window.onload = function() {
  if (navigator.product=="Gecko" && navigator.userAgent.indexOf("rv:1.7")>=-1) { // blad w Gecko 1.7
    var s=document.body.style;
    s.display="none";
    s.display="";
  }
  
}

function showSubmenu(nazwa)
{
    if(document.getElementById(nazwa))
    {
	if(document.getElementById(nazwa).style.display == 'block')
	document.getElementById(nazwa).style.display="none";
	else
	document.getElementById(nazwa).style.display="block";
    }
}

function setCookie(c_name,value,expiredays)
{
    var exdate = new Date();
    exdate.setDate(exdate.getDate() + expiredays);
    document.cookie = c_name + "=" + escape(value) + ((expiredays==null) ? "" : ";expires=" + exdate.toGMTString());
}

function getCookie(c_name)
{
    if (document.cookie.length>0)
    {
	c_start=document.cookie.indexOf(c_name + "=");
        if (c_start!=-1)
        { 
	    c_start=c_start + c_name.length+1; 
	    c_end=document.cookie.indexOf(";",c_start);
	    if (c_end==-1) c_end=document.cookie.length;
	    return unescape(document.cookie.substring(c_start,c_end));
	 } 
    }
    return "";
}

function showOffer()
{
    setCookie('__woon','1',3600);
    document.getElementById('td5m').style.height='227px';
    document.getElementById('offer_welcom').style.display='none';
    document.getElementById('offer_presen').style.display='inline';
    document.getElementById('offer_search').style.display='inline';
}

function hideOffer()
{
    setCookie('__woon','0',3600);
    document.getElementById('td5m').style.height='36px';
    document.getElementById('offer_welcom').style.display='inline';
    document.getElementById('offer_presen').style.display='none';
    document.getElementById('offer_search').style.display='none';
}