var formSent = false;

/* Key events starts */
if(document.all) {
  document.onkeydown = onKeyPress;
} else if (document.layers || document.getElementById) {
  document.onkeypress = onKeyPress;
}

function onKeyPress(evt) {
  //do server side 'key pressed'
  var x = readCookie('gj_kp');
  if(!x) {
   createCookie('gj_kp', true);
  }
}
/* Key events ends */

/* Mouse events starts */
function clickIE() {
  //do server side 'mouse moved'
  var x = readCookie('gj_mm');
  if(!x) {
    createCookie('gj_mm', true);
  }
}

function clickNS(e) {
  //do server side 'mouse moved'
  var x = readCookie('gj_mm');
  if(!x) {
    createCookie('gj_mm', true);
  }
}

if(document.layers) {
  document.captureEvents(Event.MOUSEMOVE);
  document.onmousemove=clickNS;
  document.captureEvents(Event.MOUSEDOWN);
  document.onmousedown=clickNS;
} else {
  document.onmousemove=clickNS;
  document.onmouseup=clickNS;
  document.oncontextmenu=clickIE;
}
/* Mouse events ends */

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  } else {
    var expires = "";
  }
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}


function disableButtons() {
  for(var j=0;j<document.forms.length;++j) {
    for(var i=0;i<document.forms[j].length;++i) {
      if (document.forms[j].elements[i]) {
        if (document.forms[j].elements[i].type == 'submit' || document.forms[j].elements[i].type == 'button') {
          document.forms[j].elements[i].disabled=true;
        }
      }
    }
  }

  if (!formSent) {
    formSent = true;
    return true;
  }
  alert('Formular wird bereits verarbeitet');
  return false;
}


function setButtonEmulator(name,value) {
  button = document.getElementById("button_emulation");
  button.name = name;
  button.value = value;
}

function enableButtons() {
  for(var j=0;j<document.forms.length;++j) {
    for(var i=0;i<document.forms[j].length;++i) {
      if (document.forms[j].elements[i]) {
        if (document.forms[j].elements[i].type == 'submit' || document.forms[j].elements[i].type == 'button') {
          document.forms[j].elements[i].disabled=false;
        }
      }
    }
  }
  return false;
}

function disableStaticButtons() {
  for(var j=0;j<document.forms.length;++j) {
    for(var i=0;i<document.forms[j].length;++i) {
      if (document.forms[j].elements[i]) {
        if (document.forms[j].elements[i].type == 'submit' || document.forms[j].elements[i].type == 'button') {
          document.forms[j].elements[i].disabled=true;
        }
      }
    }
  }
  return true;
}