set and get checked value func. management added

diff --git a/web/commons.js b/web/commons.js
index e3e904c..704c481 100644 (file)
--- a/web/commons.js
+++ b/web/commons.js
@@ -261,6 +261,10 @@ function send_mesg(mesg)
     }
 }
 
+/*
+  request to server
+  server_request([arg0=arg1[, arg2=arg3[, ...]]])
+ */
 function server_request()
 {
     var xhr_wr = createXMLHttpRequest();
@@ -558,6 +562,11 @@ slowimg.prototype = {
     }
 }
 
+function div_show(div)
+{
+    div.style.top = parseInt((document.body.clientHeight - parseInt(getStyle(div,"height", "height"))) / 2) + document.body.scrollTop;
+    div.style.visibility = "visible";
+}
 
 function notify_ex(st, text, tout, butt, w, h, is_opa, block_time)
 {
@@ -640,7 +649,7 @@ notify_ex.prototype = {
     clo: null,
     clodiv: null, 
     butt: null,
-    tblkid: null, 
+    tblkid: null,
 
     unblock: function()
     {
@@ -1022,3 +1031,42 @@ function formsub_hilite(obj)
     addEvent(obj, "blur",  function () { this.className = 'input_sub'; });
 }
 
+// return the value of the radio button that is checked
+// return an empty string if none are checked, or
+// there are no radio buttons
+function get_checked_value(radioObj) {
+       if(!radioObj)
+               return "";
+       var radioLength = radioObj.length;
+       if(radioLength == undefined)
+               if(radioObj.checked)
+                       return radioObj.value;
+               else
+                       return "";
+       for(var i = 0; i < radioLength; i++) {
+               if(radioObj[i].checked) {
+                       return radioObj[i].value;
+               }
+       }
+       return "";
+}
+
+// set the radio button with the given value as being checked
+// do nothing if there are no radio buttons
+// if the given value does not exist, all the radio buttons
+// are reset to unchecked
+function set_checked_value(radioObj, newValue) {
+       if(!radioObj)
+               return;
+       var radioLength = radioObj.length;
+       if(radioLength == undefined) {
+               radioObj.checked = (radioObj.value == newValue.toString());
+               return;
+       }
+       for(var i = 0; i < radioLength; i++) {
+               radioObj[i].checked = false;
+               if(radioObj[i].value == newValue.toString()) {
+                       radioObj[i].checked = true;
+               }
+       }
+}