Attempt to inform user if session has really terminated.
[egate.git] / www / z39util.tcl
index 9efda0b..36a28a1 100644 (file)
@@ -1,5 +1,5 @@
 #
-# $Id: z39util.tcl,v 1.38 1996/03/11 17:40:49 adam Exp $
+# $Id: z39util.tcl,v 1.41 1996/03/14 11:50:51 adam Exp $
 #
 proc saveState {} {
     uplevel #0 {
@@ -120,6 +120,7 @@ proc display-medium {zset no setNo targetNo} {
        set location [$zset getMarc $no field 260 * a] 
        set publisher [$zset getMarc $no field 260 * b]
         set year [$zset getMarc $no field 260 * c]
+        set score [$zset getMarc $no field 999 * r]
     } dispError ] } {
         html { <a href="http:} $env(SCRIPT_NAME) /
         html $sessionId {/showfull.egw/} $setNo + $targetNo + $no + full {">}
@@ -161,6 +162,9 @@ proc display-medium {zset no setNo targetNo} {
             html "No Title"
         }
         html {</a> }
+        if {[scan $score %d nscore]} {
+            html "; Score " $nscore
+        }
     } else {
         html { <a href="http:} $env(SCRIPT_NAME) /
         html $sessionId {/showfull.egw/} $setNo + $targetNo + $no + full {">}
@@ -175,6 +179,7 @@ proc display-brief {zset no setNo targetNo} {
     global env
     global sessionId
 
+    html {<li>}
     set type [$zset type $no]
     if {$type == "SD"} {
         set err [lindex [$zset diag $no] 1]
@@ -520,6 +525,7 @@ proc display-full-marc {zset no setNo targetNo} {
     dl-marc-field $zset $no 537 * "Source of data" {} "<br>\n"
     dl-marc-field $zset $no 538 * "System details" {} "<br>\n"
     dl-marc-field $zset $no 787 {[rstw6]} "Related information" {} "<br>\n"
+    dl-marc-field $zset $no 999 r "Score" {} ", "
     dl-marc-field $zset $no 001 * "Local control number" {} ", "
     html "</dl>\n"
 }
@@ -581,41 +587,47 @@ proc display-full-wais {zset no setNo targetNo} {
     } else {
         set nwi 1
     }
+    html "<dl>\n"
+    html {<dt><b>Title</b>}
     if {$nwi} {
-        html {Title: <a href="} $data(linkage) {">} $data(title) "</a><br>\n"
-        html {URL: } $data(linkage) "<br>\n"
+        html {<dd><a href="} $data(linkage) {">} $data(title) "</a>"
+        html {<dt><b>URL</b>}
+        html {<dd>} $data(linkage) "<br>\n"
     } else {
-        html {Title: } [join [$zset getWAIS $no headline]] "<br>\n"
+        html {<dd>} [join [$zset getWAIS $no headline]]
     }
-    html {Score: } [$zset getWAIS $no score] "<br>\n"
+    html {<dt><b>Score</b><dd>} [$zset getWAIS $no score]
     set lines [$zset getWAIS $no lines]
     if {$lines > 0} {
-        html {Lines: } $lines "<br>\n"
+        html {<dt><b>Lines</b><dd>} $lines "<br>\n"
     }
     if {!$nwi} {
-        html "<pre>\n" [join [$zset getWAIS $no text]] "\n</pre>\n"
+        html "</dl><pre>\n" [join [$zset getWAIS $no text]] "\n</pre>\n"
         return
     }
     if {[info exists data(bytes)]} {
-        html {Bytes: } $data(bytes) "<br>\n"
+        html {<dt><b>Bytes</b><dd>} $data(bytes)
     }
     if {[info exists data(dateOfLastModification)]} {
-        html {Last modified: } $data(dateOfLastModification) "<br>\n"
+        html {<dt><b>Last modified</b><dd>} $data(dateOfLastModification)
     }
     if {[info exists data(lastChecked)]} {
-        html {Last checked: } $data(lastChecked) "<br>\n"
+        html {<dt><b>Last checked</b><dd>} $data(lastChecked) "<br>\n"
     }
     if {[info exists data(ip)]} {
-        html {<dl><dt>Initial text<dd>} $data(ip) "</dl><br>\n"
+        html {<dt><b>Initial text</b><dd>} $data(ip) "<br>\n"
+    }
+    if {0} {
+        html {<a href="} $env(SCRIPT_NAME) / $sessionId {/sameas.egw/}
+        html $setNo + $targetNo + 1 + $hist($setNo,maxPresent) +
+        html [egw_enc [$zset getWAIS $no documentID]] {">}
+        html {Similar WAIS record</a><br>}
+    }
+    if {[info exists data($i,linkage)]} {
+        html "<dt><b>References</b>\n"
     }
-
-    html {<a href="} $env(SCRIPT_NAME) / $sessionId {/sameas.egw/}
-    html $setNo + $targetNo + 1 + $hist($setNo,maxPresent) +
-    html [egw_enc [$zset getWAIS $no documentID]] {">}
-    html {Similar WAIS record</a><br>}
-    html "<dl><dt>References\n<dd>\n"
     for {set i 1} {[info exists data($i,linkage)]} {incr i} {
-        html {<a href="} $data($i,linkage) {">}
+        html {<dd><a href="} $data($i,linkage) {">}
         if {[info exists data($i,title)]} {
             html $data($i,title)
         } else {
@@ -694,16 +706,16 @@ proc build-query {t ilines} {
     set q {}
     for {set i 1} {$i <= $ilines} {incr i} {
         set term [join [egw_form entry$i]]
+        if {[string length $term] == 0} continue
         if {![string compare [lindex $targets($t) 1] WAIS]} {
-            if {[string length $op] == 0} {
+            if {[string length $q] == 0} {
                 set q $term
             } else {
                 set q "$term $q"
             }
             set op [egw_form logic$i]
             continue
-        }                
-        if {[string length $term] > 0} {
+        } else {
             set field [join [egw_form menu$i]]
             catch {unset attr}
             foreach x [lindex $targets($t) 2] {
@@ -716,13 +728,13 @@ proc build-query {t ilines} {
                 set attr [lindex [lindex [lindex $targets($t) 2] 0] 1]
             }
             switch $op {
-            And
+                And
                 { set q "@and $q ${attr} \"${term}\"" }
-            Or
+                Or
                 { set q "@or $q ${attr} \"${term}\"" }
-            {And not}
+                {And not}
                 { set q "@not $q ${attr} \"${term}\"" }
-            {}
+                {}
                 { set q "${attr} \"${term}\"" }
             }
             set op [egw_form logic$i]
@@ -833,6 +845,7 @@ proc display-scan {setNo scanNo tno} {
     global targets
     global env
     global sessionId
+    global scriptQuery
 
