Stripping tput off when terminal is not xterm

Bash/header

@@ -6,13 +6,25 @@ pullcmd='wget --timeout=5 -q -O -'
 ## Visual Functions ##
 # These function creates a visual indicator that a step has happened.
 function header () {
+    if [[ "$TERM" =~ xterm* ]]; then
         tput setaf 1; tput bold; echo $@; tput sgr0; return
+    else
+        echo $@;
+    fi
 }
 function errorheader () {
+    if [[ "$TERM" =~ xterm* ]]; then
         tput setaf 1 1>&2; tput bold 1>&2; echo "ERROR:" $@ 1>&2; tput sgr0 1>&2; return
+    else
+        echo $@;
+    fi
 }
 function infoheader() {
+    if [[ "$TERM" =~ xterm* ]]; then
         tput setaf 3; tput bold; echo $@; tput sgr0; return
+    else
+        echo $@;
+    fi
 }
 function colorstrip() {
     perl -e 'use strict; use warnings; while(<>) { s/\e\[[\d;]*m//g; print; }'