function inputfilter_init() {
    $$('input[type="text"]').each(
	    function (input) {
	        input = $(input);
	        if (!input) return;
	        var vt = input.readAttribute("validationtype");
	        if (!vt) return;
	        if (input.hasClassName('initialized')) return;
	        input.addClassName('initialized');
	        if (vt != null && vt != '') {
	            if (vt == 'numeric' || vt == 'decimal' || vt == 'currency') {
	                var oc = input.readAttribute('onchange');
	                if (oc) {
	                    input.aspnetOnChange = input.onchange;
	                    input.onchange = null;
	                    input.writeAttribute('onchange', undefined);
	                }
	                input
				    .observe("keydown", NumericInput_OnKeyDown)
				    .observe("keyup", NumericInput_OnKeyUp)
				    .observe("blur", NumericInput_OnBlur)
				    .observe("focus", NumericInput_OnFocus)
				    .observe("change", NumericInput_OnChange);
	            } else {
	                var portions = input.getAttribute('portions');
	                if (portions != null) {
	                    var p = portions.split(",");
	                    var wrapper = new Element('div');
	                    var separatorCharacters = (input.getAttribute('separator') ? input.getAttribute('separator') : '');
	                    if (separatorCharacters != '' && input.value != '') var cv = input.value.split(separatorCharacters);
	                    if (cv == undefined && input.value.length > 0 && input.value.indexOf(separatorCharacters) == 0) {
	                        var n = 0;
	                        var t = input.value.toArray()
	                        cv = [];
	                        p.each(function (ps, i) {
	                            ps = ps.parseInt();
	                            cv.push(t.slice(n, n + ps).join(''));
	                            n += ps;
	                        });
	                    }
	                    input.insert({ before: wrapper }).remove();
	                    wrapper.insert(new Element('input', { type: 'hidden', id: input.id, name: input.name, separator: separatorCharacters, value: input.value }));
	                    var cssClasses = input.getAttribute('cssClasses');
	                    if (cssClasses != null) {
	                        cssClasses = cssClasses.split(",");
	                    }
	                    p.each(function (ps, i) {
	                        if (i == p.size() - 1) {
	                            var section = new Element('input', { type: 'text', id: input.id + '_' + (i + 1), name: input.name + '_' + (i + 1), size: ps, length: ps, maxlength: ps });
	                        } else {
	                            var section = new Element('input', { type: 'text', id: input.id + '_' + (i + 1), name: input.name + '_' + (i + 1), size: ps, length: ps });
	                        }
	                        if (cv && cv.length > i) section.value = cv[i].substring(0, ps);
	                        section.addClassName('autowidth').observe('keydown', NumericInput_OnKeyDown).observe('keyup', NumericInput_OnKeyUp).observe('change', SplitInput_OnChange).observe('keydown', SplitInput_KeyDown);
	                        if (cssClasses != null) {
	                            section.addClassName(cssClasses[i]);
	                        }
	                        wrapper.insert(section);
	                        if (i != p.size() - 1) wrapper.insert(new Element('span', { className: 'separator' }).update(separatorCharacters));
	                    });
	                }
	            }
	        }
	    });
	}
	
var lastHighlight;
function SplitInput_KeyDown(e)
{
       var key = (e.keyCode)?e.keyCode:(e.which)?e.which:undefined;
	if (key != undefined) {
		if (key != 8)
		{
			if ((this.value.length+1) > this.getAttribute('length') && key != 9)
			{
				var ni = this.next('input[type=text]');
				if (ni != null)
				{
					ni.focus();
					setCaretPos(ni,ni.value.length);
				}
			}
			if (key == 9)
			{
				var ni = this.next('input[type=text]');
				if (ni != null)
				{
					ni.focus();
					setCaretPos(ni,ni.value.length);
					e.stop();		
				}
			}
		}else{
			if (key == 8)
			{
				//backspace
				if (getCaretPos(this) == 0)
				{
					var pi = this.previous('input[type=text]');
					if (pi != null)
					{
						pi.focus();
						setCaretPos(pi,pi.value.length);
						e.stop();
					}
				}
			}
		}
	}
}

