var gn_IE=(document.all)?1:0;
var gn_NS4=(document.layers)?1:0;
var gn_NS6=((document.getElementById)&&(navigator.appName=='Netscape'))?1:0;
var gn_NS=(gn_NS4)?1:0;
var gn_DHTML=(gn_IE||gn_NS4||gn_NS6)?1:0;

function menus_hide()
{
	document.all.menu_company.style.visibility='hidden';
	document.all.menu_products.style.visibility='hidden';
	document.all.menu_services.style.visibility='hidden';
}

function set_picture( id, url )
{
	document.getElementById( id ).src = url;
}

function hide_div( id )
{
	document.getElementById( id ).style.visibility = 'hidden';
}

function show_div( id )
{
	document.getElementById( id ).style.visibility = 'visible';
}

function get_browser()
{
}

function write_index_menu_div_start()
{
	document.write('<div class="first_div"><div class="horiz_menu_div">');
}

function write_div_end()
{
	document.write('</div>');
}