diff --git a/index.php b/index.php
index 510c2d4..f5cbad6 100644
--- a/index.php
+++ b/index.php
@@ -602,6 +602,8 @@ $uri = $_SERVER['REQUEST_URI'];
 	<?php $xajax->printJavascript("milfs/xajax/");
 	//$xajax->debugOn();
 	$xajax->statusMessagesOn();
+	
+
 	;?>
 	<style>
 	
@@ -735,6 +737,7 @@ legend.legend-area {
     <script src="./librerias/charts/utils.js"></script>
     <script src="./librerias/lazy/jquery.lazy.min.js"></script>
 
+
 	<!-- morris  -->
 <!--  <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/morris.js/0.5.1/morris.css"> -->
 <!--  <script src="//cdnjs.cloudflare.com/ajax/libs/raphael/2.1.0/raphael-min.js"></script> -->
@@ -905,6 +908,8 @@ $menu_lateral = "
 <script src='librerias/calendar/lib/moment.min.js'></script>
 <script src='librerias/calendar/fullcalendar.min.js'></script>
 <script src='librerias/calendar/locale/es.js'></script>
+<script src="librerias/firma/signature_pad.js"></script>
+
 
 <?php echo $css_adicional; ?>
 <?php  if(!isset($_SESSION['id']) ){ ?>
@@ -1206,6 +1211,10 @@ $eventos= "
     <?php echo $onload;  ?>
 
 <?php } ?>
+<script src="librerias/firma/app.js"></script>
+<script type="text/javascript" >
+
+</script>
 
     <script type="text/javascript">
 $(function() {
diff --git a/librerias/firma/app.js b/librerias/firma/app.js
index 9480733..835627a 100644
--- a/librerias/firma/app.js
+++ b/librerias/firma/app.js
@@ -1,5 +1,5 @@
 var wrapper = document.getElementById("signature-pad"),
-    clearButton = wrapper.querySelector("[data-action=clear]"),
+   // clearButton = wrapper.querySelector("[data-action=clear]"),
     
     saveDataButton = wrapper.querySelector("[data-action=save-data]"),
     canvas = wrapper.querySelector("canvas"),
@@ -23,8 +23,8 @@ resizeCanvas();
 
 signaturePad = new SignaturePad(canvas);
 
-clearButton.addEventListener("click", function (event) {
-    signaturePad.clear();
+document.getElementById('clear').addEventListener('click', function() {
+  signaturePad.clear();
 });
 
