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 (name, value)
 {
    var argv = SetCookie.arguments;
    var argc = SetCookie.arguments.length;
    var expires = (argc > 2) ? argv[2] : null;
    var path = (argc > 3) ? argv[3] : null;
    var domain = (argc > 4) ? argv[4] : null;
    var secure = (argc > 5) ? 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 DeleteCookie (name)
 {
  SetCookie (name, '');
 }

//////////////////////////////////

function isEmail (str)
{
 if (str == '')          return false;

 var at = "@"
 var dot = "."
 var lat = str.indexOf (at)
 var lstr = str.length
 var ldot = str.indexOf (dot)

 if (str.indexOf(at)==-1)
  {
   return false
  }
 if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
  {
   return false
  }
 if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
  {
   return false
  }
 if (str.indexOf(at,(lat+1))!=-1)
  {
   return false
  }
 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
  {
   return false
  }
 if (str.indexOf(dot,(lat+2))==-1)
  {
   return false
  }
 if (str.indexOf(" ")!=-1)
  {
   return false
  }

 return true					
}

/////////////////////////////////////////

function addbookmark()
{
 var bookmarkurl = window.location.href.substr(0, window.location.href.indexOf('/', 8) + 1) + '';
 var bookmarktitle = "";
 var bookmarktext = "Bookmark Us";

 if (document.title)
  {
   bookmarktitle = document.title;
  }

 if (navigator.appName == "Netscape")
  {
   bookmarktext = "Bookmark Us (CTRL+D)";
  }
 else if (navigator.appName == "Opera")
  {
   bookmarktext = "Bookmark Us (CTRL+T)";
  }
 if (window.sidebar)
  {
   window.sidebar.addPanel (bookmarktitle, bookmarkurl, "");
  }
 else if (window.external)
  {
   window.external.AddFavorite (bookmarkurl, bookmarktitle);
  }
}


////////////////////////////

var isIE = document.all ? true:false;
var isNS = document.layers ? true:false;

function onlyDigits (e, decReq)
{
 var key = (isIE) ? window.event.keyCode : e.which;
 var obj = (isIE) ? event.srcElement : e.target;
 var isNum = (key > 47 && key < 58) ? true:false;
 var dotOK = (key==46 && decReq=='decOK' && (obj.value.indexOf(".")<0 || obj.value.length==0)) ? true:false;
 if(key < 32)  return true;
 return (isNum || dotOK);
}