/* 

*  Copyright 2006-2007 Dynamic Site Solutions.

*  Free use of this script is permitted for non-commercial applications,

*  subject to the requirement that this comment block be kept and not be

*  altered.  The data and executable parts of the script may be changed

*  as needed.  Dynamic Site Solutions makes no warranty regarding fitness

*  of use or correct function of the script.  Terms for use of this script

*  in commercial applications may be negotiated; for this, or for other

*  questions, contact "license-info@dynamicsitesolutions.com".

*

*  Script by: Dynamic Site Solutions -- http://www.dynamicsitesolutions.com/

*  Last Updated: 2007-06-17

*/



//IE5+/Win, Firefox, Netscape 6+, Opera 7+, Safari, Konqueror 3, IE5/Mac, iCab 3



var addBookmarkObj = {

  linkText:" ", //Bookmark text goes here

  addTextLink:function(parId){

    var a=addBookmarkObj.makeLink(parId);

    if(!a) return;

    a.appendChild(document.createTextNode(addBookmarkObj.linkText));

  },

  addImageLink:function(parId,imgPath){

    if(!imgPath || isEmpty(imgPath)) return;

    var a=addBookmarkObj.makeLink(parId);

    if(!a) return;

    var img = document.createElement('img');

    img.title = img.alt = addBookmarkObj.linkText;

    img.src = imgPath;

    a.appendChild(img);

  },

  makeLink:function(parId) {

    if(!document.getElementById || !document.createTextNode) return null;

    parId=((typeof(parId)=='string')&&!isEmpty(parId))

      ?parId:'addBookmarkContainer';

    var cont=document.getElementById(parId);

    if(!cont) return null;

    var a=document.createElement('a');

    a.href=location.href;

    a.id='bmark';

    if(window.opera) {

      a.rel='sidebar'; // this makes it work in Opera 7+

    } else {

      // this doesn't work in Opera 7+ if the link has an onclick handler,

      // so we only add it if the browser isn't Opera.

      a.onclick=function() {

        addBookmarkObj.exec(this.href,document.title);

        return false;

      }

    }

    a.title='Bookmark this page';

    return cont.appendChild(a);

  },

  exec:function(url, title) {

    // user agent sniffing is bad in general, but this is one of the times 

    // when it's really necessary

    var ua=navigator.userAgent.toLowerCase();

    var isKonq=(ua.indexOf('konqueror')!=-1);

    var isSafari=(ua.indexOf('webkit')!=-1);

    var isMac=(ua.indexOf('mac')!=-1);

    var buttonStr=isMac?'Command/Cmd':'CTRL';



    if(window.external && (!document.createTextNode ||

      (typeof(window.external.AddFavorite)=='unknown'))) {

        // IE4/Win generates an error when you

        // execute "typeof(window.external.AddFavorite)"

        // In IE7 the page must be from a web server, not directly from a local 

        // file system, otherwise, you will get a permission denied error.

        window.external.AddFavorite(url, title); // IE/Win

    } else if(isKonq) {

      alert('You need to press CTRL + B to bookmark our site.');

    } else if(window.opera) {

      void(0); // do nothing here (Opera 7+)

    } else if(window.home || isSafari) { // Firefox, Netscape, Safari, iCab

      alert('You need to press '+buttonStr+' + D to bookmark our site.');

    } else if(!window.print || isMac) { // IE5/Mac and Safari 1.0

      alert('You need to press Command/Cmd + D to bookmark our site.');    

    } else {

      alert('In order to bookmark this site you need to do so manually '+

        'through your browser.');

    }

  }

}



function isEmpty(s){return ((s=='')||/^\s*$/.test(s));}



function dss_addEvent(el,etype,fn) {

  if(el.addEventListener && (!window.opera || opera.version) &&

  (etype!='load')) {

    el.addEventListener(etype,fn,false);

  } else if(el.attachEvent) {

    el.attachEvent('on'+etype,fn);

  } else {

    if(typeof(fn) != "function") return;

    if(typeof(window.earlyNS4)=='undefined') {

      // to prevent this function from crashing Netscape versions before 4.02

      window.earlyNS4=((navigator.appName.toLowerCase()=='netscape')&&

      (parseFloat(navigator.appVersion)<4.02)&&document.layers);

    }

    if((typeof(el['on'+etype])=="function")&&!window.earlyNS4) {

      var tempFunc = el['on'+etype];

      el['on'+etype]=function(e){

        var a=tempFunc(e),b=fn(e);

        a=(typeof(a)=='undefined')?true:a;

        b=(typeof(b)=='undefined')?true:b;

        return (a&&b);

      }

    } else {

      el['on'+etype]=fn;

    }

  }

}



dss_addEvent(window,'load',addBookmarkObj.addTextLink);



// to make multiple links, do something like this:

/*

dss_addEvent(window,'load',function(){

  var f=addBookmarkObj.addTextLink;

  f();

  f('otherContainerID');

});

*/



// below is an example of how to make an image link with this

// the first parameter is the ID. If you pass an empty string it defaults to

// 'addBookmarkContainer'.

/*

dss_addEvent(window,'load',function(){

  addBookmarkObj.addImageLink('','/images/add-bookmark.jpg');

});

*/