var base = new Date(0)
dateAdjustment = base.getTime()

function getExpParam() {        
 var expDate = new Date()        
 var dateInSecs = expDate.getTime()        
 var oneWkFromNow = (7 * 24 * 60 * 60 * 1000) + dateInSecs - (2 * dateAdjustment)        
 expDate.setTime(oneWkFromNow)                                
 return ("; expires=" + expDate.toGMTString())        
}


function pobierz_porownanie(label) 
{
      var labelLen = label.length
      var cLen = document.cookie.length
      var i = 0
      while (i < cLen) {
         var j = i + labelLen
         if (document.cookie.substring(i,j) == label) {
            var cEnd = document.cookie.indexOf(";",j)

            if (cEnd == -1) {
                cEnd = document.cookie.length

            }
            return unescape(document.cookie.substring(j+1,cEnd))
         }
         i++
      }
      return ""
}

function zapisz_porownanie(chk,sKey)
{
s = pobierz_porownanie(sKey)
if (chk.checked)
{
	if (s!="") 
	{
		s = s + "|" + chk.value;
	}
    else
	{
		s = "0|" + chk.value;
	}
}
else
{
	a = s.split("|")
	s="0"
    for (i=0; i<a.length; i++)
		if(a[i]!=chk.value && a[i]!=0)
		{
			if (s!="") 
			{
				s = s + "|" + a[i];
			}
			else
			{
				s = "0|" + a[i];
			}
		}
}
        var expParam = getExpParam();      
	document.cookie=sKey + "=" + escape(s) + expParam;
	return 0;

}

function porownanie(strToUrl,name,width,height)
{
 window.open(strToUrl, name,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width= ' + (width) + ',height=' + (height));
}

function selecturl(s) {
        var gourl = s.options[s.selectedIndex].value;   window.top.location.href = gourl;
}