function SplitInput_OnChange(e)
{
	//filter inputs
	var validatorRegEx = new RegExp("^([0-9]*)$");
	var numRegEx = new RegExp("[0-9]*","g");		
	this.up().select('input[type=text]').each(function (ps) {
		var ns = ps.value;
		var OK = validatorRegEx.test(ns);
		if (!OK)
		{
			var matches = ns.match(numRegEx);
			ns = matches.join("");
			ps.value = ns;
		}
	});
	//inputs have been filtered
	//divy up the paste content
	if ((this.value.length) > this.getAttribute('length'))
	{
		var content = this.value;
		var l = this.getAttribute('length')
		this.value = content.substring(0,l);
		content = content.substring(l,content.length-l);
		var ci = this.next('input[type=text]');
		while(ci != null)
		{
			var l = ci.getAttribute('length');
			ci.value = content.substring(0,l);
			content = content.substring(l);		
			ci = ci.next('input[type=text]');
		}
		this.up().select('input[type=text]').last().focus();
	}

	var hf = this.up().select('input[type=hidden]').first();
	var separator = hf.getAttribute('separator');
	var items = this.up().select('input[type=text]').inject([], function (arr, p) { arr.push(p.value); return arr; });
	hf.value = items.join(separator);
}
/*
function formatCurrency(s) {
    alert('formatCurrency');
    var d = s.toFixed(2).toString();
    var s = d.substring(0,d.indexOf('.'));
    var o = d.substring(d.indexOf('.')+1, d.length);
    var g = s.toArray().inGroupsOf(3).invoke('join','').join(',');
    var r = '$' + g + '.' + o;
    alert(r);
    return r;
    //return s.toFixed(2).toString().split('').reverse().join('').replace(/(?=\d*\.?)(\d{3})/g,'$1,').split('').reverse().join('').replace(/^[\,]/,'')
}
*/
function formatCurrency(amount) {
    var delimiter = ","; // replace comma if desired
    var a = amount.toString().split('.', 2)
    var d = a[1];
    var i = parseFloat(a[0]);
    if (isNaN(i)) { return ''; }
    var minus = '';
    if (i < 0) { minus = '-'; }
    i = Math.abs(i);
    var n = new String(i);
    var a = [];
    while (n.length > 3) {
        var nn = n.substr(n.length - 3);
        a.unshift(nn);
        n = n.substr(0, n.length - 3);
    }
    if (n.length > 0) { a.unshift(n); }
    n = a.join(delimiter);
    if (!d || d.length < 1) {
        d = '00';
    }else{
        d = parseFloat(d).toPaddedString(2); 
    }
    return '$' + minus + n + '.' + d;
}

function formatFloat(amount, dps) {
    if (!dps) dps = 2;
    var delimiter = ","; // replace comma if desired
    var a = (Math.round(amount * Math.pow(10, dps)) / Math.pow(10, dps)).toString().split('.', 2)
    var d = a[1]; // very hacky but it works
    var i = parseFloat(a[0]);
    if (isNaN(i)) { return ''; }
    var minus = '';
    if (i < 0) { minus = '-'; }
    i = Math.abs(i);
    var n = new String(i);
    var a = [];
    while (n.length > 3) {
        var nn = n.substr(n.length - 3);
        a.unshift(nn);
        n = n.substr(0, n.length - 3);
    }
    if (n.length > 0) { a.unshift(n); }
    n = a.join(delimiter);
    if (!d || d.length < 1) {
        d = '';
        for (var i = 0; i < dps; ++i) d += '0';
    } else {
        d = parseFloat(d).toPaddedString(dps);
    }
    return minus + n + '.' + d;
}


function NumericInput_OnBlur(e) {
    var srcElement = Event.element(e);
    var validationType = srcElement.getAttribute("validationtype");
    if (validationType == 'currency' && srcElement.value != '' && srcElement.value.toArray()[0] != '$') {
        srcElement.value = formatCurrency(srcElement.value.parseCurrency());
    }
    if (validationType == 'decimal' && srcElement.value != '') {
        try{
            var num = parseFloat(srcElement.value);
            var dp = parseFloat(srcElement.readAttribute('decimalplaces'));
            srcElement.value = num.toFixed(dp);
        }catch(e)
        {

