/**
 * @author deraaf.com
 */
$(document).ready(function(){

  $('#screens').innerfade({ 
    speed: 'slow', 
    timeout: 4000, 
    type: 'sequence', 
    containerheight: '150px' 
  }); 

}); 
    


var validatemsg = '';
var valid = true;

function submitForm() {
  
  validatemsg = '';
  
  if(document.forms[1].naam.value == '') {
    validatemsg += '- naam'+"\n";
    valid = false;
  } else {
    valid = true;
  }
  if(document.forms[1].adres.value == '') {
    validatemsg += '- adres'+"\n";
    valid = false;
  } else {
    valid = true;
  }
  if(document.forms[1].postcode.value == '') {
    validatemsg += '- postcode'+"\n";
    valid = false;
  } else {
    valid = true;
  }
  if(document.forms[1].woonplaats.value == '') {
    validatemsg += '- woonplaats'+"\n";
    valid = false;
  } else {
    valid = true;
  }
  if(document.forms[1].telefoonnummer.value == '') {
    validatemsg += '- telefoonnummer'+"\n";
    valid = false;
  } else {
    valid = true;
  }
  
  if (valid) {
    document.forms[1].submit();
  } else {
    alert("De velden \n"+validatemsg+"zijn verplicht");
  }
}

function setImage() {
  var rnd1 = (Math.floor(Math.random()*3))+1
  var rnd2 = Math.floor(Math.random()*5)
  document.getElementById('col_'+rnd1).style.background = 'url(assets/gfx/img_'+rnd2+'.jpg)'
}
function setHeight(){
  // TODO: check menu height
  
  
  // include functions to initialize
  bHeight = (document.documentElement.offsetHeight);
  cHeight = (document.getElementById('content').offsetHeight);
  mHeight = (document.getElementById('menu').offsetHeight);
  maxHeight = 153+((cHeight>mHeight)?cHeight:mHeight); // 153 = header hight
  

  
  if (bHeight > maxHeight) {

    document.getElementById('footer').style.top = (bHeight - 100) + 'px';
  }
  else {
    document.getElementById('footer').style.top = (maxHeight + 40) + 'px';

  }
  document.getElementById('footer').style.display = 'block';
}

function gotopage(s) {
  location.href = s;
}

function checkkey(e,f) {
  if ((e == 13) || (f==13)) {
    processForm();
    return false;
  } else {
    return true;
  }
}

function init() {
  //setHeight();
  setImage();
}

window.onload = init;