/*==================================================================================================
 * FUNCTION:     showFocus()
 * OVERVIEW:     change look of focused input field
 * INTERFACE:
 *   parameters: input field object
 *   returns:    nothing
 * ADDITIONAL INFO:
 *   function uses empty.gif picture
 *================================================================================================*/
function showFocus(obj)
{
  if(!document.getElementById)
    return;
  obj.style.border = "solid 1px #000000";
  obj.style.backgroundImage = "url(./img/empty.gif)";
}

/*==================================================================================================
 * FUNCTION:     showBlur()
 * OVERVIEW:     change look of blured input field
 * INTERFACE:
 *   parameters: input field object
 *   returns:    nothing
 * ADDITIONAL INFO:
 *   function uses fade.png picture
 *   use the following code in the css file:
 *   input {  font-size: 8pt;  border: 1px solid #c3c3c3;  background-image: url(../img/fade.png);  }
 *================================================================================================*/
function showBlur(obj)
{
  if(!document.getElementById)
    return;
  obj.style.border = "solid 1px #c3c3c3";
  obj.style.backgroundImage = "url(./img/fade.png)";
}