function showImage(url,w,h,description){

     var _url="/showimage.html?"+url+"?"+w+"?"+h+"?"+escape(description);

     var _tmp="height="+(h+40)+",width="+(w+2)+",left="+((screen.width-w)/2)+",top="+((screen.height-h)/2)+"";

     var win=window.open(_url,"i",_tmp);

     win.resizeTo(w+12+30,h+70+80);

     win.moveTo((screen.width-w)/2 ,(screen.height-h)/2-80);

 

  } 

 

 

  function IncChar(ch)

  {

    if (ch == '1') return '2';

    if (ch == '2') return '3';

    if (ch == '3') return '4';

    if (ch == '4') return '5';

    return '';

  }

  

  function DecChar(ch)

  {

    if (ch == '2') return '1';

    if (ch == '3') return '2';

    if (ch == '4') return '3';

    if (ch == '5') return '4';

    return '';

  }



  function ZoomIn()

  {

    var img = document.getElementById('map');

    var imgIn = document.getElementById('imgIn');

    var imgOut = document.getElementById('imgOut');

    if (img) {

      var imgSrc = img.src;

      p = imgSrc.lastIndexOf('/') + 1;

      ch = imgSrc.charAt(p);

      if (ch != '3') {

        img.src = 'images/map/' + IncChar(ch) + '.gif';

        imgOut.style.visibility = 'visible';

      }

      if (ch == '2') imgIn.style.visibility = 'hidden';

    }

  }

  

  function ZoomOut()

  {

    var img = document.getElementById('map');

    var imgIn = document.getElementById('imgIn');

    var imgOut = document.getElementById('imgOut');

    if (img) {

      var imgSrc = img.src;

      p = imgSrc.lastIndexOf('/') + 1;

      ch = imgSrc.charAt(p);

      if (ch != '1') {

        img.src = 'images/map/' + DecChar(ch) + '.gif';

        imgIn.style.visibility = 'visible';

      }

      if (ch == '2') imgOut.style.visibility = 'hidden';

    }

  }





function SetBgLight(Obj, img){

  Obj.src=img;



}



function SetBgDark(Obj, img){

  Obj.src=img;

}



function SetBgImg(id, img) {

   document.getElementById(id).src=img; 

}



var form = "";

var submitted = false;

var error = false;

var error_message = "";



function check_input(field_value, field_size, message) {

  if (field_value == '' || field_value.length < field_size) {

    error_message = error_message + "* " + message + "\n";

    error = true;

  }

}



function check_form(form_name) {

  if (submitted == true) {

    alert("This form has already been submitted. Please press Ok and wait for this process to be completed.");

    return false;

  }



  error = false;

  form = form_name;

  

  var form_first_name = form.elements["first_name"].value;

  var form_email = form.elements["email"].value;

  var form_text = form.elements["text"].value;

  if (form_first_name == "Name") form_first_name = "";

  if (form_email == "E-mail or Phone") form_email = "";

  if (form_text == "Type your question here") form_text = "";

  

  error_message = "Please provide us more information about yourself. Make the following corrections:\n\n";

  

  check_input(form_first_name, 2, "Your Name must contain a minimum of 2 characters.");

  check_input(form_email, 6, "Your E-Mail Address or Phone must contain a minimum of 6 characters.");

  check_input(form_text, 10, "Your Text must contain a minimum of 10 characters.");

  

  if (error == true) {

    alert(error_message);

    return false;

  } else {

    submitted = true;

    return true;

  }

}