     set zz z39$tno
     set zs $zz.s$scanNo.$setNo
@@ -862,7 +875,7 @@ proc display-scan {setNo scanNo tno} {
         if {0} {
             regsub -all {\ } [lindex [$zs scanLine $i] 1] + tterm
             html {<a href="http:} $env(SCRIPT_NAME)
-            html / $sessionId {/query.egw/} $hist($setNo,host) + $setNo +
+            html / $sessionId / $scriptQuery {;/} $setNo + $hist($setNo,host) +
             html $hist($setNo,scan) +  $tterm {">}
         } else {
             regsub -all {\ } [lindex [$zs scanLine $i] 1] + tterm
@@ -940,14 +953,8 @@ proc z39search {setNo piggy tno elements} {
             return 0
         }
     } elseif {![catch  [list $zz.$setNo smallSetUpperBound 0]]} {
-        if {$tno > 0} {
-            if {[info exists hist($setNo,$tno,hits)]} {
-                return 1
-            }
-        } else {
-            if {[info exists hist($setNo,hits)]} {
-                return 1
-            }
+        if {[info exists hist($setNo,$tno,hits)]} {
+            return 1
         }
     }
     
@@ -1003,7 +1010,7 @@ proc z39search {setNo piggy tno elements} {
     if {$sessionWait != 1} {
        return 0
     }
-    set hist($setNo,hits) [$zz.$setNo resultCount]
+    set hist($setNo,$tno,hits) [$zz.$setNo resultCount]
     return 1
 }
 
