y]){m[y]=d.placeholder;var z=v(y);if(z<h&&g[y].test(m[z])){m[y]=m[z]}else{break}}}s();r.caret(Math.max(i,x))}function u(y){for(var A=y,z=d.placeholder;A<h;A++){if(g[A]){var B=v(A);var x=m[A];m[A]=z;if(B<h&&g[B].test(x)){z=x}else{break}}}}function l(y){var x=a(this).caret();var z=y.keyCode;n=(z<16||(z>16&&z<32)||(z>32&&z<41));if((x.begin-x.end)!=0&&(!n||z==8||z==46)){w(x.begin,x.end)}if(z==8||z==46||(b&&z==127)){t(x.begin+(z==46?0:-1));return false}else{if(z==27){r.val(q);r.caret(0,p());return false}}}function o(B){if(n){n=false;return(B.keyCode==8)?false:null}B=B||window.event;var C=B.charCode||B.keyCode||B.which;var z=a(this).caret();if(B.ctrlKey||B.altKey||B.metaKey){return true}else{if((C>=32&&C<=125)||C>186){var x=v(z.begin-1);if(x<h){var A=String.fromCharCode(C);if(g[x].test(A)){u(x);m[x]=A;s();var y=v(x);a(this).caret(y);if(d.completed&&y==h){d.completed.call(r)}}}}}return false}function w(x,y){for(var z=x;z<y&&z<h;z++){if(g[z]){m[z]=d.placeholder}}}function s(){return r.val(m.join("")).val()}function p(y){var z=r.val();var C=-1;for(var B=0,x=0;B<h;B++){if(g[B]){m[B]=d.placeholder;while(x++<z.length){var A=z.charAt(x-1);if(g[B].test(A)){m[B]=A;C=B;break}}if(x>z.length){break}}else{if(m[B]==z[x]&&B!=e){x++;C=B}}}if(!y&&C+1<e){r.val("");w(0,h)}else{if(y||C+1>=e){s();if(!y){r.val(r.val().substring(0,C+1))}}}return(e?B:i)}if(!r.attr("readonly")){r.one("unmask",function(){r.unbind(".mask").removeData("buffer").removeData("tests")}).bind("focus.mask",function(){q=r.val();var x=p();s();setTimeout(function(){if(x==j.length){r.caret(0,x)}else{r.caret(x)}},0)}).bind("blur.mask",function(){p();if(r.val()!=q){r.change()}}).bind("keydown.mask",l).bind("keypress.mask",o).bind(c,function(){setTimeout(function(){r.caret(p(true))},0)})}p()})}})})(jQuery);

(function($) {
	$.fn.maskMoney = function(settings) {
		settings = $.extend({
			symbol:'US$',
			decimal:'.',
			precision:2,
			thousands:',',
			allowZero:false,
			allowNegative:false,
			showSymbol:false,
			symbolStay:false,
			defaultZero:true
		}, settings);

		return this.each(function() {
			var input = $(this);

			function keypressEvent(e) {
				e = e||window.event;
				var k = e.charCode||e.keyCode||e.which;
				if (k == undefined) return false; //needed to handle an IE "special" event

				if (k<48||k>57) { // any key except the numbers 0-9
					if (k==45) { // -(minus) key
						input.val(changeSign(input));
						return false;
					}
					if (k==43) { // +(plus) key
						input.val(input.val().replace('-',''));
						return false;
					} else if (k==13) { // enter key
						return true;
					} else { // any other key with keycode less than 48 and greater than 57
						preventDefault(e);
						return true;
					}
				} else if (input.val().length==input.attr('maxlength')) {
					return false;
				} else {
					preventDefault(e);

					var key = String.fromCharCode(k);
					var x = input.get(0);
					var selection = input.getInputSelection(x);
					var startPos = selection.start;
					var endPos = selection.end;
					x.value = x.value.substring(0, startPos) + key + x.value.substring(endPos, x.value.length);
					maskAndPosition(x, startPos + 1);
					return false;
				}
			}

			function keydownEvent(e) {
				e = e||window.event;
				var k = e.charCode||e.keyCode||e.which;
				if (k == undefined) return false; //needed to handle an IE "special" event

				var x = input.get(0);
				var selection = input.getInputSelection(x);
				var startPos = selection.start;
				var endPos = selection.end;

				if (k==8) { // backspace key
				preventDefault(e);

					if(startPos == endPos)
					{
						// Remove single character
						x.value = x.value.substring(0, startPos - 1) + x.value.substring(endPos, x.value.length);
						startPos = startPos - 1;
					}
					else
					{
						// Remove multiple characters
						x.value = x.value.substring(0, startPos) + x.value.substring(endPos, x.value.length);
					}
					maskAndPosition(x, startPos);
					return false;
				} else if (k==9) { // tab key
					return true;
				} else if (k==46||k==63272) { // delete key (with special case for safari)
					preventDefault(e);
					if(x.selectionStart == x.selectionEnd)
					{
						// Remove single character
						x.value = x.value.substring(0, startPos) + x.value.substring(endPos + 1, x.value.length);
					}
					else
					{
						//Remove multiple characters
						x.value = x.value.substring(0, startPos) + x.value.substring(endPos, x.value.length);
					}
					maskAndPosition(x, startPos);
					return false;
				} else { // any other key
					return true;
				}
			}

