Example 1: 
  We usually form in the production of form, the realization of the general focus in the form box to use a mouse click, the following examples are used HTML4.0 achieve, and the same menu as windows, the first character is underlined, "ALT the first character "can be continued in the form cursor positioning of the box. 
  Code like this: 
<FORM>
  <LABEL FOR="Namebox" ACCESSKEY="N"> <U> N </ U> ame: </ LABEL> 
  <INPUT TYPE="TEXT" ID="Namebox" SIZE=30> 

  <LABEL FOR="Emailbox" ACCESSKEY="E"> <U> E </ U> mail: </ LABEL> 
  <INPUT TYPE="TEXT" ID="Emailbox" SIZE=30> 

  <LABEL FOR="Phonebox" ACCESSKEY="P"> <U> P </ U> hone: </ LABEL> 
  <INPUT TYPE="TEXT" ID="Phonebox" SIZE=30> 

  <LABEL FOR="areabox" ACCESSKEY="S"> <U> S </ U> uggest </ LABEL> 
  <TEXTAREA ID="areabox" COLS="10" ROWS="2"> </ TEXTAREA> 

  </ FORM> 
  Tags have underlined; 
  For = "Name" and id = "Name" in the Name is the same. 
  ACCESSKEY =... set up "hot keys." 
  Example 2: 
  Take the following example of the choice of frame, it is the nuances, the choice of projects did not have to click the mouse in the box, the text can be selected.    Do not try to bar letter. 
<form>
  <label For="check1"> the Changlaiyanli </ label> 
  <input Type="CHECKBOX" id="check1" value="often" name="checkoften"> 
  <label For="check2"> occasionally to look at </ label> 
  <input Type="CHECKBOX" id="check2" value="seldom" name="checkseldom"> 
  </ Form>