// **************************************************************************
// Copyright 2007 - 2009 Tavs Dokkedahl
// Contact: http://www.jslab.dk/contact.php
//
// This file is part of the JSLab Standard Library (JSL) Program.
//
// JSL is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// any later version.
//
// JSL is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// ***************************************************************************
// File created 2009-02-25 21:27:27

Array.prototype.intersect=function(){if(!arguments.length)return[];var a1=this;var a=a2=null;var n=0;while(n<arguments.length){a=[];a2=arguments[n];var l=a1.length;var l2=a2.length;for(var i=0;i<l;i++){for(var j=0;j<l2;j++){if(a1[i]===a2[j])a.push(a1[i]);}}a1=a;n++;}return a.unique();};Array.prototype.unique=function(){var a=[];var l=this.length;for(var i=0;i<l;i++){for(var j=i+1;j<l;j++){if(this[i]===this[j])j=++i;}a.push(this[i]);}return a;};