			function focusEvent(e) {
				if (input.val()==''&&settings.defaultZero) {
					input.val(setSymbol(getDefaultMask()));
				} else {
					input.val(setSymbol(input.val()));
				}
                if (this.createTextRange) {
                    var textRange = this.createTextRange();
                    textRange.collapse(false); // set the cursor at the end of the input
                    textRange.select();
                }
			}

			function blurEvent(e) {
                if ($.browser.msie) {
                    keypressEvent(e);
                }

				if (input.val()==setSymbol(getDefaultMask())) {
					if(!settings.allowZero) input.val('');
				} else {
					if (!settings.symbolStay) input.val(input.val().replace(settings.symbol,''));
					else if (settings.symbolStay&&input.val()==settings.symbol) input.val('');
				}
			}

			function preventDefault(e) {
				if (e.preventDefault) { //standard browsers
					e.preventDefault();
				} else { // internet explorer
					e.returnValue = false
				}
			}

			function maskAndPosition(x, startPos) {
				var originalLen = input.val().length;
				input.val(maskValue(x.value));
				var newLen = input.val().length;
				startPos = startPos - (originalLen - newLen);
				input.setCursorPosition(startPos);
			}

			function maskValue(v) {
				v = v.replace(settings.symbol,'');

				var strCheck = '0123456789';
				var len = v.length;
				var a = '', t = '', neg='';

				if(len!=0 && v.charAt(0)=='-'){
					v = v.replace('-','');
					if(settings.allowNegative){
						neg = '-';
					}
				}

				if (len==0) {
					if (!settings.defaultZero) return t;
					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);

                i = settings.precision == 0 ? 0 : 1;
				var p, d = (t=t.split('.'))[i].substr(0,settings.precision);
				for (p = (t=t[0]).length; (p-=3)>=1;) {
					t = t.substr(0,p)+settings.thousands+t.substr(p);
				}

				return (settings.precision>0)
                    ? setSymbol(neg+t+settings.decimal+d+Array((settings.precision+1)-d.length).join(0))
                    : setSymbol(neg+t);
			}

			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) {
					if (v.substr(0, settings.symbol.length) != settings.symbol) return settings.symbol+v;
				}
				return v;
			}

			function changeSign(i){
				if (settings.allowNegative) {
					var vic = i.val();
					if (i.val()!='' && i.val().charAt(0)=='-'){
						return i.val().replace('-','');
					} else{
						return '-'+i.val();
					}
				} else {
					return i.val();
				}
			}

			input.bind('keypress',keypressEvent);
			input.bind('keydown',keydownEvent);
			input.bind('blur',blurEvent);
			input.bind('focus',focusEvent);

			input.one('unmaskMoney',function() {
				input.unbind('focus',focusEvent);
				input.unbind('blur',blurEvent);
				input.unbind('keydown',keydownEvent);
				input.unbind('keypress',keypressEvent);

				if ($.browser.msie) {
                    this.onpaste= null;
				} else if ($.browser.mozilla) {
                    this.removeEventListener('input',blurEvent,false);
                }
			});
		});
	}

	$.fn.unmaskMoney=function() {
		return this.trigger('unmaskMoney');
	};

	$.fn.setCursorPosition = function(pos) {
		this.each(function(index, elem) {
			if (elem.setSelectionRange) {
				elem.focus();
				elem.setSelectionRange(pos, pos);
			} else if (elem.createTextRange) {
				var range = elem.createTextRange();
				range.collapse(true);
				range.moveEnd('character', pos);
				range.moveStart('character', pos);
				range.select();
			}
		});
		return this;
	};

	$.fn.getInputSelection = function(el) {
		var start = 0, end = 0, normalizedValue, range, textInputRange, len, endRange;

		if (typeof el.selectionStart == "number" && typeof el.selectionEnd == "number") {
			start = el.selectionStart;
			end = el.selectionEnd;
		} else {
			range = document.selection.createRange();

			if (range && range.parentElement() == el) {
				len = el.value.length;
				normalizedValue = el.value.replace(/\r\n/g, "\n");

				// Create a working TextRange that lives only in the input
				textInputRange = el.createTextRange();
				textInputRange.moveToBookmark(range.getBookmark());

				// Check if the start and end of the selection are at the very end
				// of the input, since moveStart/moveEnd doesn't return what we want
				// in those cases
				endRange = el.createTextRange();
				endRange.collapse(false);

				if (textInputRange.compareEndPoints("StartToEnd", endRange) > -1) {
					start = end = len;
				} else {
					start = -textInputRange.moveStart("character", -len);
					start += normalizedValue.slice(0, start).split("\n").length - 1;

					if (textInputRange.compareEndPoints("EndToEnd", endRange) > -1) {
						end = len;
					} else {
						end = -textInputRange.moveEnd("character", -len);
						end += normalizedValue.slice(0, end).split("\n").length - 1;
					}
				}
			}
		}

		return {
			start: start,
			end: end
		};
	}

})(jQuery);