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

    function GetCookie2 (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 CookieRead (j); 
            i = document.cookie.indexOf(" ", i) + 1; 
            if (i == 0) 
                break; 
        } 
        return null; 
    } 

   function SetCookie (name, value) 
    { 
        var argv = SetCookie.arguments; 
        var argc = SetCookie.arguments.length; 
        var expires = (2 < argc) ? argv[2] : null; 
        var path = (3 < argc) ? argv[3] : null; 
        var domain = (4 < argc) ? argv[4] : null; 
        var secure = (5 < argc) ? argv[5] : false; 
        document.cookie = name + "=" + escape (value) +  ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +  ((path == null) ? "" : ("; path=" + path)) +  ((domain == null) ? "" : ("; domain=" + domain)) +	((secure == true) ? "; secure" : ""); 
    }
   
    function GetHeight () 
    { 
      var screenHeight = window.innerHeight;
	  var lineheight = (screenHeight - 40);
	  return (lineheight);
   }