@@ -1307,19 +1314,25 @@ proc buttons-result-set-s {setNo targetNo setMax startPos after} {
 
     set zz z39$targetNo
     html "<p>\n"
-    button-europagate
+    button-main
     if {$setMax > 0 && $setMax < [$zz.$setNo resultCount]} {
+        if {!$useIcons} {
+            html "\n | "
+        }
         html {<a href="http:} $env(SCRIPT_NAME)
         html / $sessionId {/search.egw/} $setNo + $targetNo + 
         html [expr $setMax + 1] + [expr $setMax + $hist($setNo,maxPresent)]
         if {$useIcons} {
-            html {"><img src="/egwgif/button-next-records.gif" alt="Next Records"}
-           html { border=0></a>}
+            html {"><img src="/egwgif/button-next-records.gif" }
+            html {alt="Next Records" border=0></a>}
         } else {
-            html {">Next Records</a>} " | \n"
+            html {">Next Records</a>}
         }
     }
     if {$setMax > 0 && $startPos != "" && $startPos != "1"} {
+        if {!$useIcons} {
+            html "\n | "
+        }
         html {<a href="http:} $env(SCRIPT_NAME)
         html / $sessionId {/search.egw/} $setNo + $targetNo
         html + [expr $startPos - $hist($setNo,maxPresent)]
@@ -1328,12 +1341,15 @@ proc buttons-result-set-s {setNo targetNo setMax startPos after} {
             html {"><img src="/egwgif/button-previous-records.gif" }
            html {alt="Previous Records" border=0></a>}
         } else {
-            html {">Previous Records</a>} " | \n"
+            html {">Previous Records</a>} 
         }
     }
-    button-new-query 1 $setNo
-    button-new-target 1
-    button-view-history 0
+    if {$targetNo > 0} {
+        button-result-set $setNo $targetNo
+    }
+    button-new-query $setNo
+    button-new-target
+    button-view-history
 
     html "<p>\n"
 }
@@ -1353,35 +1369,48 @@ proc display-result-set-m-score {setNo} {
         if {$zstatus($i) != 2} continue
         set status [z39$i.$setNo responseStatus]
         if {[lindex $status 0] != "DBOSD"} continue        
-        if {$hist($setNo,$i,offset) > $hist($setNo,maxPresent)} {
-            set nor $hist($setNo,maxPresent)
-        } else {
-            set nor $hist($setNo,$i,offset)
-        }
+        set nor $hist($setNo,$i,offset)
         for {set j 1} {$j <= $nor} {incr j} {
             if {![string compare [z39$i.$setNo recordType $j] WAIS]} {
                 set score [z39$i.$setNo getWAIS $j score]
-                if {$score > 0} {
-                    lappend scoreArray [list $score $i $j]
+            } elseif {![string compare [z39$i.$setNo recordType $j] USmarc]} {
+                set score [z39$i.$setNo getMarc $j field 999 * r]
+                if {[scan $score %d score] != 1} {
+                    set score 10
                 }
             } else {
-                lappend scoreArray [list 10 $i $j]
+                set score 10
+            }
+            if {$score > 0} {
+                lappend scoreArray [list $score $i $j]
             }
         }
     }
     if {![info exists scoreArray]} {
         html "<br><h3>Search produced no result</h3><br>\n"
-        return
+    } else {
+        html "<ul>\n"
+        set scoreSorted [lsort -command score-sort $scoreArray]
+        foreach r $scoreSorted {
+            set i [lindex $r 1]
+            set j [lindex $r 2]
+            display-$hist($setNo,format) z39$i.$setNo $j $setNo $i
+        }
+        html "<br></ul>\n"
     }
-    set scoreSorted [lsort -command score-sort $scoreArray]
-
-    html "<ul>\n"
-    foreach r $scoreSorted {
-        set i [lindex $r 1]
-        set j [lindex $r 2]
-        display-$hist($setNo,format) z39$i.$setNo $j $setNo $i
+    for {set i 1} {$i <= $not} {incr i} {
+        if {$zstatus($i) != 2} continue
+        set status [z39$i.$setNo responseStatus]
+        if {[lindex $status 0] == "NSD"} {
+            z39$i.$setNo nextResultSetPosition 0
+            set code [lindex $status 1]
+            set msg [lindex $status 2]
+            set addinfo [lindex $status 3]
+            html {<dt>} [lindex $targets($hist($setNo,$i,host)) 0] 
+            html "<dd>Error: $msg: $addinfo (code $code)<br>\n"
+        }
     }
-    html "</ul><br>\n"
+    html "\n<br>"
 }
 
 proc display-result-set-m-server {setNo} {
@@ -1389,20 +1418,26 @@ proc display-result-set-m-server {setNo} {
     global useIcons
     global zstatus
     global targets
+    global env
+    global sessionId
 
