diff --git a/db_operations.php b/db_operations.php
index 40ec65272..6ca9461cb 100644
--- a/db_operations.php
+++ b/db_operations.php
@@ -646,6 +646,13 @@ if ($cfgRelation['pdfwork'] && $num_tables > 0) { ?>
             .' alt="" width="16" height="16" />';
     }
     echo __('Edit PDF Pages') . '</a></fieldset>';
+	// Export Relational Schema View
+	echo '<fieldset><a href="export_relation_schema.php?' . $url_query . '">';
+    if ($cfg['PropertiesIconic']) {
+        echo '<img class="icon" src="' . $pmaThemeImage . 'b_edit.png"'
+            .' alt="" width="16" height="16" />';
+    }
+    echo __('Export Relational Schema View') . '</a></fieldset>';
 } // end if
 
 /**
diff --git a/js/functions.js b/js/functions.js
index a3080180b..7fcf00b7e 100644
--- a/js/functions.js
+++ b/js/functions.js
@@ -1434,8 +1434,14 @@ function refreshDragOption(e) {
 function refreshLayout() {
     var elm = $('#pdflayout')
     var orientation = $('#orientation_opt').val();
-    var paper = $('#paper_opt').val();
-
+	if($('#paper_opt').length==1)
+	{
+	var paper = $('#paper_opt').val();		
+	}
+	else
+	{
+		var paper = 'A4';
+		}
     if (orientation == 'P') {
         posa = 'x';
         posb = 'y';
@@ -1725,5 +1731,24 @@ $(document).ready(function(){
         insertQuery(evt.target.id);
         return false;
     });
+	
+	$("#export_type").change(function(){
+						
+						if($("#export_type").val()!='pdf')
+						{
+							$("#show_grid_opt").attr("disabled","disabled");
+							$("#orientation_opt").attr("disabled","disabled");
+							$("#with_doc").attr("disabled","disabled");
+							$(this).css("background-color","yellow");
+
+							}
+						if($("#export_type").val()=='pdf')
+						{
+							$("#show_grid_opt").removeAttr("disabled");
+							$("#orientation_opt").removeAttr("disabled");
+							$("#with_doc").removeAttr("disabled","disabled");
+							}	
+						
+						});
 });