// JavaScript Document

$(function(){
	$.get("/no_spam.php", function(data){
		$('form').append('<input type="hidden" name="no_spam" value="'+data+'"/>')
	});
});


function number_format (number, decimals, dec_point, thousands_sep)
{
  var exponent = "";
  var numberstr = number.toString ();
  var eindex = numberstr.indexOf ("e");
  if (eindex > -1)
  {
    exponent = numberstr.substring (eindex);
    number = parseFloat (numberstr.substring (0, eindex));
  }
  
  if (decimals != null)
  {
    var temp = Math.pow (10, decimals);
    number = Math.round (number * temp) / temp;
  }
  var sign = number < 0 ? "-" : "";
  var integer = (number > 0 ? 
      Math.floor (number) : Math.abs (Math.ceil (number))).toString ();
  
  var fractional = number.toString ().substring (integer.length + sign.length);
  dec_point = dec_point != null ? dec_point : ".";
  fractional = decimals != null && decimals > 0 || fractional.length > 1 ? 
               (dec_point + fractional.substring (1)) : "";
  if (decimals != null && decimals > 0)
  {
    for (i = fractional.length - 1, z = decimals; i < z; ++i)
      fractional += "0";
  }
  
  thousands_sep = (thousands_sep != dec_point || fractional.length == 0) ? 
                  thousands_sep : null;
  if (thousands_sep != null && thousands_sep != "")
  {
	for (i = integer.length - 3; i > 0; i -= 3)
      integer = integer.substring (0 , i) + thousands_sep + integer.substring (i);
  }
  
  return sign + integer + fractional + exponent;
}

var curr = 1;

function openWin(url, wi, he) {

  var win = window.open(url,'popup_win','width='+wi+',height='+he+',resizable=yes,status=no,toolbar=no,menubar=no, scrollbars=yes');
 
  var b = screen.width;
  var h = screen.height;
 
  b = (b - wi) / 2;
  h = (h - he) / 2;
 
  win.moveTo(b,h);

}

function set_class(obj, naam) {

  obj.className = naam;

}



var hovers = [[ [], [] ],[ [], [] ]] , images = [];

function loadHovers (tag) {

  tag_text = (tag == 0)?'img':'input';

  images[tag] = document.getElementsByTagName ( tag_text );
  
  for ( var i = 0; i < images[tag].length; i ++ ) {

    if ( images[tag].item(i).getAttribute ( 'src' ) && images[tag].item(i).getAttribute ( 'hover' ) ) {
         
      // preload it
    
      ( hovers[tag][0][i] = new Image () ).src=images[tag].item(i).getAttribute('src');
      ( hovers[tag][1][i] = new Image () ).src=images[tag].item(i).getAttribute('hover');
         
      if ( images[tag].item(i).attachEvent ) {
 
        images[tag].item(i).attachEvent ( 'onmouseover', new Function ( "hover(" + i + ", true, '"+tag+"');" ) );
        images[tag].item(i).attachEvent ( 'onmouseout', new Function ( "hover(" + i + ", false, '"+tag+"');" ) );

       } 

       else if ( images.item(i).addEventListener ) {
       
         images[tag].item(i).addEventListener ( 'mouseover', new Function ( "hover(" + i + ", true);" ), true );
         images[tag].item(i).addEventListener ( 'mouseout', new Function ( "hover(" + i + ", false);" ), true );
    
       }
     }
   }

   if (tag != 1) {

     loadHovers(1);

   }

}

function hover ( index, mouseover, tag ) {

   images[tag].item( index ).setAttribute ( 'src', hovers[tag][mouseover?1:0][index].src );

}


function markRow(rowobj, nClass) {
	
  var theCells = null;

  if (rowobj.cells != 'undefined') {

    theCells = rowobj.cells;
	
  }

  else if (rowobj.getElementsByTageName('td')) {

    theCells = rowobj.getElementsByTageName('td');

  }

  cntCells = theCells.length;
  
  if (cntCells > 0) {

    for (i=0;i<cntCells;i++) {
		
      theCells[i].className = nClass;
  
    }

  }

}



function checkForm(form) {

  var aantal = form.elements.length;

  var string = 'U heeft de volgende verplichte veld(en) niet ingevuld: \n';

  string += '_______________________________________________________\n';

  var returnbool = true;

  for (var i=0;i<aantal;i++) {

    if (form.elements[i].type == 'checkbox') {

      if (form.elements[i].title.length > 0 && !form.elements[i].checked) {

	string += form.elements[i].title+'\n';

        returnbool = false;

      }

    }

    else if (form.elements[i].value.length == 0 && form.elements[i].title.length > 0 && !form.elements[i].disabled && form.elements[i].style.display != 'none') {

      string += form.elements[i].title+'\n';

      returnbool = false;

    }

  }

  if (returnbool) {

    return true;

  }

  else {

    string += '______________________________________________________\n';

    string += 'Vul deze velden in om de actie te voltooien';

    alert(string);

    return false;

  }

}