function fixcookiedate(date)
{
	var base = new Date(0);
	var skew = base.getTime();
	if(skew>0)
	{
		date.setTime(date.getTime() - skew);
	}
}

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 setcookie(value)
{
	var cstr="";
	var now=null;
	var expires=new Date();
	now = new Date();
	fixcookiedate(expires);
	var onehour = expires.getTime()+(2*24*60*60*1000);
	expires.setTime(onehour);
	cstr += "loginv="+value+";expires="+expires.toGMTString();
	document.cookie=cstr;
}

function deletecookie()
{
	var date=new Date(0);
	document.cookie="loginv=0;expires="+date.toGMTString();
}
function changeurl(name)
{
	var value=null;
	value=getcookie(name)
	if(value==null)
	{
		location = '/'
	}
	else if(value=="0")
	{
		location = '/'
	}
}