var highlightcolor="FFFFD8"

var ns6 = document.getElementById && !document.all
var previous=''
var eventobj

//Regular expression to highlight only form elements
var intended=/INPUT|TEXTAREA|SELECT|OPTION/

//Function to check whether element clicked is form element
function checkel(which)
{
if ( which.style && intended.test(which.tagName) ) {
if (ns6 && eventobj.nodeType == 3)
eventobj = eventobj.parentNode.parentNode
return true
}
else
return false
}

//Function to highlight form element
function highlight(e)
{
eventobj = ns6 ? e.target : event.srcElement

if (previous != '')
{
if (checkel(previous))
previous.style.backgroundColor=''

previous = eventobj

if (checkel(eventobj))
eventobj.style.backgroundColor=highlightcolor
}
else {
if (checkel(eventobj))
	eventobj.style.backgroundColor=highlightcolor
			previous = eventobj
				}
				}