function writeIE() {
}

function init() {
  onScroll(updateTopButton);
  if (is.ie4comp!=-1) setImgWidth();
}

function setImgWidth() {
  var contents = getElt('contents');
  if (wide==true) return;
  if(contents) {
    if (!document.getElementsByTagName) {
      return; 
    }
    var images = contents.getElementsByTagName('img');
    for(var i=0; i<images.length; i++) {
      if(parseInt(images[i].width) >= 540) {
        images[i].width=540;
      }
    }
  }
}

function setCookie(c_name, value, expiredays) {
  var exdate = new Date();
  exdate.setDate(exdate.getDate() + expiredays);
  document.cookie = c_name + "=" +escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString() + ";path=/");
}

function getCookie(c_name) {
  if (document.cookie.length > 0) {
    c_start = document.cookie.indexOf(c_name + "=");
    if (c_start != -1) { 
      c_start = c_start + c_name.length+1; 
      c_end = document.cookie.indexOf(";",c_start);
      if (c_end == -1) {
        c_end = document.cookie.length;
      }
      return unescape(document.cookie.substring(c_start,c_end));
    } 
  }
  return "";
}

function showEnquetePopup(id) {
  var enqCookie = getCookie('show_enquete_' + id);
  if (enqCookie != null && enqCookie == "true") {
    return false;
  } else {
    return true;
  }
}