     set not $hist($setNo,0,host)
     html "<dl>\n"
     for {set i 1} {$i <= $not} {incr i} {
         if {$zstatus($i) != 2} continue
-        html "<dt><h3>" [lindex $targets($hist($setNo,$i,host)) 0] ": "
         set status [z39$i.$setNo responseStatus]
         if {[lindex $status 0] == "NSD"} {
+            html "<dt><h3>" [lindex $targets($hist($setNo,$i,host)) 0] ": "
             z39$i.$setNo nextResultSetPosition 0
             set code [lindex $status 1]
             set msg [lindex $status 2]
             set addinfo [lindex $status 3]
             html "Error</h3>\n<dd>NSD$code: $msg: $addinfo"
         } else {
+            html {<dt><a href="http:} $env(SCRIPT_NAME)
+            html / $sessionId {/search.egw/} $setNo + $i + 1
+            html + $hist($setNo,maxPresent) {">}
+            html "<h3>" [lindex $targets($hist($setNo,$i,host)) 0] "</a>: "
             set r [z39$i.$setNo resultCount]
             html "$r hits</h3>\n<dd>\n"
             
@@ -1504,8 +1539,8 @@ proc z39history {} {
     global sessionId
     global targets
     global html3
+    global scriptQuery
 
-    set targetNo 0
     if {![info exists nextSetNo]} {
         return
     }
@@ -1521,67 +1556,77 @@ proc z39history {} {
         html {<dl>} "\n"
     }
     for {set setNo 1} {$setNo < $nextSetNo} {incr setNo} {
-        if {$hist($setNo,scan) > 0} continue
-        set host $hist($setNo,0,host)
-        if {$html3} {
-            html {<td align=left>}
-        } else {
-            html {<dt> }
+        if {[info exists hist($setNo,scan)]} {
+            if {$hist($setNo,scan) > 0} continue
         }
-        html [lindex $targets($host) 0]
-        if {$html3} {
-            html {<td align=left>} [join $hist($setNo,0,database)]
+        if {[info exists hist($setNo,1,host)]} {
+            set start 1
+            set end $hist($setNo,0,host)
         } else {
-            if {[llength [lindex $targets($host) 1]] > 1} {
-                html ": "
-                foreach b $hist($setNo,0,database) {
-                    html " $b"
+            set start 0
+            set end 0
+        }
+        for {set i $start} {$i <= $end} {incr i} {
+            if {$html3} {
+                html {<td align=left>}
+            } else {
+                html {<dt> }
+            }
+            set host $hist($setNo,$i,host)
+            html [lindex $targets($host) 0]
+            if {$html3} {
+                html {<td align=left>} [join $hist($setNo,$i,database)]
+            } else {
+                if {[llength [lindex $targets($host) 1]] > 1} {
+                    html ": "
+                    foreach b $hist($setNo,$i,database) {
+                        html " $b"
+                    }
                 }
+                html {. }
             }
-            html {. }
-        }
-        if {$html3} {
-            html {<td align=right>}
-        }
-        if {[info exists hist($setNo,hits)]} {
-            html { <a href="http:} $env(SCRIPT_NAME)
-            html / $sessionId {/search.egw/} $setNo + $targetNo + 1
-            html + $hist($setNo,maxPresent)
-            if {1} {
-                html {">} $hist($setNo,hits) {</a>}
+            if {$html3} {
+                html {<td align=right>}
+            }
+            if {[info exists hist($setNo,$i,hits)]} {
+                html { <a href="http:} $env(SCRIPT_NAME)
+                html / $sessionId {/search.egw/} $setNo + $i + 1
+                html + $hist($setNo,maxPresent)
+                html {">} $hist($setNo,$i,hits) {</a>}
             } else {
-                html {">Result</a>: } $hist($setNo,hits) { hits.}
+                if {$html3} {
+                    html {Failed}
+                } else {
+                    html {Search failed.}
+                }
             }
-        } else {
             if {$html3} {
-                html {Failed}
+                html {<td align=left>}
             } else {
-                html {Search failed.}
+                html "<dd>\n"
             }
-        }
-        if {$html3} {
-            html {<td align=left>}
-        } else {
-            html "<dd>\n"
-        }
-        html { <a href="http:} $env(SCRIPT_NAME)
-        html / $sessionId {/query.egw/} $host + $setNo
-        if {$html3} {
-            html {">}
-        } else {
-            html {">Query</a>: }
-        }
-        set op {}
-        for {set i 1} {$i <= 3} {incr i} {
-            if {[string length $hist($setNo,form,entry$i)] > 0} {
-                html " <b>" [join $op " "] "</b> "
-                html [join $hist($setNo,form,menu$i)] "=" 
-                html $hist($setNo,form,entry$i)
-                set op $hist($setNo,form,logic$i)
+            html { <a href="http:} $env(SCRIPT_NAME)
+            html / $sessionId / $scriptQuery {;/} $setNo + $host
+            if {$html3} {
+                html {">}
+            } else {
+                html {">Query</a>: }
+            }
+            set op {}
+            for {set j 1} {$j <= 3} {incr j} {
+                if {[string length $hist($setNo,form,entry$j)] > 0} {
+                    html " <b>" [join $op " "] "</b> "
+                set pre [join $hist($setNo,form,menu$j)]
+                    if {[string length $pre] > 0} {
+                        html $pre "="
+                    }
+                    html $hist($setNo,form,entry$j)
+                    set op $hist($setNo,form,logic$j)
+                }
+            }
+            if {$html3} {
+                html {</a><tr>} "\n"
             }
-        }
-        if {$html3} {
-            html {</a><tr>} "\n"
         }
     }
     if {$html3} {
@@ -1596,27 +1641,30 @@ proc displayError {msga msgb} {
     html "<p><center>\n"
     html {<img src="/egwgif/noway.gif" alt="Error">}
     html "<h2>" $msga "</h2>\n"
-    if {$msgb != ""} {
+    if {[string length $msgb] > 0} {
         html "<h3>" $msgb "</h3>\n"
     }
     html "</center><p>\n"
 }
 
