function getCookieVal (offset)
{
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1) endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name)
{
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen)
	{
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg)	return getCookieVal (j);
		i = document.cookie.indexOf(" ", i) + 1;
  	if (i == 0) break;
	}
	return null;
}

function writecookie(elmnt,name,value)
{
	document.cookie=name + "=" + escape(value);
	if (elmnt=="menu")
	{
		deletecookie('table');
		deletecookie('m_id');
//	document.cookie="offset=0";
//	document.cookie="order=0";
//	document.cookie="filter=0"
	}

}


function deletecookie(name)
{
	if (GetCookie(name)) document.cookie = name + "=0;"+"expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

function GoBack()
{
	deletecookie('m_id');
	deletecookie('table');
	window.location='main.php';
}

function GoToPage(list_id)
{
	var list=document.getElementById(list_id);
	var offset=list.options[list.selectedIndex].value;
	writecookie('','offset',offset);
	window.location='main.php';	
}

function showmenu(elmnt)
{
	document.getElementById(elmnt).style.visibility="visible";
}

function hidemenu(elmnt)
{
	document.getElementById(elmnt).style.visibility="hidden";
}	

function writedate()
{
	var monthNames = new Array( "sausio","vasario","kovo","balandžio","gegužės","birželio","liepos","rugpjūčio","rugsėjo","spalio","lapkričio","gruodžio");
	var dayarray = new Array("sekmadienis","pirmadienis","antradienis","trečiadienis","ketvirtadienis","penktadienis","šeštadienis")
	var now = new Date();
	thisYear = now.getYear();
	var day = now.getDay();
	if(thisYear < 1900)
	{
		thisYear += 1900
	}
	document.write(thisYear + " m. " + monthNames[now.getMonth()] + " " + now.getDate() + ", " + dayarray[day]);
}