function createCookie(name,value,days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+escape(value)+";"+expires+"; path=/";
}

function readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name)
{
	createCookie(name,"",-1);
}

function updateCookies()
{
	var srchstr = document.searchform.searchstr.value;
	var srchyearfrom = document.searchform.fromyear.value;
	var srchyearto = document.searchform.toyear.value;
	var srchfield = document.searchform.searchfld.value;
	var srchtype = document.searchform.searchtype.value;
	var srchorg = document.searchform.org.value;
	
	createCookie('srchcookiea',srchstr);
	createCookie('srchyearfrom',srchyearfrom);
	createCookie('srchyearto',srchyearto);
	createCookie('srchfield',srchfield);
	createCookie('srchtype',srchtype);
	createCookie('srchorg',srchorg);
	
	return true;
}