if (!pageHandler)
{
    var pageHandler = {};
}

pageHandler.getId = function()
{
    return this.id;
};

pageHandler.getRef = function()
{
    return this.ref;
};

pageHandler.getLang = function()
{
    return this.lang;
};

pageHandler.getTitle = function()
{
    return this.title;
};

pageHandler.getAuthor = function()
{
    return this.author;
};

pageHandler.getKeywords = function()
{
    return this.keywords;
};

pageHandler.getThread = function()
{
    return this.thread;
};

pageHandler.getTags = function()
{
    return this.tags;
};

pageHandler.hasTag = function(tag)
{
    return (this.tags.indexOf(tag) != -1);
};

pageHandler.getTopic = function()
{
    return this.topic;
};

pageHandler.setTopic = function(topic)
{
    this.topic = topic;
};

pageHandler.getMarker = function()
{
    return this.marker;
};

pageHandler.setMarker = function(marker)
{
    this.marker = marker;
};

pageHandler.setMarkerParameter = function(name, value)
{
    if (typeof this.marker != "object")
    {
        this.marker = {};
    }

    this.marker[name] = value;
};

pageHandler.getMarkerParameter = function(name)
{
    if (typeof this.marker == "object")
    {
        return this.marker[name];
    }

    return null;
};

function accessiblePopup(elt, width, height)
{
    if (!width)
    {
        width = screen.width;
    }

    if (!height)
    {
        height = screen.height;
    }

    var left = Math.floor((screen.width - width) / 2);
    var top = Math.floor((screen.height - height) / 2);
    var popupWindow = window.open(
        elt.getAttribute('href'),
        "popup",
        "top=" + top + ", left=" + left + ", width=" + width + ", height=" + height + ", location=yes, menubar=yes, toolbar=yes, resizable=yes, scrollbars=yes"
    );

    popupWindow.focus();

    return false;
}

function accessiblePrint(elt)
{
    if (window.print)
    {
        window.print();
    }
    else if (elt)
    {
        window.location.href = elt.getAttribute('href');
    }

    if (elt)
    {
        return false;
    }
}

function accessibleAddToFavorite(elt)
{
    if (window.sidebar && window.sidebar.addPanel)
    {
        window.sidebar.addPanel(document.title, document.location.href, '');
    }
    else if (document.all && window.external)
    {
        window.external.AddFavorite(document.location.href, document.title);
    }
    else if (elt)
    {
        window.location.href = elt.getAttribute('href');
    }

    if (elt)
    {
        return false;
    }
}

function getFieldValueByName (aFieldName)
{
    var value = '';

    var field = $("[name='formParam[" + aFieldName + "]']");

    if (field && field.length)
    {
        value = field[0].value;
    }

    return value;
}

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

/*
$().ready(function (){
	$("#nav li").mouseover(function (){$(this).addClass('sfhover'); });
	$("#nav li").mouseout(function (){$(this).removeClass('sfhover'); });
});
*/

// Clean search form on click, don't submit if no keyword is set
$().ready(function (){
	$('input#solrsearch').focus(function (){
		if($(this).attr('value') == 'Search ...')
		{
			$(this).attr('value', '');
		}
	});
	$('input#solrsearch').parent().submit(function (){
		if($('input#solrsearch').attr('value') == 'Search ...')
		{
			$('input#solrsearch').focus();
			return false;
		}
		return true;
	})
});

/*
 
Correctly handle PNG transparency in Win IE 5.5 & 6.
http://homepage.ntlworld.com/bobosola. Updated 18-Jan-2006.

Use in <HEAD> with DEFER keyword wrapped in conditional comments:
<!--[if lt IE 7]>
<script defer type="text/javascript" src="pngfix.js"></script>
<![endif]-->

*/

var arVersion = navigator.appVersion.split("MSIE");
var version = parseFloat(arVersion[1]);

if ((version >= 5.5) && (document.body.filters)) 
{
   for(var i=0; i<document.images.length; i++)
   {
      var img = document.images[i]
      var imgName = img.src.toUpperCase()
      if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
      {
         var imgID = (img.id) ? "id='" + img.id + "' " : ""
         var imgClass = (img.className) ? "class='" + img.className + "' " : ""
         var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
         var imgStyle = "display:inline-block;" + img.style.cssText 
         if (img.align == "left") imgStyle = "float:left;" + imgStyle
         if (img.align == "right") imgStyle = "float:right;" + imgStyle
         if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
         var strNewHTML = "<span " + imgID + imgClass + imgTitle
         + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
         + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
         + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
         img.outerHTML = strNewHTML
         i = i-1
      }
   }
}