        }
    }

} //123456789

function NumericInput_OnFocus(e) {
    var srcElement = Event.element(e);
    var cp = getCaretPos(srcElement);
    var validationType = srcElement.getAttribute("validationtype");
    if (validationType == 'currency' && srcElement.value != '' && srcElement.value.toArray()[0] == '$') {
        srcElement.value = srcElement.value.substring(1);
        setCaretPos(srcElement, cp - 1);
        cp = getCaretPos(srcElement);
        if (srcElement.value.include(',')) {
            var cl = srcElement.value.length;
            var ov = srcElement.value;
            var ncp = cp - (ov.substring(0, cp).length - ov.substring(0, cp).gsub(",","").length)
            srcElement.value = srcElement.value.gsub(",", "");
            setCaretPos(srcElement, Math.max(ncp,0));
        }
        cp = getCaretPos(srcElement);
        if (cp == srcElement.value.length) {
            srcElement.activate();
        }
    }
}
function NumericInput_OnChange(e)
{
	var srcElement = Event.element(e);
	var validationType = srcElement.getAttribute("validationtype");
	var ns = srcElement.value;
	if (validationType != null)
	{
		if (validationType == 'numeric')
		{
		    var validatorRegEx = new RegExp("^([\-]?[0-9]*)$");
			var OK = validatorRegEx.test(ns);
			if (!OK)
			{
			    var numRegEx = new RegExp("[\-]?[0-9]*", "g");		
				var matches = ns.match(numRegEx);
				ns = matches.join("");
			}
		}
		else
		{
			if(validationType == 'decimal' || validationType == 'currency')
			{
				var dprx = "";
				var dp = srcElement.getAttribute("decimalPlaces");
				if (dp != null) dprx = "([\-]?[.0-9]{1," + (new Number(dp) + 1) + "})?$"
				var validatorRegEx = new RegExp("^([0-9]*)" + dprx);
				var OK = validatorRegEx.test(ns);
				if (!OK)
				{
				    var numRegEx = new RegExp("[\-]?[0-9.]*", "g");
					var matches = srcElement.value.match(numRegEx);
					ns = matches.join("");
					var allowedDp = srcElement.getAttribute("decimalplaces")
					if (srcElement.value.lastIndexOf(".") != -1) { 
						var dpc = ns.substr(ns.lastIndexOf(".")+1); 
						dp = dpc.length; 
						if (dp > allowedDp)
							ns = ns.replace("."+dpc, "." + dpc.substring(0,allowedDp));
					}
					srcElement.value = ns;
				}		
			}else{
				//new Insertion.Top($('debug'),'changed with validation<br/>');	
			}
		}
		//just to ensure the max length is not violated by a paste
		var ml = srcElement.getAttribute('maxlength');
		if(Prototype.Browser.IE &amp;&amp; ml == '2147483647') ml = null; //ie fix
		srcElement.value = ns.substring(ml?ns.length-ml:0);
		
