/***
AKTIA Locale Selection Popup (c) Riku Mäkinen, Logica 2009
***/
function grayOut(vis, options) {
  // Pass true to gray out screen, false to ungray
  // options are optional.  This is a JSON object with the following (optional) properties
  // opacity:0-100         // Lower number = less grayout higher = more of a blackout
  // zindex: #             // HTML elements with a higher zindex appear on top of the gray out
  // bgcolor: (#xxxxxx)    // Standard RGB Hex color code
  // grayOut(true, {'zindex':'50', 'bgcolor':'#0000FF', 'opacity':'70'});
  // Because options is JSON opacity/zindex/bgcolor are all optional and can appear
  // in any order.  Pass only the properties you need to set.
  options = options || {};
  var zindex = options.zindex || 50;
  var opacity = options.opacity || 85;
  var opaque = (opacity / 100);
  var bgcolor = options.bgcolor || '#fff';
  var dark=document.getElementById('opaqueScreenObject');
  var tbody = document.getElementsByTagName("body")[0];
  if (!dark) {
    // The dark layer doesn't exist, it's never been created.  So we'll
    // create it here and apply some basic styles.
    // If you are getting errors in IE see: http://support.microsoft.com/default.aspx/kb/927917
	tbody.style.borderTop='5px solid #f6f6f6';           // Gray out also body's border
    var tnode = document.createElement('div');           // Create the layer.
        tnode.style.position='absolute';                 // Position absolutely
        tnode.style.top='0px';                           // In the top
        tnode.style.left='0px';                          // Left corner of the page
        tnode.style.overflow='hidden';                   // Try to avoid making scroll bars
        tnode.style.display='none';                      // Start out Hidden
        tnode.id='opaqueScreenObject';                   // Name it so we can find it later
    tbody.appendChild(tnode);                            // Add it to the web page
    dark=document.getElementById('opaqueScreenObject');  // Get the object.
  }
  if (vis) {
    // Calculate the page width and height
    if( document.body && ( document.body.scrollWidth || document.body.scrollHeight ) ) {
      var pageWidth = document.body.scrollWidth+'px';
      var pageHeight = document.body.scrollHeight+'px';
    } else if( document.body.offsetWidth ) {
      var pageWidth = document.body.offsetWidth+'px';
      var pageHeight = document.body.offsetHeight+'px';
    } else {
      var pageWidth='100%';
      var pageHeight='100%';
    }
	/* Window size */
	var minWidth = 962; //minimum width for shader (=main content width)
	var windowWidth = 0, windowHeight = 0;
    if( typeof( window.innerWidth ) == 'number' ) {
      //Non-IE
      windowWidth = window.innerWidth;
      windowHeight = window.innerHeight;
    } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
      //IE 6+ in 'standards compliant mode'
      windowWidth = document.documentElement.clientWidth+16;
      windowHeight = document.documentElement.clientHeight;
    } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
      //IE 4 compatible
      windowWidth = document.body.clientWidth;
      windowHeight = document.body.clientHeight;
    }
    //set the shader to cover the entire page and make it visible.
    dark.style.opacity=opaque;
    dark.style.MozOpacity=opaque;
    dark.style.filter='alpha(opacity='+opacity+')';
    dark.style.zIndex=zindex;
    dark.style.backgroundColor=bgcolor;
    dark.style.width=(windowWidth>minWidth?windowWidth:minWidth)+'px';
    dark.style.height='9999px';
    dark.style.display='block';
    //set body height and overflow to hidden
    tbody.style.height=windowHeight+'px';
    if (windowHeight < 750 || windowWidth < 750) {
      tbody.style.overflow='auto';
    } else {
      tbody.style.overflow='hidden';
    }
    localePopup(true);
  } else {
    dark.style.display='none';
    tbody.style.borderTop='5px solid #e6e6e6';
    tbody.style.height='auto';
    tbody.style.overflow='visible';
    localePopup(false);
  }
}
function localePopup(vis) {
  // Pass true to print locale selection popup, false to hide it
  var zindex = 100;
  var popup=document.getElementById('localeSelectionPopup');
  if (!popup) {
    // The popup layer doesn't exist, it's never been created.  So we'll
    // create it here and apply some basic styles.
    // If you are getting errors in IE see: http://support.microsoft.com/default.aspx/kb/927917
    var tbody = document.getElementsByTagName("body")[0];
    var tnode = document.createElement('div');            // Create the layer.
        tnode.style.display='none';                       // Start out Hidden
        tnode.id='localeSelectionPopup';                  // Name it so we can find it later
		tnode.innerHTML = 
			'<div class="boxColumn"><h1 class="aktia-logo">AKTIA</h1><h2>Välkommen</h2><p>till Aktias webbplats!</p>' +
			'<p><a href="'+se_link+'" onclick="createCookie(\'AKTIA_LOCALE_SET\',\'sv\',365);" class="button" title="Stig in">Stig in</a></p></div>';
		tnode.innerHTML += 
			'<div class="boxColumn"><h1 class="aktia-logo">AKTIA</h1><h2>Tervetuloa</h2><p>Aktian kotisivuille!</p>' +
			'<p><a href="'+fi_link+'" onclick="createCookie(\'AKTIA_LOCALE_SET\',\'fi\',365);" class="button button-fi" title="Astu sisään">Astu sisään</a></p></div>';
		tnode.innerHTML += 
			'<p class="bottom">' + 
			'<a href="'+en_link+'" onclick="createCookie(\'AKTIA_LOCALE_SET\',\'fi\',365);" title="In English">In English</a></p>';
    tbody.appendChild(tnode);                             // Add it to the web page
    popup=document.getElementById('localeSelectionPopup');// Get the object.
  }
  if (vis) {
    popup.style.zIndex=zindex;
    popup.style.display='block';
  } else {
    popup.style.display='none';
  }
}