phillipadsmith/mod_rewrite_rules

## mod_rewrite_rules
RewriteEngine On

# If the user is asking for the fullsite, set a cookie, remove the query, and stop.
RewriteCond %{QUERY_STRING} ^fullsite$
RewriteRule ^/?(.*)$ http://domain.com/$1? [L,CO=fullsite:yes:.domain.com]

# If the user is asking for the mobilesite, set a cookie, remove the query, redirect and stop.
RewriteCond %{QUERY_STRING} ^mobilesite$
RewriteRule ^/?(.*)$ http://m.domain.com/$1? [L,CO=fullsite:no:.domain.com]

# If the visit is from a mobile user agent, and there's no fullsite cookie, redirect and stop
# if the browser accepts these mime-types, it's definitely mobile, or pretending to be
RewriteCond %{HTTP_ACCEPT} "text\/vnd\.wap\.wml|application\/vnd\.wap\.xhtml\+xml" [NC,OR]
# a bunch of user agent tests
RewriteCond %{HTTP_USER_AGENT} "sony|symbian|nokia|samsung|mobile|windows ce|epoc" [NC,OR]
RewriteCond %{HTTP_USER_AGENT} "mini|nitro|j2me|midp-|cldc-|netfront|mot|up\.browser|up\.link|audiovox"[NC,OR]
RewriteCond %{HTTP_USER_AGENT} "ericsson,|panasonic|philips|sanyo|sharp|sie-"[NC,OR]
RewriteCond %{HTTP_USER_AGENT} "portalmmm|blazer|avantgo|danger|palm|series60|palmsource|pocketpc"[NC,OR]
RewriteCond %{HTTP_USER_AGENT} "smartphone|rover|ipaq|au-mic,|alcatel|ericy|vodafone\/|wap1\.|wap2\.|iPhone|android"[NC,OR]
RewriteCond %{HTTP_USER_AGENT} "android|blackberry|iphone|ipod|iemobile|opera mobile|palmos|webos|googlebot-mobile" [NC]
# Note: I've updated the conditions above to skip iPads. However,
# mobile safari still reports itself as 'mobile' and thus needs an explicit opt-out
RewriteCond %{HTTP_USER_AGENT} !iPad [NC]
RewriteCond %{HTTP_COOKIE} !^.*fullsite=yes.*$ [NC]
RewriteRule ^/?(.*)$ http://m.domain.com/$1 [L,R=302]
	RewriteEngine On

	# If the user is asking for the fullsite, set a cookie, remove the query, and stop.
	RewriteCond %{QUERY_STRING} ^fullsite$
	RewriteRule ^/?(.*)$ http://domain.com/$1? [L,CO=fullsite:yes:.domain.com]

	# If the user is asking for the mobilesite, set a cookie, remove the query, redirect and stop.
	RewriteCond %{QUERY_STRING} ^mobilesite$
	RewriteRule ^/?(.*)$ http://m.domain.com/$1? [L,CO=fullsite:no:.domain.com]

	# If the visit is from a mobile user agent, and there's no fullsite cookie, redirect and stop
	# if the browser accepts these mime-types, it's definitely mobile, or pretending to be
	RewriteCond %{HTTP_ACCEPT} "text\/vnd\.wap\.wml\|application\/vnd\.wap\.xhtml\+xml" [NC,OR]
	# a bunch of user agent tests
	RewriteCond %{HTTP_USER_AGENT} "sony\|symbian\|nokia\|samsung\|mobile\|windows ce\|epoc" [NC,OR]
	RewriteCond %{HTTP_USER_AGENT} "mini\|nitro\|j2me\|midp-\|cldc-\|netfront\|mot\|up\.browser\|up\.link\|audiovox"[NC,OR]
	RewriteCond %{HTTP_USER_AGENT} "ericsson,\|panasonic\|philips\|sanyo\|sharp\|sie-"[NC,OR]
	RewriteCond %{HTTP_USER_AGENT} "portalmmm\|blazer\|avantgo\|danger\|palm\|series60\|palmsource\|pocketpc"[NC,OR]
	RewriteCond %{HTTP_USER_AGENT} "smartphone\|rover\|ipaq\|au-mic,\|alcatel\|ericy\|vodafone\/\|wap1\.\|wap2\.\|iPhone\|android"[NC,OR]
	RewriteCond %{HTTP_USER_AGENT} "android\|blackberry\|iphone\|ipod\|iemobile\|opera mobile\|palmos\|webos\|googlebot-mobile" [NC]
	# Note: I've updated the conditions above to skip iPads. However,
	# mobile safari still reports itself as 'mobile' and thus needs an explicit opt-out
	RewriteCond %{HTTP_USER_AGENT} !iPad [NC]
	RewriteCond %{HTTP_COOKIE} !^.fullsite=yes.$ [NC]
	RewriteRule ^/?(.*)$ http://m.domain.com/$1 [L,R=302]