		//if there is a min/max attribute
		var minV = srcElement.getAttribute('minvalue');
		var maxV = srcElement.getAttribute('maxvalue');
		if (minV!=null &amp;&amp; parseInt(srcElement.value) &lt; minV) srcElement.value = minV;
		if (maxV != null &amp;&amp; parseInt(srcElement.value) &gt; maxV) srcElement.value = maxV;

		if (srcElement.aspnetOnChange) {
		    srcElement.aspnetOnChange();
		}
	}
}
function getCaretPos(oField)
{
	var iCaretPos = 0;
	if (Prototype.Browser.IE)
	{
	try{
		var oSel = document.selection.createRange();
		oSel.moveStart ('character', -oField.value.length);
		iCaretPos = oSel.text.length;
		}catch(e)
		{
		}
	}else{
	 iCaretPos = oField.selectionEnd;
	}
	return iCaretPos;
}
function setCaretPos(oField, iCaretPos)
{
    if (Prototype.Browser.IE) {
        var t = oField.createTextRange();
        start = iCaretPos;
        end = iCaretPos;
        end -= start + oField.value.slice(start + 1, end).split("\n").length - 1;
        start -= oField.value.slice(0, start).split("\n").length - 1;
        t.move("character", start);
        t.moveEnd("character", end);
        t.select();
    } else {
        oField.selectionStart = iCaretPos;
        oField.selectionEnd = iCaretPos;
        oField.focus();
    }
}
var ctrlKey = false;
function NumericInput_OnKeyUp(e)
{
    var key = (e.keyCode)?e.keyCode:(e.which)?e.which:undefined;
	if (key != undefined) {
		if (key == 17)
		{
			//user releasing ctrl
			ctrlKey = false;
		}
	}
}
function NumericInput_OnKeyDown(e) {
        var srcElement = Event.element(e);
        var key = (e.keyCode)?e.keyCode:(e.which)?e.which:undefined;
	    if (key != undefined) {
		    if (key==17)
		    {
			    //user pressing ctrl
			    ctrlKey = true;
			    return;
		    }
		    if (ctrlKey &amp;&amp; (key == 86 || key == 67 || key == 88))
		    {
			    //ctrl + xcv
			    return;
			}
            //- if allow negative

			var allowedNegative = srcElement.getAttribute("allownegative")
			if (allowedNegative) {
			    if (key == 189 || key == 109) {
			        if (!srcElement.value.startsWith('-') || srcElement.value == '') {
			            if (getCaretPos(srcElement) == 0) {
			                return;
			            }
			        }
			    }
			}
		    var validationType = srcElement.getAttribute("validationtype");
		    var dp = 0; 
		    var allowedDp = srcElement.getAttribute("decimalplaces")
		    if (srcElement.value.lastIndexOf(".") != -1) dp = srcElement.value.substr(srcElement.value.lastIndexOf(".")+1).length + 1;
		    var ml = srcElement.getAttribute('maxlength');
		    if(Prototype.Browser.IE &amp;&amp; ml == '2147483647') ml = null; //ie fix
		    if (ml == null || (ml != null &amp;&amp; srcElement.value.length &lt;= ml))
		    {
		        if (getSel(srcElement) == '')
		        {
			        if ((validationType == 'currency' || validationType == 'decimal') &amp;&amp; dp &gt; allowedDp) //check it's length of decimal places
				        if (srcElement.value.lastIndexOf(".") &lt; getCaretPos(srcElement))
					        if (key&lt;8||key&gt;9) //if not tab/backspace
						        if (!(key &gt;= 35 &amp;&amp; key &lt;= 40) &amp;&amp; key != 46 &amp;&amp; key != 116)  //if not arrows, home, end, delete, f5
							            failedValidation(e,key,srcElement);
			        if (key&lt;8||key&gt;9) //if not tab/backspace
				        if (!(key &gt;= 35 &amp;&amp; key &lt;= 40) &amp;&amp; key != 46 &amp;&amp; key != 110) //if not arrows, home, end, delete, num pad .
			                   if (key&lt;48||(key&gt;57 &amp;&amp; !(key &gt;= 96 &amp;&amp; key &lt;=105)) ||e.shiftKey) //if not a number and shift not pressed (symbols)
					                if ((validationType != "decimal" &amp;&amp; validationType!= "currency") || (validationType == 'decimal' &amp;&amp; (key == 190 || key == 110) &amp;&amp; !srcElement.value.toArray().select(function (c) { return c=="."; }).length == 0) || (validationType == 'decimal' &amp;&amp; key != 190) || (validationType == 'currency' &amp;&amp; key == 190 &amp;&amp; !srcElement.value.toArray().select(function (c) { return c=="."; }).length == 0) || (validationType == 'currency' &amp;&amp; key != 190))
						                failedValidation(e,key,srcElement);
		       }else{
			    if (key&lt;8||key&gt;9) //if not tab/backspace
				    if (!(key &gt;= 35 &amp;&amp; key &lt;= 40) &amp;&amp; key != 46 &amp;&amp; key != 110 &amp;&amp; key != 116) //if not arrows, home, end, delete, num pad ., f5
			               if (key&lt;48||(key&gt;57 &amp;&amp; !(key &gt;= 96 &amp;&amp; key &lt;=105)) ||e.shiftKey) //if not a number and shift not pressed (symbols)
					            failedValidation(e,key,srcElement);
		       }						        
		    }else{
			    if(srcElement.value.length &lt;= ml) failedValidation(e,key,srcElement);
		    }
	}
}
function failedValidation(e,key,srcElement)
{
    e.stop();
	if (lastHighlight) lastHighlight.cancel();
	if (key &gt;= 20) lastHighlight = inputFilterHighlight(srcElement);
	return;
}
function inputFilterHighlight(element) {
    return new Effect.Highlight(element, { duration: .5, startcolor: "#ff9999", endcolor: "#ffffff", restorecolor: "#ffffff" });
}

