/* 
  ------------------------------------
  PVII Menu CSS Express Drop-Down Menu
  by Project Seven Development
  www.projectseven.com
  ------------------------------------
*/

function unhide(i) {
  document.getElementById("hide"+i).style.display = 'block';
  document.getElementById("hide4").style.display = 'none';
}

function hide(i) {
  document.getElementById("hide"+i).style.display = 'none';
  document.getElementById("hide4").style.display = 'block';
}

/* Hide e-mail from spiders */

function displayMail(doc, prefix, display) {
  var part1 = "dutri";
  var part2 = "on.com";
  if (display == null || display == "") {
    doc.write("<a href=\"ma" + "ilto:" + prefix + "@" + part1 + part2 + "\">" + prefix + "@" + part1 + part2 + "</a>");
  }
  else {
    doc.write("<a href=\"ma" + "ilto:" + prefix + "@" + part1 + part2 + "\">" + display + "</a>");
  }
}

function getCookie( name ) {

  var start = document.cookie.indexOf( name + "=" );

  var len = start + name.length + 1;

  if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {

    return null;

  }

  if ( start == -1 ) return null;

  var end = document.cookie.indexOf( ';', len );

  if ( end == -1 ) end = document.cookie.length;

  return unescape( document.cookie.substring( len, end ) );

}



function setCookie( name, value, expires, path, domain, secure ) {

  var today = new Date();

  today.setTime( today.getTime() );

  if ( expires ) {

    expires = expires * 1000 * 60 * 60 * 24;

  }

  var expires_date = new Date( today.getTime() + (expires) );

  document.cookie = name+'='+escape( value ) +

    ( ( expires ) ? ';expires='+expires_date.toGMTString() : '' ) + //expires.toGMTString()

    ( ( path ) ? ';path=' + path : '' ) +

    ( ( domain ) ? ';domain=' + domain : '' ) +

    ( ( secure ) ? ';secure' : '' );

}



function deleteCookie( name, path, domain ) {

  if ( getCookie( name ) ) document.cookie = name + '=' +

      ( ( path ) ? ';path=' + path : '') +

      ( ( domain ) ? ';domain=' + domain : '' ) +

      ';expires=Thu, 01-Jan-1970 00:00:01 GMT';

}


function toggle(div_id) {
  var el = document.getElementById(div_id);
  if ( el.style.display == 'none' ) { el.style.display = 'block';}
  else {el.style.display = 'none';}
}
function blanket_size(popUpDivVar) {
  if (typeof window.innerWidth != 'undefined') {
    viewportheight = window.innerHeight;
  } else {
    viewportheight = document.documentElement.clientHeight;
  }
  if ((viewportheight > document.body.parentNode.scrollHeight) && (viewportheight > document.body.parentNode.clientHeight)) {
    blanket_height = viewportheight;
  } else {
    if (document.body.parentNode.clientHeight > document.body.parentNode.scrollHeight) {
      blanket_height = document.body.parentNode.clientHeight;
    } else {
      blanket_height = document.body.parentNode.scrollHeight;
    }
  }
  var blanket = document.getElementById('blanket');
  blanket.style.height = blanket_height + 'px';
  var popUpDiv = document.getElementById(popUpDivVar);
  popUpDiv_height=200;
  popUpDiv.style.top = popUpDiv_height + 'px';
}
function window_pos(popUpDivVar) {
  if (typeof window.innerWidth != 'undefined') {
    viewportwidth = window.innerHeight;
  } else {
    viewportwidth = document.documentElement.clientHeight;
  }
  if ((viewportwidth > document.body.parentNode.scrollWidth) && (viewportwidth > document.body.parentNode.clientWidth)) {
    window_width = viewportwidth;
  } else {
    if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) {
      window_width = document.body.parentNode.clientWidth;
    } else {
      window_width = document.body.parentNode.scrollWidth;
    }
  }
  var popUpDiv = document.getElementById(popUpDivVar);
  window_width=window_width/2-300;//300 is half popup's width
  popUpDiv.style.left = window_width + 'px';
}

function popup(windowname) {
  var r = parseInt(getCookie('dutrionkitreq'));
  if (r != 1) {
    var c = parseInt(getCookie('dutrionkit')); 
    if ((!c) || (c > 22)) {
        setCookie('dutrionkit', 1, 15);
        c = 1;
    }else{ 
      if (c == 3) {
        setCookie('dutrionkit', (c + 1), 15);
        blanket_size(windowname);
        window_pos(windowname);
        toggle('blanket');
        toggle(windowname);   
      }
    }
    setCookie('dutrionkit', (c + 1), 15);        
  }
}

function popclose(windowname) {
      blanket_size(windowname);
      window_pos(windowname);
      toggle('blanket');
      toggle(windowname);
}