 
diff --git a/librerias/firma/modal.php b/librerias/firma/modal.php
new file mode 100644
index 0000000..2df49de
--- /dev/null
+++ b/librerias/firma/modal.php
@@ -0,0 +1,51 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+
+  <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no">
+
+  <meta name="apple-mobile-web-app-capable" content="yes">
+  <meta name="apple-mobile-web-app-status-bar-style" content="black">
+
+  <link rel="stylesheet" href="signature-pad.css">
+  <link rel="stylesheet" href="../bootstrap/css/bootstrap.min.css?'.time().'"  >
+     <script src="../jquery/jquery-2.1.4.min.js" ></script>
+    <script src="../bootstrap/js/bootstrap.min.js" ></script>
+
+</head>
+<body >
+
+
+<div id='signature-pad' class='m-signature-pad'>
+    <div class='m-signature-pad--body'>
+      <canvas onmouseout="     if (signaturePad.isEmpty()) {    alert('Por favor firme primero.');    } else {       saveViaAJAX();    }"  id='canvas_firma'   ></canvas>
+    </div>
+    <div class='m-signature-pad--footer'>
+      <div class='description'>Firme arriba</div>
+      <div class='left'>
+        <button type='button' id='clear' class='button clear btn-warning' data-action="clear" onclick="document.getElementById('<?php echo $_REQUEST[campo]?>[<?php echo $_REQUEST[item]?>]').value=''; ">Limpiar</button>
+      </div>
+      
+<!--       <div class='right'>
+        <button type='button' class='button save btn-success' data-action='save-data'>Confirmar firma</button>
+
+      </div> -->
+    </div>
+</div>
+  <script type="text/javascript">
+  		function saveViaAJAX()
+{
+	var testCanvas = document.getElementById('canvas_firma');
+	var canvasData = testCanvas.toDataURL('image/svg+xml');
+	var postData = 'canvasData='+canvasData;
+	//mapa = window.parent.document.getElementById('<?php echo $_REQUEST[id]?>');
+	var debugConsole= window.parent.document.getElementById('<?php echo $_REQUEST[campo]?>[<?php echo $_REQUEST[item]?>]' );
+	debugConsole.value=canvasData;
+
+}
+</script>
+<script src="signature_pad.js"></script>
+<script src="app.js"></script>
+</body>
+</html>
diff --git a/librerias/firma/signature-pad.css b/librerias/firma/signature-pad.css
index fab44bf..bcd47ec 100644
--- a/librerias/firma/signature-pad.css
+++ b/librerias/firma/signature-pad.css
@@ -1,3 +1,21 @@
+.wrapper {
+  position: relative;
+  width: 400px;
+  height: 200px;
+  -moz-user-select: none;
+  -webkit-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
+}
+
+.signature-pad {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 400px;
+  height: 200px;
+  background-color: white;
+}
 .m-signature-pad {
   position: inherit;
   right: 0;
diff --git a/librerias/firma/signature_pad.js b/librerias/firma/signature_pad.js
old mode 100644
new mode 100755
index b028158..bb37761
--- a/librerias/firma/signature_pad.js
+++ b/librerias/firma/signature_pad.js
@@ -1,5 +1,5 @@
 /*!
- * Signature Pad v1.6.0-beta.5
+ * Signature Pad v2.3.2
  * https://github.com/szimek/signature_pad
  *
  * Copyright 2017 Szymon Nowak
@@ -14,7 +14,7 @@
  * Algorithm for approximated length of a Bézier curve is taken from:
  * http://www.lemoda.net/maths/bezier-length/index.html
  *
- */
+ */ 
 
 (function (global, factory) {
 	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
@@ -36,6 +36,10 @@ Point.prototype.distanceTo = function (start) {
   return Math.sqrt(Math.pow(this.x - start.x, 2) + Math.pow(this.y - start.y, 2));
 };
 
+Point.prototype.equals = function (other) {
+  return this.x === other.x && this.y === other.y && this.time === other.time;
+};
+
 function Bezier(startPoint, control1, control2, endPoint) {
   this.startPoint = startPoint;
   this.control1 = control1;
@@ -71,6 +75,41 @@ Bezier.prototype._point = function (t, start, c1, c2, end) {
   return start * (1.0 - t) * (1.0 - t) * (1.0 - t) + 3.0 * c1 * (1.0 - t) * (1.0 - t) * t + 3.0 * c2 * (1.0 - t) * t * t + end * t * t * t;
 };
 