function getSel(oField)
{
	var caretInfo = getCaretInfo(oField);
	return oField.value.substring(caretInfo.start,caretInfo.end);
}

function getCaretInfo(oTextarea) {
	var docObj = oTextarea.ownerDocument;
	var result = {start:0, end:0, caret:0};
	
	if (navigator.appVersion.indexOf("MSIE")!=-1) {
		if (oTextarea.tagName.toLowerCase() == "textarea") {
			if (oTextarea.value.charCodeAt(oTextarea.value.length-1) &lt; 14) {
				oTextarea.value=oTextarea.value.replace(/34/g,'')+String.fromCharCode(28);
			}
			var oRng = docObj.selection.createRange();
			var oRng2 = oRng.duplicate();
			oRng2.moveToElementText(oTextarea);
			oRng2.setEndPoint('StartToEnd', oRng);
			result.end = oTextarea.value.length-oRng2.text.length;
			oRng2.setEndPoint('StartToStart', oRng);
			result.start = oTextarea.value.length-oRng2.text.length; 
			result.caret = result.end;
			if (oTextarea.value.substr(oTextarea.value.length-1) == String.fromCharCode(28)) {
				oTextarea.value = oTextarea.value.substr(0, oTextarea.value.length-1);
			}			
		} else {
		try{
			var range = docObj.selection.createRange();
			var r2 = range.duplicate();			
			result.start = 0 - r2.moveStart('character', -100000);
			result.end = result.start + range.text.length;	
			result.caret = result.end;
			}catch(e){
			
			}
		}			
	} else {
		result.start = oTextarea.selectionStart;
    	result.end = oTextarea.selectionEnd;
		result.caret = result.end;
	}
	if (result.start &lt; 0) {
		 result = {start:0, end:0, caret:0};
	}	
	return result;
}

Event.observe(document, 'sniper:initcontrols', function(e) {
    inputfilter_init();
});

Event.observe(document, 'dom:loaded', function(e) {
    document.fire("sniper:initcontrols");
});


Object.extend(String.prototype, {
    parseInt: parseInt.methodize(),
    parseFloat: parseFloat.methodize(),
    parseCurrency: function(s) { var r = parseFloat(s.replace('$', '').gsub(',', '')); return r; } .methodize(),
    parsePercent: function(s) { return s.replace('%', '').parseFloat(); } .methodize()
});