-proc button-europagate {} {
+proc button-main {} {
     global useIcons
     html {<a href="http://europagate.dtv.dk/">}
     if {$useIcons} {
         html {<img src="/egwgif/button-egw.gif" alt="Europagate" border=0></a>}
     } else {
-        html {Europagate</a> | }
+        html {Europagate</a>}
     }
 }
 
-proc button-define-target {more} {
+proc button-define-target {} {
     global useIcons
     global env
     global sessionId
 
+    if {!$useIcons} {
+        html "\n | "
+    }
     html {<a href="http:} $env(SCRIPT_NAME)
     html / $sessionId {/tform.egw}
     if {$useIcons} {
@@ -1624,46 +1672,39 @@ proc button-define-target {more} {
        html {alt="Define Target" border=0></a>}
     } else {
         html {">Define Target</a>}
-        if {$more} {
-            html " | \n"
-        } else {
-            html "\n"
-        }
     }
 }
 
-proc button-new-target {more} {
+proc button-new-target {} {
     global useIcons
     global env
     global sessionId
-    global mMode
+    global scriptTarget
 
-    html {<a href="http:} $env(SCRIPT_NAME)
-    html / $sessionId 
-    if {$mMode} {
-        html {/mtargets.egw}
-    } else {
-        html {/targets.egw}
+    if {[string length $scriptTarget] == 0} return
+
+    if {!$useIcons} {
+        html "\n | "
     }
+    html {<a href="http:} $env(SCRIPT_NAME)
+    html / $sessionId / $scriptTarget
     if {$useIcons} {
         html {"><img src="/egwgif/button-new-target.gif" }
        html {alt="New Target" border=0></a>}
     } else {
         html {">New Target</a>}
-        if {$more} {
-            html " | \n"
-        } else {
-            html "\n"
-        }
     }
 }
 
-proc button-view-history {more} {
+proc button-view-history {} {
     global useIcons
     global env
     global sessionId
     global nextSetNo
 
+    if {!$useIcons} {
+        html "\n | "
+    }
     html {<a href="http:} $env(SCRIPT_NAME)
     html / $sessionId {/history.egw;}
     catch { html "/" $nextSetNo}
@@ -1672,48 +1713,63 @@ proc button-view-history {more} {
         html {border=0></a>}
     } else {
         html {">View History</a>}
-        if {$more} {
-            html " | \n"
-        } else {
-            html "\n"
-        }
     }
 }
 
-proc button-new-query {more setNo} {
+proc button-new-query {setNo} {
     global useIcons
     global env
     global sessionId
     global hist
-    global mMode
+    global scriptQuery
 