+/* eslint-disable */
+
+// http://stackoverflow.com/a/27078401/815507
+function throttle(func, wait, options) {
+  var context, args, result;
+  var timeout = null;
+  var previous = 0;
+  if (!options) options = {};
+  var later = function later() {
+    previous = options.leading === false ? 0 : Date.now();
+    timeout = null;
+    result = func.apply(context, args);
+    if (!timeout) context = args = null;
+  };
+  return function () {
+    var now = Date.now();
+    if (!previous && options.leading === false) previous = now;
+    var remaining = wait - (now - previous);
+    context = this;
+    args = arguments;
+    if (remaining <= 0 || remaining > wait) {
+      if (timeout) {
+        clearTimeout(timeout);
+        timeout = null;
+      }
+      previous = now;
+      result = func.apply(context, args);
+      if (!timeout) context = args = null;
+    } else if (!timeout && options.trailing !== false) {
+      timeout = setTimeout(later, remaining);
+    }
+    return result;
+  };
+}
+
 function SignaturePad(canvas, options) {
   var self = this;
   var opts = options || {};
@@ -78,6 +117,15 @@ function SignaturePad(canvas, options) {
   this.velocityFilterWeight = opts.velocityFilterWeight || 0.7;
   this.minWidth = opts.minWidth || 0.5;
   this.maxWidth = opts.maxWidth || 2.5;
+  this.throttle = 'throttle' in opts ? opts.throttle : 16; // in miliseconds
+  this.minDistance = 'minDistance' in opts ? opts.minDistance : 5;
+
+  if (this.throttle) {
+    this._strokeMoveUpdate = throttle(SignaturePad.prototype._strokeUpdate, this.throttle);
+  } else {
+    this._strokeMoveUpdate = SignaturePad.prototype._strokeUpdate;
+  }
+
   this.dotSize = opts.dotSize || function () {
     return (this.minWidth + this.maxWidth) / 2;
   };
@@ -101,7 +149,7 @@ function SignaturePad(canvas, options) {
 
   this._handleMouseMove = function (event) {
     if (self._mouseButtonDown) {
-      self._strokeUpdate(event);
+      self._strokeMoveUpdate(event);
     }
   };
 
@@ -113,6 +161,9 @@ function SignaturePad(canvas, options) {
   };
 
   this._handleTouchStart = function (event) {
+    // Prevent scrolling.
+    event.preventDefault();
+
     if (event.targetTouches.length === 1) {
       var touch = event.changedTouches[0];
       self._strokeBegin(touch);
@@ -124,7 +175,7 @@ function SignaturePad(canvas, options) {
     event.preventDefault();
 
     var touch = event.targetTouches[0];
-    self._strokeUpdate(touch);
+    self._strokeMoveUpdate(touch);
   };
 
   this._handleTouchEnd = function (event) {
@@ -156,10 +207,12 @@ SignaturePad.prototype.clear = function () {
 SignaturePad.prototype.fromDataURL = function (dataUrl) {
   var _this = this;
 
+  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
   var image = new Image();
-  var ratio = window.devicePixelRatio || 1;
-  var width = this._canvas.width / ratio;
-  var height = this._canvas.height / ratio;
+  var ratio = options.ratio || window.devicePixelRatio || 1;
+  var width = options.width || this._canvas.width / ratio;
+  var height = options.height || this._canvas.height / ratio;
 
   this._reset();
   image.src = dataUrl;
@@ -190,6 +243,10 @@ SignaturePad.prototype.on = function () {
 };
 
 SignaturePad.prototype.off = function () {
+  // Pass touch events to canvas element on mobile IE11 and Edge.
+  this._canvas.style.msTouchAction = 'auto';
+  this._canvas.style.touchAction = 'auto';
+  
   this._canvas.removeEventListener('mousedown', this._handleMouseDown);
   this._canvas.removeEventListener('mousemove', this._handleMouseMove);
   document.removeEventListener('mouseup', this._handleMouseUp);
@@ -219,30 +276,53 @@ SignaturePad.prototype._strokeUpdate = function (event) {
   var y = event.clientY;
 
   var point = this._createPoint(x, y);
+  var lastPointGroup = this._data[this._data.length - 1];
+  var lastPoint = lastPointGroup && lastPointGroup[lastPointGroup.length - 1];
+  var isLastPointTooClose = lastPoint && point.distanceTo(lastPoint) < this.minDistance;
 
-  var _addPoint = this._addPoint(point),
-      curve = _addPoint.curve,
-      widths = _addPoint.widths;
+  // Skip this point if it's too close to the previous one
+  if (!(lastPoint && isLastPointTooClose)) {
+    var _addPoint = this._addPoint(point),
+        curve = _addPoint.curve,
+        widths = _addPoint.widths;
 
