diff -r fa5bc796261d -r db8fd3ff693c project_files/HedgewarsMobile/Classes/ExtraCategories.m
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/project_files/HedgewarsMobile/Classes/ExtraCategories.m	Sun Nov 06 16:41:14 2011 +0100
@@ -0,0 +1,146 @@
+/*
+ * Hedgewars-iOS, a Hedgewars port for iOS devices
+ * Copyright (c) 2009-2010 Vittorio Giovara <vittorio.giovara@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * File created on 25/10/2011.
+ */
+
+
+#import "ExtraCategories.h"
+#import <QuartzCore/QuartzCore.h>
+#import <CommonCrypto/CommonDigest.h>
+
+
+#pragma mark -
+@implementation UIScreen (safe)
+
+-(CGFloat) safeScale {
+    CGFloat theScale = 1.0f;
+    if ([self respondsToSelector:@selector(scale)])
+         theScale = [self scale];
+    return theScale;
+}
+
+@end
+
+
+#pragma mark -
+@implementation UITableView (backgroundColor)
+
+-(void) setBackgroundColorForAnyTable:(UIColor *) color {
+    if ([self respondsToSelector:@selector(backgroundView)]) {
+        UIView *backView = [[UIView alloc] initWithFrame:self.frame];
+        backView.backgroundColor = color;
+        self.backgroundView = backView;
+        [backView release];
+        self.backgroundColor = [UIColor clearColor];
+    } else
+        self.backgroundColor = color;
+}
+
+@end
+
+
+#pragma mark -
+@implementation UIColor (HWColors)
+
++(UIColor *)darkYellowColor {
+    return [UIColor colorWithRed:(CGFloat)0xFE/255 green:(CGFloat)0xC0/255 blue:0 alpha:1];
+}
+
++(UIColor *)lightYellowColor {
+    return [UIColor colorWithRed:(CGFloat)0xF0/255 green:(CGFloat)0xD0/255 blue:0 alpha:1];
+}
+
++(UIColor *)darkBlueColor {
+    return [UIColor colorWithRed:(CGFloat)0x0F/255 green:0 blue:(CGFloat)0x42/255 alpha:1];
+}
+
+// older devices don't get any transparency for performance reasons
++(UIColor *)darkBlueColorTransparent {
+    return [UIColor colorWithRed:(CGFloat)0x0F/255
+                           green:0
+                            blue:(CGFloat)0x55/255
+                           alpha:IS_NOT_POWERFUL([HWUtils modelType]) ? 1 : 0.6f];
+}
+
++(UIColor *)blackColorTransparent {
+    return [UIColor colorWithRed:0
+                           green:0
+                            blue:0
+                           alpha:IS_NOT_POWERFUL([HWUtils modelType]) ? 1 : 0.65f];
+}
+
+@end
+
+
+#pragma mark -
+@implementation UILabel (quickStyle)
+
+-(UILabel *)initWithFrame:(CGRect)frame andTitle:(NSString *)title {
+    return [self initWithFrame:frame
+                      andTitle:title
+               withBorderWidth:1.5f
+               withBorderColor:[UIColor darkYellowColor]
+           withBackgroundColor:[UIColor darkBlueColor]];
+}
+
+-(UILabel *)initWithFrame:(CGRect)frame andTitle:(NSString *)title  withBorderWidth:(CGFloat) borderWidth {
+    return [self initWithFrame:frame
+                      andTitle:title
+               withBorderWidth:borderWidth
+               withBorderColor:[UIColor darkYellowColor]
+           withBackgroundColor:[UIColor darkBlueColorTransparent]];
+}
+
+-(UILabel *)initWithFrame:(CGRect)frame andTitle:(NSString *)title  withBorderWidth:(CGFloat) borderWidth
+          withBorderColor:(UIColor *)borderColor withBackgroundColor:(UIColor *)backColor{
+    UILabel *theLabel = [self initWithFrame:frame];
+    theLabel.backgroundColor = backColor;
+
+    if (title != nil) {
+        theLabel.text = title;
+        theLabel.textColor = [UIColor lightYellowColor];
+        theLabel.textAlignment = UITextAlignmentCenter;
+        theLabel.font = [UIFont boldSystemFontOfSize:[UIFont labelFontSize]*80/100];
+    }
+
+    [theLabel.layer setBorderWidth:borderWidth];
+    [theLabel.layer setBorderColor:borderColor.CGColor];
+    [theLabel.layer setCornerRadius:8.0f];
+    [theLabel.layer setMasksToBounds:YES];
+
+    return theLabel;
+}
+
+@end
+
+
+#pragma mark -
+@implementation NSString (MD5)
+
+-(NSString *)MD5hash {
+    const char *cStr = [self UTF8String];
+    unsigned char result[16];
+    CC_MD5( cStr, strlen(cStr), result );
+    return [NSString stringWithFormat:
+            @"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
+            result[0], result[1], result[2], result[3], result[4], result[5],
+            result[6], result[7], result[8], result[9], result[10], result[11],
+            result[12], result[13], result[14], result[15]];
+}
+
+@end