removing space from Identifier input box

color2_module/templates/color2_index.html

@@ -39,7 +39,7 @@ Identity: <select name="CA" id="CA" onchange="javascript:caCheck();">
     <option value="SMILES" >SMILES</option>
     <option value="common" >Common name</option>
   </select>
-  Identifier: <input name="chemName" id="chemName" type="text" value="" required>
+  Identifier: <input name="chemName" id="chemName" type="text" value="">
   </span> <br>
 
 Amount (mg): <input name="amount" id="amount" value="1.0" step="any" min="0.000001" type="number" required> <br>
@@ -58,8 +58,10 @@ function caCheck() {
     if (iCA >= 11) {
       document.getElementById('otherID').style.display = "inline";
       document.getElementById('chemName').value = "";
+      document.getElementById('chemName').required = true;
     } else {
       document.getElementById('otherID').style.display = "none";
+      document.getElementById('chemName').required = false;
     }
 }