html/include/focus.js

   1 var browserType;
   2
   3 if (document.layers) {browserType = "nn4"}
   4 if (document.all) {browserType = "ie"}
   5 if (window.navigator.userAgent.toLowerCase().match("gecko")) {browserType= "gecko"}
   6
   7 netscape = "";
   8 ver= navigator.appVersion; len = ver.length;
   9
  10 for (iln = 0; iln < len; iln++){
  11   if (ver.charAt(iln) == "("){
  12     break;
  13   }
  14 }
  15 netscape= (ver.charAt(iln+1).toUpperCase() != "C");
  16
  17 function keyPress(DnEvents) {
  18   // determines whether Netscape or Internet Explorer
  19   k = (netscape) ? DnEvents.keyCode : window.event.keyCode;
  20   if (k == 13) { // enter key pressed
  21                 if(typeof(nextfield)!='undefined') {
  22                         if(nextfield == 'login') {
  23           return true; // submit, we finished all fields
  24         } else { // we're not done yet, send focus to next box
  25         eval('document.mainform.' + nextfield + '.focus()');
  26         return false;
  27         }
  28         } else {
  29                         if(netscape) {
  30                                 if(DnEvents.target.type == 'textarea') {
  31                                         return true;
  32                                 } else if (DnEvents.target.type != 'submit') {
  33                                         // TAB
  34                                         var thisfield = document.getElementById(DnEvents.target.id);
  35                                         for (i = 0; i < document.forms[0].elements.length; i++) {
  36                                                 if(document.forms[0].elements[i].id==thisfield.id) {
  37                                                         // Last form element on page?
  38                                                         if(i!=document.forms[0].elements.length-1) {
  39                                                                 document.forms[0].elements[i+1].focus();
  40                                                         }
  41                                                 }
  42                                         }
  43                                         return false;
  44                                 } else {
  45                                         return true;
  46                                 }
  47                         } else {
  48                                 if(window.event.srcElement.type == 'textarea') {
  49                                         return true;
  50                                 } else if (window.event.srcElement.type != 'submit') {
  51                                         // TAB
  52                                         var thisfield = document.getElementById(window.event.srcElement.id);
  53                                         for (i = 0; i < document.forms[0].elements.length; i++) {
  54                                                 if(document.forms[0].elements[i].id==thisfield.id) {
  55                                                         // Last form element on page?
  56                                                         if(i!=document.forms[0].elements.length-1) {
  57                                                                 document.forms[0].elements[i+1].focus();
  58                                                         }
  59                                                 }
  60                                         }
  61                                         return false;
  62                                 } else {
  63                                         return true;
  64                                 }
  65                         }
  66                 }
  67         } else if (k==9) {
  68                 // Tab key pressed
  69                 if(netscape) {
  70                         if(DnEvents.target.type == 'textarea') {
  71                                 document.getElementById(DnEvents.target.id).value+="\t";
  72                                 return false;
  73                         }
  74                 } else {
  75                         if(window.event.srcElement.type == 'textarea') {
  76                                 document.getElementById(window.event.srcElement.id).value+="\t";
  77                                 return false;
  78                         }
  79                 }
  80         }
  81 }
  82
  83 function changeState(myField) {
  84   document.getElementById(myField).disabled=(document.getElementById(myField).disabled)?false:true;
  85 }
  86
  87 function changeSelectState(triggerField, myField) {
  88   if (document.getElementById(triggerField).value != 2){
  89           document.getElementById(myField).disabled= true;
  90   } else {
  91           document.getElementById(myField).disabled= false;
  92   }
  93 }
  94
  95 function changeSubselectState(triggerField, myField) {
  96   if (document.getElementById(triggerField).checked == true){
  97           document.getElementById(myField).disabled= false;
  98   } else {
  99           document.getElementById(myField).disabled= true;
 100   }
 101 }
 102
 103 function changeTripleSelectState(firstTriggerField, secondTriggerField, myField) {
 104   if (
 105         document.getElementById(firstTriggerField).checked == true &&
 106         document.getElementById(secondTriggerField).checked == true){
 107           document.getElementById(myField).disabled= false;
 108   } else {
 109           document.getElementById(myField).disabled= true;
 110   }
 111 }
 112
 113 <!-- Second field must be non-checked -->
 114 function changeTripleSelectState_2nd_neg(firstTriggerField, secondTriggerField, myField) {
 115   if (
 116         document.getElementById(firstTriggerField).checked == true &&
 117         document.getElementById(secondTriggerField).checked == false){
 118           document.getElementById(myField).disabled= false;
 119   } else {
 120           document.getElementById(myField).disabled= true;
 121   }
 122 }
 123 // work together to analyze keystrokes
 124 if (netscape){
 125   document.captureEvents(Event.KEYPRESS);
 126         document.onkeypress= keyPress;
 127 } else {
 128         document.onkeydown= keyPress;
 129 }
 130
 131 function hide(element) {
 132   if (browserType == "gecko" )
 133      document.poppedLayer = document.getElementById(element);
 134   else if (browserType == "ie")
 135      document.poppedLayer = document.all[element];
 136   else
 137      document.poppedLayer = document.layers[element];
 138   document.poppedLayer.style.visibility = "hidden";
 139 }
 140
 141 function show(element) {
 142   if (browserType == "gecko" )
 143      document.poppedLayer = document.getElementById(element);
 144   else if (browserType == "ie")
 145      document.poppedLayer = document.all[element];
 146   else
 147      document.poppedLayer = document.layers[element];
 148   document.poppedLayer.style.visibility = "visible";
 149 }
 150
 151 function toggle(element) {
 152   if (browserType == "gecko" )
 153      document.poppedLayer = document.getElementById(element);
 154   else if (browserType == "ie")
 155      document.poppedLayer = document.all[element];
 156   else
 157      document.poppedLayer = document.layers[element];
 158
 159   if (document.poppedLayer.style.visibility == "visible")
 160           hide (element);
 161   else
 162           show (element);
 163
 164 }
 165
 166 function popup(target, name) {
 167         var mypopup=
 168                 window.open(
 169                         target,
 170                         name,
 171                         "width=600,height=700,location=no,toolbar=no,directories=no,menubar=no,status=no,scrollbars=yes"
 172                 );
 173         mypopup.focus();
 174         return false;
 175 }
 176
 177 function js_check(form) {
 178         form.javascript.value = 'true';
 179 }