-  if (curve && widths) {
-    this._drawCurve(curve, widths.start, widths.end);
+    if (curve && widths) {
+      this._drawCurve(curve, widths.start, widths.end);
+    }
+
+    this._data[this._data.length - 1].push({
+      x: point.x,
+      y: point.y,
+      time: point.time,
+      color: this.penColor
+    });
   }
-
-  this._data[this._data.length - 1].push({
-    x: point.x,
-    y: point.y,
-    time: point.time
-  });
 };
 
 SignaturePad.prototype._strokeEnd = function (event) {
   var canDrawCurve = this.points.length > 2;
-  var point = this.points[0];
+  var point = this.points[0]; // Point instance
 
   if (!canDrawCurve && point) {
     this._drawDot(point);
   }
 
+  if (point) {
+    var lastPointGroup = this._data[this._data.length - 1];
+    var lastPoint = lastPointGroup[lastPointGroup.length - 1]; // plain object
+
+    // When drawing a dot, there's only one point in a group, so without this check
+    // such group would end up with exactly the same 2 points.
+    if (!point.equals(lastPoint)) {
+      lastPointGroup.push({
+        x: point.x,
+        y: point.y,
+        time: point.time,
+        color: this.penColor
+      });
+    }
+  }
+
   if (typeof this.onEnd === 'function') {
     this.onEnd(event);
   }
@@ -416,10 +496,16 @@ SignaturePad.prototype._fromData = function (pointGroups, drawCurve, drawDot) {
       for (var j = 0; j < group.length; j += 1) {
         var rawPoint = group[j];
         var point = new Point(rawPoint.x, rawPoint.y, rawPoint.time);
+        var color = rawPoint.color;
 
         if (j === 0) {
           // First point in a group. Nothing to draw yet.
+
+          // All points in the group have the same color, so it's enough to set
+          // penColor just at the beginning.
+          this.penColor = color;
           this._reset();
+
           this._addPoint(point);
         } else if (j !== group.length - 1) {
           // Middle point in a group.
@@ -428,7 +514,7 @@ SignaturePad.prototype._fromData = function (pointGroups, drawCurve, drawDot) {
               widths = _addPoint2.widths;
 
           if (curve && widths) {
-            drawCurve(curve, widths);
+            drawCurve(curve, widths, color);
           }
         } else {
           // Last point in a group. Do nothing.
@@ -447,17 +533,18 @@ SignaturePad.prototype._toSVG = function () {
 
   var pointGroups = this._data;
   var canvas = this._canvas;
+  var ratio = Math.max(window.devicePixelRatio || 1, 1);
   var minX = 0;
   var minY = 0;
-  var maxX = canvas.width;
-  var maxY = canvas.height;
+  var maxX = canvas.width / ratio;
+  var maxY = canvas.height / ratio;
   var svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
 
   svg.setAttributeNS(null, 'width', canvas.width);
   svg.setAttributeNS(null, 'height', canvas.height);
 
-  this._fromData(pointGroups, function (curve, widths) {
-    var path = document.createElementNS('http;//www.w3.org/2000/svg', 'path');
+  this._fromData(pointGroups, function (curve, widths, color) {
+    var path = document.createElement('path');
 
     // Need to check curve for NaN values, these pop up when drawing
     // lines on the canvas that are not continuous. E.g. Sharp corners
@@ -466,27 +553,41 @@ SignaturePad.prototype._toSVG = function () {
       var attr = 'M ' + curve.startPoint.x.toFixed(3) + ',' + curve.startPoint.y.toFixed(3) + ' ' + ('C ' + curve.control1.x.toFixed(3) + ',' + curve.control1.y.toFixed(3) + ' ') + (curve.control2.x.toFixed(3) + ',' + curve.control2.y.toFixed(3) + ' ') + (curve.endPoint.x.toFixed(3) + ',' + curve.endPoint.y.toFixed(3));
 
