New useful function submitFormById(). Fires off the form's onsubmit() handler first,

if applicable, and only submits if the handler doesn't exist or returns true.

lib/javascript-static.js

@@ -56,3 +56,16 @@ function unlockoption(form,item) {
   eval("document."+form+"."+item+".disabled=false");/* IE thing */
   eval("document."+form+".h"+item+".value=0");
 }
+
+function submitFormById(id) {
+    var theform = document.getElementById(id);
+    if(!theform) {
+        return false;
+    }
+    if(theform.tagName != 'FORM') {
+        return false;
+    }
+    if(!theform.onsubmit || theform.onsubmit()) {
+        return theform.submit();
+    }
+}