diff --git a/ka.html b/ka.html
index e7f052a..4cfcb40 100644
--- a/ka.html
+++ b/ka.html
@@ -40,7 +40,7 @@
 					</div>
 					<div class="is-col"> 
 						<input required type="input"
-						   size="32" id="projekt" name="project"
+						   size="32" id="projectid" name="project"
 						   placeholder="Projekt-ID*" />
 					</div>
 				</div>
@@ -48,7 +48,7 @@
 				<div class="is-row">
 					<div class="is-col"> 
 						<input required type="input" size="32"
-				`			name="realname" placeholder="Realname*" />
+				`		id="realname"	name="realname" placeholder="Realname*" />
 					</div>
 					<div class="is-col"> 
 					</div>
@@ -224,14 +224,15 @@
 		</div>
 		<button onclick="addTableRow();"
 			class="button is-green">Antrag elektronisch versenden</button>
-		<button type="button" onclick="alert('hello');"
+
+		<button type="button" onclick="downloadDocument();"
 			class="button is-orange">Herunterladen</button>
 	
 		</div>
 	</div>
 	  
   
-	<!--		<input type="submit" style="display:none" name="submitButton" />   -->
+	<!--		<input type="submit" style="display:none" name="submitButton" />  -->
 	</form>
 	
 
diff --git a/kaform.js b/kaform.js
index 3e7f895..82beb63 100644
--- a/kaform.js
+++ b/kaform.js
@@ -29,7 +29,7 @@ function deleteTableRow(rowId){
 
     var target = document.getElementById("upload-target"+rowId);
 //            this.message = app.message;    
-   var children = target.children;
+//   var children = target.children;
 
     // delete all uploaded elements
 /*    for (var i = 0; i < children.length; i++) {
@@ -56,6 +56,17 @@ function deleteTableRow(rowId){
 }
 
 
+function countRows(){
+	var ctr=0;
+	for (i=0; i<currentRowId; i++){
+    		var element = document.getElementById("trow"+i);
+		if (element)
+			ctr++
+	}
+	return ctr;
+}
+
+
 function showAlert(text) {
 
 	$K.app.message.show( { message: `${text}`, position: 'centered', type: 'is-error' });
@@ -210,7 +221,7 @@ $K.add('module', 'kaform', {
                 opened: function(sender)
                 {
                     console.log('Tab box is ',sender.getActiveBox());
-		  this.message.show({ message: 'My message' });
+//		  this.message.show({ message: 'My message' });
 		}
             }
         },
@@ -239,7 +250,38 @@ $K.ajax.get({
 setUploadField();
 
 
-
+function check_field(fieldid,message){
+	var f = document.getElementById(fieldid).value;
+	if (! f.trim().length ) {
+		document.getElementById(fieldid).focus();
+		showAlert(message)
+		return false;
+	}
+	return true;
+}
 
 // add on table row
 //addTableRow();
+//
+//
+//
+function downloadDocument()
+{
+	if (!check_field("nickname", "Bitte gib deinen Nicknamen an!"))
+		return;
+	if (!check_field("realname", "Bitte gib deinen Realnamen an!"))
+		return;
+
+	if (!check_field("email", "Bitte gib deinen E-Mail-Adresse an!"))
+		return;
+	if (!check_field("projectid", "Bitte gib idie Projekt-ID an!"))
+		return;
+
+	if (countRows()==0){
+		document.getElementById("a_type").focus();
+		showAlert("Bitte f&uuml;ge mind. eine Auslage hinzu!");
+		return;
+	}
+
+	document.getElementById("theform").submit(); 	
+}