function setcookie (strname, strval)
{
	datum= new Date;
	datum.setTime(datum.getTime()+864000000);
	document.cookie=(strname+"="+escape(strval)+";expires="+datum.toGMTString()+";path=/");
}

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 deletecookie (strname) 
{
	datum= new Date;
	datum.setTime(datum.getTime()-864000000);
	document.cookie = (strname+"=off"+";expires="+datum.toGMTString()+";path=/");
}

function testcookie()	
{
	var cookieEnabled=(navigator.cookieEnabled)? true : false

	//if not IE4+ nor NS6+
	if (typeof navigator.cookieEnabled=="undefined" && !cookieEnabled)
	{ 
		document.cookie="testcookie"
		cookieEnabled=(document.cookie=="testcookie")? true : false
		document.cookie=""
	}
	return cookieEnabled
}