       path.setAttribute('d', attr);
-      path.setAttributeNS(null, 'stroke-width', (widths.end * 2.25).toFixed(3));
-      path.setAttributeNS(null, 'stroke', _this2.penColor);
-      path.setAttributeNS(null, 'fill', 'none');
-      path.setAttributeNS(null, 'stroke-linecap', 'round');
+      path.setAttribute('stroke-width', (widths.end * 2.25).toFixed(3));
+      path.setAttribute('stroke', color);
+      path.setAttribute('fill', 'none');
+      path.setAttribute('stroke-linecap', 'round');
 
       svg.appendChild(path);
     }
   }, function (rawPoint) {
-    var circle = document.createElementNS('http://www.w3.org/2000/svg', 'circle');
+    var circle = document.createElement('circle');
     var dotSize = typeof _this2.dotSize === 'function' ? _this2.dotSize() : _this2.dotSize;
-    circle.setAttributeNS(null, 'r', dotSize);
-    circle.setAttributeNS(null, 'cx', rawPoint.x);
-    circle.setAttributeNS(null, 'cy', rawPoint.y);
-    circle.setAttributeNS(null, 'fill', _this2.penColor);
+    circle.setAttribute('r', dotSize);
+    circle.setAttribute('cx', rawPoint.x);
+    circle.setAttribute('cy', rawPoint.y);
+    circle.setAttribute('fill', rawPoint.color);
 
     svg.appendChild(circle);
   });
 
   var prefix = 'data:image/svg+xml;base64,';
-  var header = '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="' + minX + ' ' + minY + ' ' + maxX + ' ' + maxY + '">';
+  var header = '<svg' + ' xmlns="http://www.w3.org/2000/svg"' + ' xmlns:xlink="http://www.w3.org/1999/xlink"' + (' viewBox="' + minX + ' ' + minY + ' ' + maxX + ' ' + maxY + '"') + (' width="' + maxX + '"') + (' height="' + maxY + '"') + '>';
   var body = svg.innerHTML;
+
+  // IE hack for missing innerHTML property on SVGElement
+  if (body === undefined) {
+    var dummy = document.createElement('dummy');
+    var nodes = svg.childNodes;
+    dummy.innerHTML = '';
+
+    for (var i = 0; i < nodes.length; i += 1) {
+      dummy.appendChild(nodes[i].cloneNode(true));
+    }
+
+    body = dummy.innerHTML;
+  }
+
   var footer = '</svg>';
   var data = header + body + footer;
 
@@ -503,6 +604,8 @@ SignaturePad.prototype.fromData = function (pointGroups) {
   }, function (rawPoint) {
     return _this3._drawDot(rawPoint);
   });
+
+  this._data = pointGroups;
 };
 
 SignaturePad.prototype.toData = function () {
@@ -511,4 +614,4 @@ SignaturePad.prototype.toData = function () {
 
 return SignaturePad;
 
