// elogaz.pl

function showDiv(id)
{
	var block = id;
	//var pic = 'picsubm' + id;
	if (document.getElementById(block).style.display == "none")
	{
		document.getElementById(block).style.display = "block";
		//document.getElementById(pic).src = "./images/ico/ico_minus.gif";
		var savedata = block + "=" + "block"
	}
	else if (document.getElementById(block).style.display == "block")
	{
		document.getElementById(block).style.display = "none";
		//document.getElementById(pic).src = "./images/ico/ico_plus.gif";
		var savedata = block + "=" + "none"
	}
	document.cookie = savedata;
}

function checkDiv(id)
{
	var id_block = id;
	block = getCookie(id_block);
	if (block == "block" || block == null || block == "")
	{
		document.getElementById(id_block).style.display = "block";
	}
	else if (block == "none")
	{
  		document.getElementById(id_block).style.display = "none";
  	}
	return;
}

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 null
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date()
exdate.setTime(exdate.getTime()+(expiredays*24*3600*1000))
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : "; expires="+exdate)
}