diff --git a/css/swad18.77.css b/css/swad18.77.css
index 00d2a00fd..2953df345 100644
--- a/css/swad18.77.css
+++ b/css/swad18.77.css
@@ -2725,7 +2725,7 @@ a:hover img.CENTRE_PHOTO_SHOW
 	}
 .MED_UPL_ICO	/* Upload icon */
 	{
-	width:16px;
+	/* width:16px; */
 	height:16px;
 	margin:5px 20px;
 	vertical-align:middle;
diff --git a/js/swad18.77.js b/js/swad18.77.js
index f2df976dd..1ba0b9d40 100644
--- a/js/swad18.77.js
+++ b/js/swad18.77.js
@@ -778,11 +778,16 @@ function mediaActivateUpload (id) {
 	    document.getElementById (id + '_par_upl').disabled = false;			// Enable upload
 
 		document.getElementById (id + '_ico_upl').style.opacity = '1';		// Highlight upload icon
-		document.getElementById (id + '_ico_emb').style.opacity = '0.2';	// Shadow embed icon
+		document.getElementById (id + '_ico_emb').style.opacity = '0.3';	// Shadow embed icon
 
-		document.getElementById (id + '_fil').style.display = '';			// Show input
-		document.getElementById (id + '_url').style.display = '';			// Show input
-		document.getElementById (id + '_tit').style.display = '';			// Show input
+		document.getElementById (id + '_fil').style.display = '';			// Show file input
+		document.getElementById (id + '_fil').disabled = false;				// Enable file input
+
+		document.getElementById (id + '_url').style.display = '';			// Show URL input
+		document.getElementById (id + '_url').disabled = false;				// Enable URL input
+
+		document.getElementById (id + '_tit').style.display = '';			// Show title input
+		document.getElementById (id + '_tit').disabled = false;				// Enable title input
 	}
 }
 
@@ -793,11 +798,16 @@ function mediaActivateEmbed (id) {
 	    document.getElementById (id + '_par_emb').disabled = false;			// Enable embed
 
 		document.getElementById (id + '_ico_emb').style.opacity = '1';		// Highlight embed icon
-		document.getElementById (id + '_ico_upl').style.opacity = '0.2';	// Shadow upload icon
+		document.getElementById (id + '_ico_upl').style.opacity = '0.3';	// Shadow upload icon
 
-		document.getElementById (id + '_fil').style.display = 'none';		// Hide input
-		document.getElementById (id + '_url').style.display = '';			// Show input
-		document.getElementById (id + '_tit').style.display = 'none';		// Hide input
+		document.getElementById (id + '_fil').style.display  = 'none';		// Hide file input
+		document.getElementById (id + '_fil').disabled = true;				// Disable file input
+
+		document.getElementById (id + '_url').style.display = '';			// Show URL input
+		document.getElementById (id + '_url').disabled = false;				// Enable URL input
+
+		document.getElementById (id + '_tit').style.display = 'none';		// Hide title input
+		document.getElementById (id + '_tit').disabled = true;				// Disable title input
 	}
 }
 
diff --git a/swad_changelog.h b/swad_changelog.h
index fce9afaa5..cd5f89091 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -450,11 +450,13 @@ En OpenSWAD:
 ps2pdf source.ps destination.pdf
 */
 
-#define Log_PLATFORM_VERSION	"SWAD 18.77 (2019-03-15)"
+#define Log_PLATFORM_VERSION	"SWAD 18.77.1 (2019-03-15)"
 #define CSS_FILE		"swad18.77.css"
 #define JS_FILE			"swad18.77.js"
 /*
+TODO: Mejorar javascript subida media
 TODO: Fix edition of media in test edition
+	Version 18.77.1:  Mar 14, 2019 	Embedded YouTube videos. Not finished. (240217 lines)
 	Version 18.77:    Mar 14, 2019 	Embedded YouTube videos. Not finished. (240214 lines)
 					7 changes necessary in database:
 ALTER TABLE forum_post          CHANGE COLUMN MediaType MediaType ENUM('none','jpg','gif','mp4','webm','ogg','youtube') NOT NULL DEFAULT 'none';
diff --git a/swad_media.c b/swad_media.c
index 4ef8b6c25..d251035e6 100644
--- a/swad_media.c
+++ b/swad_media.c
@@ -299,13 +299,13 @@ void Med_PutMediaUploader (int NumMediaInForm,const char *ClassMediaTitURL)
    Par_PutHiddenParamUnsigned (ParamUploadMedia.Action,(unsigned) Med_ACTION_NEW_MEDIA);
 
