Index: trunk/kernel/admin/include/toolbar/catselect.php
===================================================================
diff -u -r101 -r407
--- trunk/kernel/admin/include/toolbar/catselect.php	(.../catselect.php)	(revision 101)
+++ trunk/kernel/admin/include/toolbar/catselect.php	(.../catselect.php)	(revision 407)
@@ -238,25 +238,28 @@
    }
 
 
-   function CheckList(tabId)
-   {
-     var result="";
+	function CheckList(tabId)
+	{
+		var result = "";
+		var ItemsChecked = 0;
+		if(toolbar)
+		{   
+			var tab = document.getElementById(tabId);
+			if (!tab) return;
+			var inputs = tab.getElementsByTagName("INPUT");
+			for (var j = 0; j < inputs.length; j++)
+			if( ((inputs[j].type == "checkbox") || (inputs[j].type == "radio")) && (inputs[j].inportalType) )
+			{
+				if(inputs[j].checked)
+				{
+					result = result + inputs[j].value+',';
+					ItemsChecked++;
+				}
+			}
+			return (ItemsChecked == 0) ? 0 : result;
+		}
+	}
 
-     if(toolbar)
-     {   
-      var tab = document.getElementById(tabId);
-      if (!tab) return;
-      var inputs = tab.getElementsByTagName("INPUT");
-      for (var j = 0; j < inputs.length; j++)
-      if (((inputs[j].type == "checkbox") || (inputs[j].type == "radio")) && (inputs[j].inportalType))
-      {
-          if(inputs[j].checked)
-              result = result + inputs[j].value+',';
-      }
-      return result;
-     }
-   }
-
    function select_check_submit()
    {
      var formname = '';
Index: trunk/globals.php
===================================================================
diff -u -r392 -r407
--- trunk/globals.php	(.../globals.php)	(revision 392)
+++ trunk/globals.php	(.../globals.php)	(revision 407)
@@ -1181,7 +1181,7 @@
 		if(!$post_priority) // follow gpc_order in php.ini
 			return isset($_REQUEST[$name]) ? $_REQUEST[$name] : false;
 		else	// get variable from post 1stly if not found then from get
-			return isset($_POST[$name]) && $_POST[$name] ? $_POST[$name] : ( isset($_GET[$name]) && $_GET[$name] ? $_GET[$name] : false );	
+			return isset($_POST[$name]) && $_POST[$name] !== false ? $_POST[$name] : ( isset($_GET[$name]) && $_GET[$name] ? $_GET[$name] : false );	
 	}
 }
 
Index: trunk/kernel/action.php
===================================================================
diff -u -r402 -r407
--- trunk/kernel/action.php	(.../action.php)	(revision 402)
+++ trunk/kernel/action.php	(.../action.php)	(revision 407)
@@ -37,17 +37,26 @@
 	{
 		case "m_save_import_config":
          	// Set New Import Category
-         	if( GetVar('categorylist', true) )
+         	if( GetVar('categorylist', true) !== false )
          	{
    		 		$cat_id = $_POST['categorylist'];
 			  	$objSession->SetVariable('categoryid', $cat_id); 		  	
-   			  	$cat = $objCatList->GetByResource($cat_id);
-    			if(is_object($cat))
-			    {    
-      				$navbar = $cat->Get('CachedNavbar');
-      				$objSession->SetVariable('catnavbar', $navbar);
-      				$objSession->SetVariable('import_category_id', $cat->UniqueId() );
-			    }
+   			  	
+			  	if($cat_id > 0)
+			  	{
+				  	$cat = $objCatList->GetByResource($cat_id);
+	    			if(is_object($cat))
+				    {    
+	      				$navbar = $cat->Get('CachedNavbar');
+	      				$objSession->SetVariable('catnavbar', $navbar);
+	      				$objSession->SetVariable('import_category_id', $cat->UniqueId() );
+				    }
+			  	}elseif($cat_id == 0)
+			  	{
+			  		global $objConfig;
+	      			$objSession->SetVariable('import_category_id', 0);
+			  	}
+			    
 			    $objSession->SetVariable('categorylist', $_POST['categorylist']);
 			}