#!/usr/bin/perl
###############################################################################
# JtoP.cgi                                                                    #
#                                                                             #
# This program 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.                                #
#                                                                             #
#                                                                             #
# Last modified: 06/27/10                                                     #
###############################################################################

# Set-up the cgi enviroment
# this little gizmo is something I adopted
# and works like a champ
use CGI;
$query = new CGI;
@names = $query->param;
foreach $parameter (@names) {
	$_ = $query->param($parameter);
	$input{$parameter} = $_;
}

# we won't have this until the Ajax kicks in after page load
# then it happens quietly behind the scenes
if ($_) {
	$screenwidth = $input{'screenwidth'};
	$screenheight = $input{'screenheight'};
	$availwidth = $input{'availwidth'};
	$availheight = $input{'availheight'};
	$screen = "$input{'screenwidth'} x $input{'screenheight'}";
	$availscreen = "$input{'availwidth'} x $input{'availheight'}";
	$colordepth = $input{'colordepth'};
	
	open(FILE, ">>foobat.txt");
	print FILE "$screen\n";
	print FILE "$availscreen\n";
	print FILE "$colordepth\n";
	close FILE;
}

# no HTML here just get to the Ajax and send the data
	print "content-type: text/html\n\n";
	print qq~
<script type="text/javascript">
// OOAjax thanks to Patrick Hunlock
function ajaxObject(url, callbackFunction) {
  var that=this;      
  this.updating = false;
  this.abort = function() {
    if (that.updating) {
      that.updating=false;
      that.AJAX.abort();
      that.AJAX=null;
    }
  }
  this.update = function(passData,postMethod) { 
    if (that.updating) { return false; }
    that.AJAX = null;                          
    if (window.XMLHttpRequest) {              
      that.AJAX=new XMLHttpRequest();              
    } else {                                  
      that.AJAX=new ActiveXObject("Microsoft.XMLHTTP");
    }                                             
    if (that.AJAX==null) {                             
      return false;                               
    } else {
      that.AJAX.onreadystatechange = function() {  
        if (that.AJAX.readyState==4) {             
          that.updating=false;                
          that.callback(that.AJAX.responseText,that.AJAX.status,that.AJAX.responseXML);        
          that.AJAX=null;                                         
        }                                                      
      }                                                        
      that.updating = new Date();                              
      if (/post/i.test(postMethod)) {
        var uri=urlCall+'?'+that.updating.getTime();
        that.AJAX.open("POST", uri, true);
        that.AJAX.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
        that.AJAX.setRequestHeader("Content-Length", passData.length);
        that.AJAX.send(passData);
      } else {
        var uri=urlCall+'?'+passData+'&timestamp='+(that.updating.getTime()); 
        that.AJAX.open("GET", uri, true);                             
        that.AJAX.send(null);                                         
      }              
      return true;                                             
    }                                                                           
  }
  var urlCall = url;        
  this.callback = callbackFunction || function () { };
}

    // get the variables
	//var sw = document.getElementById("screenwidth").value;
	//var sh = document.getElementById("screenheight").value;
	//var aw = document.getElementById("availwidth").value;
	//var ah = document.getElementById("availheight").value;
	//var cd = document.getElementById("colordepth").value;
	var sw = screen.width;
	var sh = screen.height;
	var aw = screen.availWidth;
	var ah = screen.availHeight;
	var cd = screen.colorDepth;
    
	// the Ajax object
	var myRequest = new ajaxObject('JtoP.cgi');
	
	// the query string
    var sendString = 'screenwidth='+sw+'&screenheight='+sh+'&availwidth='+aw+'&availheight='+ah+'&colordepth='+cd;
    
    // and go man go
    myRequest.update(sendString,'POST');

</script>
~;

1;