--- OsmarenderPlugin.java.orig	2008-11-01 11:57:12.000000000 +0000
+++ OsmarenderPlugin.java	2008-11-01 12:39:11.000000000 +0000
@@ -6,6 +6,7 @@
 import java.io.PrintWriter;
 import java.io.BufferedReader;
 import java.io.FileReader;
+import java.io.File;
 import java.util.Collection;
 import java.util.HashSet;
 
@@ -72,14 +73,14 @@
 			String firefox = Main.pref.get("osmarender.firefox", "firefox");
 			try {
 				// write to plugin dir
-				OsmWriter.output(new FileOutputStream(getPluginDir()+"data.osm"), new OsmWriter.All(fromDataSet, true));
+				OsmWriter.output(new FileOutputStream(getPluginDir()+File.separator+"data.osm"), new OsmWriter.All(fromDataSet, true));
 
 				// get the exec line
 				String exec = firefox;
 				if (System.getProperty("os.name").startsWith("Windows"))
-					exec += " file:///"+getPluginDir().replace('\\','/').replace(" ","%20")+"generated.xml\"";
+					exec += " file:///"+getPluginDir().replace('\\','/').replace(" ","%20")+File.separator+"generated.xml\"";
 				else
-					exec += " "+getPluginDir()+"generated.xml";
+					exec += " "+getPluginDir()+File.separator+"generated.xml";
 
 				// launch up the viewer
 				Runtime.getRuntime().exec(exec);
@@ -152,8 +153,8 @@
 			"maxlon=\"" + b.max.lon() + "\" " + "/>";
 
 		BufferedReader reader = new BufferedReader(
-				new FileReader( getPluginDir() + "osm-map-features.xml") );
-		PrintWriter writer = new PrintWriter( getPluginDir() + "generated.xml");
+				new FileReader( getPluginDir() + File.separator + "osm-map-features.xml") );
+		PrintWriter writer = new PrintWriter( getPluginDir() + File.separator + "generated.xml");
 
 		// osm-map-fetaures.xml contain two placemark
 		// (bounds_mkr1 and bounds_mkr2). We write the bounds tag