    /***** Upload icon *****/
-   fprintf (Gbl.F.Out,"<div id=\"%s_ico_upl\""		// <id>_ico_upl
+   fprintf (Gbl.F.Out,"<div id=\"%s_ico_upl\""			// <id>_ico_upl
 		      " class=\"MED_UPL_ICO_CON\">"
 		      "<img src=\"%s/file-image.svg\""
 	              " alt=\"%s\" title=\"%s\""
 	              " class=\"MED_UPL_ICO ICO_HIGHLIGHT\""
 	              " onclick=\"mediaActivateUpload('%s');\" />"
-	              "</div>",				// <id>_ico_upl
+	              "</div>",					// <id>_ico_upl
             Id,
 	    Gbl.Prefs.URLIcons,
             Txt_Image_video,Txt_Image_video,
@@ -313,65 +313,60 @@ void Med_PutMediaUploader (int NumMediaInForm,const char *ClassMediaTitURL)
 
    /***** Form type *****/
    fprintf (Gbl.F.Out,"<input type=\"hidden\""
-		      " id=\"%s_par_upl\""		// <id>_par_upl
+		      " id=\"%s_par_upl\""			// <id>_par_upl
 		      " name=\"FormType\" value=\"%u\""
 		      " disabled=\"disabled\" />",
 	    Id,
             (unsigned) Med_FORM_FILE);
 
    /***** Embed icon *****/
-   fprintf (Gbl.F.Out,"<div id=\"%s_ico_emb\""		// <id>_ico_emb
+   fprintf (Gbl.F.Out,"<div id=\"%s_ico_emb\""			// <id>_ico_emb
 		      " class=\"MED_UPL_ICO_CON\">"
 		      "<img src=\"%s/youtube-brands.svg\""
 	              " alt=\"%s\" title=\"%s\""
 	              " class=\"MED_UPL_ICO ICO_HIGHLIGHT\""
 	              " onclick=\"mediaActivateEmbed('%s');\" />"
-	              "</div>",				// <id>_ico_emb
+	              "</div>",					// <id>_ico_emb
             Id,
 	    Gbl.Prefs.URLIcons,
-            "Embed URL","Embed URL",
+            "YouTube","YouTube",
             Id);
 
    /***** Form type *****/
    fprintf (Gbl.F.Out,"<input type=\"hidden\""
-		      " id=\"%s_par_emb\""		// <id>_par_emb
+		      " id=\"%s_par_emb\""			// <id>_par_emb
 		      " name=\"FormType\" value=\"%u\""
 		      " disabled=\"disabled\" />",
 	    Id,
             (unsigned) Med_FORM_EMBED);
 
    /***** Media file *****/
-   fprintf (Gbl.F.Out,"<div id=\"%s_fil\""		// <id>_fil
-		      " style=\"display:none;\">"
-	              "<input type=\"file\" name=\"%s\""
-	              " accept=\"image/,video/\" />"
-	              "</div>",				// <id>_fil
+   fprintf (Gbl.F.Out,"<input id=\"%s_fil\" type=\"file\""	// <id>_fil
+	              " name=\"%s\" accept=\"image/,video/\""
+	              " disabled=\"disabled\""
+	              " style=\"display:none;\" />",		// <id>_fil
 	    Id,
             ParamUploadMedia.File);
 
    /***** Media URL *****/
-   fprintf (Gbl.F.Out,"<div id=\"%s_url\""		// <id>_url
-		      " style=\"display:none;\">"
-		      "<input type=\"url\" name=\"%s\""
-                      " placeholder=\"%s\""
-                      " class=\"%s\" maxlength=\"%u\" value=\"\" />"
-                      "</div>",				// <id>_url
+   fprintf (Gbl.F.Out,"<input id=\"%s_url\" type=\"url\""	// <id>_url
+		      " name=\"%s\" placeholder=\"%s\""
+                      " class=\"%s\" maxlength=\"%u\" value=\"\""
+	              " disabled=\"disabled\""
+	              " style=\"display:none;\" />",		// <id>_url
 	    Id,
-            ParamUploadMedia.URL,
-            Txt_Link,
+            ParamUploadMedia.URL,Txt_Link,
             ClassMediaTitURL,Cns_MAX_CHARS_WWW);
 
    /***** Media title *****/
-   fprintf (Gbl.F.Out,"<div id=\"%s_tit\""		// <id>_tit
-		      " style=\"display:none;\">"
-		      "<input type=\"text\" name=\"%s\""
-                      " placeholder=\"%s\""
-                      " class=\"%s\" maxlength=\"%u\" value=\"\" />",
+   fprintf (Gbl.F.Out,"<input id=\"%s_tit\" type=\"text\""	// <id>_tit
+		      " name=\"%s\" placeholder=\"%s\""
+                      " class=\"%s\" maxlength=\"%u\" value=\"\""
+	              " disabled=\"disabled\""
+	              " style=\"display:none;\" />",		// <id>_tit
 	    Id,
-            ParamUploadMedia.Title,
-            Txt_Title_attribution,
+            ParamUploadMedia.Title,Txt_Title_attribution,
             ClassMediaTitURL,Med_MAX_CHARS_TITLE);
-   fprintf (Gbl.F.Out,"</div>");			// <id>_tit
 
    /***** End container *****/
    fprintf (Gbl.F.Out,"</div>");			// container