Don't try to autodetect http_proxy on HP-UX - it takes a looong time.

.zprofile

@@ -1,5 +1,5 @@
 #
-# $Id: .zprofile,v 1.18 2007-10-01 15:06:50 hjp Exp $
+# $Id: .zprofile,v 1.19 2007-10-09 11:49:11 hjp Exp $
 #
 # this is sourced for login shells after .zshenv but before .zshrc
 #
@@ -25,12 +25,17 @@ then
     export RGBDEF=/etc/X11/rgb.txt
 fi
 
-unset http_proxy
-for i in http://zeno.hjp.at:3128/ http://squid.wsr.ac.at:3128/
-do
-    if http_proxy=$i wget -q -O /dev/null http://www.hjp.at
-    then
-	http_proxy=$i
-	break
-    fi
-done
+if [ "`uname`" = HP-UX ]
+then
+    export http_proxy=http://squid.wsr.ac.at:3128/
+else 
+    unset http_proxy
+    for i in http://zeno.hjp.at:3128/ http://squid.wsr.ac.at:3128/
+    do
+	if http_proxy=$i wget -q -O /dev/null http://www.hjp.at
+	then
+	    export http_proxy=$i
+	    break
+	fi
+    done
+fi