function getcookie(name)
{
	var strCookie = document.cookie;
    var arrCookie = strCookie.split("; ");
    for (var i = 0;i < arrCookie.length;i ++)
    {
		var arr = arrCookie[i].split("=");
        if (arr[0] == name)
			return unescape(arr[1]);
    }
    
    return "";
}

function setcookie(name,value,expirehours)
{
	var cookieString = name + "=" + escape(value);
    if (expirehours > 0)
    {
		var date = new Date();
        date.setTime(date.getTime() + expirehours * 3600 * 1000);
        cookieString = cookieString + "; expires=" + date.toGMTString();
	}
    document.cookie=cookieString;
}