-})));
+})));
\ No newline at end of file
diff --git a/librerias/modal.php b/librerias/modal.php
new file mode 100644
index 0000000..a68a555
--- /dev/null
+++ b/librerias/modal.php
@@ -0,0 +1,51 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+
+  <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no">
+
+  <meta name="apple-mobile-web-app-capable" content="yes">
+  <meta name="apple-mobile-web-app-status-bar-style" content="black">
+
+  <link rel="stylesheet" href="firma/signature-pad.css">
+  <link rel="stylesheet" href="bootstrap/css/bootstrap.min.css?'.time().'"  >
+     <script src="jquery/jquery-2.1.4.min.js" ></script>
+    <script src="bootstrap/js/bootstrap.min.js" ></script>
+
+</head>
+<body >
+
+
+<div id='signature-pad' class='m-signature-pad'>
+    <div class='m-signature-pad--body'>
+      <canvas onmouseout="     if (signaturePad.isEmpty()) {    alert('Por favor firme primero.');    } else {       saveViaAJAX();    }"  id='canvas_firma'   ></canvas>
+    </div>
+    <div class='m-signature-pad--footer'>
+      <div class='description'>Firme arriba</div>
+      <div class='left'>
+        <button type='button' id='clear' class='button clear btn-warning' data-action="clear" onclick="document.getElementById('<?php echo $_REQUEST[campo]?>[<?php echo $_REQUEST[item]?>]').value=''; ">Limpiar</button>
+      </div>
+      
+      <div class='right'>
+        <button type='button' class='button save btn-success' data-action='save-data'>Confirmar firma</button>
+
+      </div>
+    </div>
+</div>
+  <script type="text/javascript">
+  		function saveViaAJAX()
+{
+	var testCanvas = document.getElementById('canvas_firma');
+	var canvasData = testCanvas.toDataURL('image/svg+xml');
+	var postData = 'canvasData='+canvasData;
+	//mapa = window.parent.document.getElementById('<?php echo $_REQUEST[id]?>');
+	var debugConsole= window.parent.document.getElementById('<?php echo $_REQUEST[campo]?>[<?php echo $_REQUEST[item]?>]' );
+	debugConsole.value=canvasData;
+
+}
+</script>
+<script src="firma/signature_pad.js"></script>
+<script src="firma/app.js"></script>
+</body>
+</html>
diff --git a/milfs/funciones/funciones.php b/milfs/funciones/funciones.php
index 4d5e889..3459e84 100644
--- a/milfs/funciones/funciones.php
+++ b/milfs/funciones/funciones.php
@@ -13430,38 +13430,9 @@ elseif($campo_tipo_accion == 'email'){$render = "
 		}
 		elseif($campo_tipo_accion == 'firma'){
 
-			$render = "
-		<link href='librerias/firma/signature-pad.css' rel='stylesheet'>
-	 <div id='signature-pad' class='m-signature-pad'>
-    <div class='m-signature-pad--body'>
-      <canvas id='canvas_firma' onmouseout=\"     if (signaturePad.isEmpty()) {    alert('Por favor firme primero.');    } else {       saveViaAJAX();    }\" ></canvas>
-    </div>
-    <div class='m-signature-pad--footer'>
-      <div class='description'>Firme arriba</div>
-      <div class='left'>
-        <button type='button' class='button clear btn-warning' data-action=\"clear\" onclick=\"document.getElementById('$id_campo').value=''\">Limpiar</button>
-      </div>
-      <input type='hidden' id='".$id_campo."[".$item."]'  name='".$id_campo."[".$item."]' >
-      <div class='right'>
-        <button type='button' class='button save btn-success' data-action='save-data'>Confirmar firma</button>
-
-      </div>
-    </div>
-  </div>
-  <script type=\"text/javascript\">
-  		function saveViaAJAX()
-{
-	var testCanvas = document.getElementById('canvas_firma');
-	var canvasData = testCanvas.toDataURL('image/svg+xml');
-	var postData = 'canvasData='+canvasData;
-	var debugConsole= document.getElementById('".$id_campo."[".$item."]' );
-	debugConsole.value=canvasData;
-
-}
-</script>
-		<script src=\"librerias/firma/signature_pad.js\"></script>
-		<script src=\"librerias/firma/app.js\"></script>
-
+$render = "
+<input type='hidden' id='".$id_campo."[".$item."]'  name='".$id_campo."[".$item."]' >
+<iframe  width='100%' height='400px'  src='librerias/firma/modal.php?campo=$id_campo&item=$item' frameborder='0' allowFullScreen   ></iframe>
 ";
 			$cols='12';
 		}
@@ -13992,7 +13963,7 @@ $mensaje_agradecimiento = remplacetas('form_parametrizacion','campo',"$formulari
 			 	$envio
 			 </div>
 		</div>
-	</div> $mostrar_json";
+	</div> <!-- $mostrar_json -->";
 
 //	$mail ='1';
 	}
