var hideTimeout = null;


function setHideTimeout()
{

  hideTimeout = setTimeout( "hideAll();", 1000 );
}

function stopHideTimeout()
{
  if( hideTimeout != null )
  {
    clearTimeout( hideTimeout );
    hideTimeout = null;
  }
}

function hideAll()
{
  if( hideTimeout != null )
  {
    clearTimeout( hideTimeout );
    hideTimeout = null;
  }

	if( document.all )  //for MSIE >=4.0
	document.all["data"].style.visibility="hidden";

	else if( document.getElementById ) //for Netscape >=6.0
		{
    		document.getElementById("data").style.visibility="hidden";
		}
	else {document.all["data"].style.visibility="hidden";}

 }


function show()
{
//alert(document.all["im1"].offsetWidth );
    hideAll();
	if( document.all )  //for MSIE >=4.0
	{
	document.all["data"].style.visibility="visible";
	}


	else if( document.getElementById ) //for Netscape >=6.0
		{
 			  document.getElementById("data").style.visibility="visible";
		}
	else {document.all["data"].style.visibility="visible";}

}