-    html {<a href="http:} $env(SCRIPT_NAME)
-    html / $sessionId 
-    if {$mMode} {
-        html {/mquery.egw/} $setNo
-    } else {
-        html {/query.egw/} $hist($setNo,0,host) + $setNo
+    if {!$useIcons} {
+        html "\n | "
     }
-    html {">}
+    html {<a href="http:} $env(SCRIPT_NAME)
+    html / $sessionId / $scriptQuery {;/} $setNo + $hist($setNo,0,host) {">}
+
     if {$useIcons} {
         html {<img src="/egwgif/button-new-query.gif" }
        html {alt="New Query" border=0></a>}
     } else {
         html {New Query</a>}
-        if {$more} {
-            html " | \n"
-        } else {
-            html "\n"
-        }
     }
 }
 
-proc button-scan-window {more setNo} {
+proc button-result-set {setNo tno} {
+    global useIcons
+    global env
+    global sessionId
+    global hist
+
+    if {!$useIcons} {
+        html "\n | "
+    }
+    html {<a href="http:} $env(SCRIPT_NAME) / $sessionId 
+    if {$tno > 0} {
+        html {/msearch.egw/} $setNo
+    } else {
+        html {/search.egw/} $setNo + $tno
+    }
+    html + 1 + $hist($setNo,maxPresent)
+    if {$useIcons} {
+        html {"><img src="/egwgif/button-result-set.gif" }
+       html {alt="Result Set" border=0></a>}
+    } else {
+        html {">Result Set</a>}
+    }
+}
+
+proc button-scan-window {setNo} {
     global useIcons
     global env
     global sessionId
     global hist
 
+    if {!$useIcons} {
+        html "\n | "
+    }
     set targetNo 0
     html {<a href="http:} $env(SCRIPT_NAME)
     html / $sessionId {/search.egw/} $setNo + $targetNo + {scan} {">}
@@ -1722,11 +1778,6 @@ proc button-scan-window {more setNo} {
        html {alt="Scan" border=0></a>}
     } else {
         html {Scan</a>}
-        if {$more} {
-            html " | \n"
-        } else {
-            html "\n"
-        }
     }
 }
 
@@ -1759,7 +1810,7 @@ proc splitDatabaseSpec {host} {
 }
 
 proc mergeHostSpec {host databases} {
-    return ${host}.[join $databases -]
+    return ${host}/[join $databases -]
 }
 
 proc mkAssoc {assoc host} {
@@ -1780,4 +1831,63 @@ proc mkAssoc {assoc host} {
             ir $assoc
         }
     }
-}
\ No newline at end of file
+}
+
+proc serverList {headlineProc targetProc} {
+    global targets
+    global groupsDescription
+   
+    proc targetsCmp {l r} {
+        global targets
+        return [string compare [string tolower [lindex $targets($l) 0]] \
+                               [string tolower [lindex $targets($r) 0]]]
+    }
+    proc groupCmp {l r} {
+        global groupsOrder
+        if {[catch {set lo $groupsOrder($l)}]} {
+            set lo 10
+        }
+        if {[catch {set ro $groupsOrder($r)}]} {
+            set ro 10
+        }
+        return [expr $lo - $ro]
+    }
+    
+    foreach tt [array names targets] {
+        lappend groupsTmp([lindex $targets($tt) 6]) $tt
+    }
+    set gts [lsort -command groupCmp [array names groupsTmp]]
+    foreach gt $gts {
+        if {[info exists groupsDescription($gt)]} {
+            eval $headlineProc [list $groupsDescription($gt)]
+        } else {
+            eval $headlineProc $gt
+        }
+        set tn [lsort -command targetsCmp $groupsTmp($gt)]
+        foreach t $tn {
+            eval $targetProc $t
+        }
+    }
+
+    rename targetsCmp {}
+}
+
+proc session-lost {} {
+    global useIcons
+
+    html {<head><title>WWW/Z39.50 Gateway: Session Expired</title></head>}
+    html \n {<body>}
+    set useIcons 1
+    button-main
+    html {<h1>Session Expired</h1>}
+    html {Your session has expired. Please reload the gateways' }
+    html {front page.<br><br>} \n
+    set useIcons 0
+    button-main
+    html {</body></html>}
+}
+
+if {[info exists utilExtension]} {
+    source $utilExtension
+}
+