function checkSearch()
{
	if (document.searchform.terms.value == '')
	{
		document.searchform.terms.value = 'Enter Keyword';
	}
}

var highlightcolor="F4F4F4"

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
	}
}

var speed=70   // speed of scroller
var step=1     // smoothness of movement
var y, scroll, hb, hs, h, news_height

function testForObject(Id, Tag)
{
  var o = document.getElementById(Id);
  if (o)
  {
    if (Tag)
    {
      if (o.tagName.toLowerCase() == Tag.toLowerCase())
      {
        return o;
      }
    }
    else
    {
      return o;
    }
  }
  return null;
}


function initScroller(){
  var boardtest = testForObject("board","");
  if (document.getElementById && document.createElement && document.body.appendChild) {    
  if (boardtest)
    {
	news_height = document.getElementById('news').offsetHeight;

    	hb=document.getElementById('board').offsetHeight;
	hc=document.getElementById('control').offsetHeight;
	hs=hb-6-hc;
	document.getElementById('scrollcontent').style.height=hs+'px';
	tp=hs-(hs/3);
	document.getElementById('news').style.top=tp+'px';
	y=tp;
	scroll=setTimeout('startScroller()',speed);
    }
  }
}

function startScroller(){
 // h=document.getElementById('news').offsetHeight
  y-=step
  if (y<-news_height) {y=hs;}
  document.getElementById('news').style.top=y+'px'
  scroll=setTimeout('startScroller()',speed)
}

function pauseScroller(){speed=300}
function restartScroller(){speed=70}

function showAll(){
  if (document.getElementById) {
    stopScroller()
    document.getElementById('news').style.position='relative'
    document.getElementById('board').style.height='auto'
    document.getElementById('scrollcontent').style.height='auto'
    document.getElementById('news').style.top='0px'
  }
}

function hideAll(){
  if (document.getElementById) {
    document.getElementById('news').style.position='absolute'
    document.getElementById('board').style.height=hb+'px'
    initScroller()
  }
}

function scrollUp(){
  if (document.getElementById) {
    y-=step*20
    if (y<-h) {y=hs}
    document.getElementById('news').style.top=y+'px'
  }
}

function scrollDown(){
  if (document.getElementById) {
    y+=step*50
    if (y>h) {y=h}
    document.getElementById('news').style.top=y+'px'
  }
}