var last_one=null
function chng_div(new_one)
{
if(doc!=0)
{
if (last_one!=null)
{
last_layer=eval('document.all.'+last_one+'.style')
last_layer.visibility='hidden'
}
new_layer=eval('document.all.'+new_one+'.style')
new_layer.visibility='visible'

last_one=new_one
}
}

	last_div=null

var doc=0
var sty=0
 function f_sniffer() 
{

	nameOf=navigator.appName

	if(nameOf=='Netscape')
	{
	doc='document.'
	sty=''
	}
	if(nameOf=='Microsoft Internet Explorer')
	{
	doc='document.all.'
	sty='.style'
	}
//change_place()
}