jQuery(document).ready(

	/*
	This function gets loaded when all the HTML, not including the portlets, is
	loaded.
	*/

	function() {
		jQuery("#tng_ajax_indicator").hide();
		jQuery("#tng_dialog").hide();
		jQuery("#tng_ajax_indicator").html('<img src="/tnghp7-theme/images/layout/ajax_indicator.gif" border="0" alt="Loading...">');
		TNG_layerHack();
	}
);

Liferay.Portlet.ready(

	/*
	This function gets loaded after each and every portlet on the page.

	portletId: the current portlet's id
	jQueryObj: the jQuery wrapped object of the current portlet
	*/

	function(portletId, jQueryObj) {
	}
);

jQuery(document).last(

	/*
	This function gets loaded when everything, including the portlets, is on
	the page.
	*/

	function() {
	}
);

function tng_loading_indication(obj,width,height) {
	var img_w = 200;
	var img_h = 100;
	var hspace = Math.round((width-img_w)/2);
	var vspace = Math.round((height-img_h)/2);
	jQuery(obj).html('<img src="/tnghp7-theme/images/icons/tng_loading.gif" border="0" alt="Loading..." style="margin: '+vspace+'px '+hspace+'px '+vspace+'px '+hspace+'px;">');
}

function TNG_layerHack() {
	var relevantLinks = jQuery(".layer");
	
	for (var i = 0; i < relevantLinks.length; i++) {
		var faqid = TNG_getUrlParameter(relevantLinks[i].href,'faqid');
		if (faqid == "") {
			faqid = "0";
		}
		relevantLinks[i].href="javascript:TNG_faqLayer("+faqid+");";
	}
}

function TNG_getUrlParameter(url, parameter) {
	var params = url.split("&");
	var values;
	var result = "";
	for (var i = 0; i<params.length; i++) {
		values = params[i].split("=");
		if (values[0]==parameter) {
			result = values[1];
			break;
		}
	}
	return result;
}

function TNG_faqLayer(faqid) {
	jQuery.ajax({
		type: "GET",
		url: "/html/portlet/ext/tng_faqv2_viewer/serve_single_faq.jsp?faqid="+faqid,
		cache: false,
		dataType: "hmtl",
		data: "ajaxSub=true",
		beforeSend: function(){
			jQuery("#tng_ajax_indicator").show();
		},
		success: function(data){
			jQuery("#tng_ajax_indicator").hide();
			jQuery("#tng_dialog_content").html(data);
			jQuery("#tng_dialog").dialog({
				beforeclose: function(event, ui) {
					jQuery("#tng_dialog").hide();
					jQuery("#tng_dialog_content").html("");
					return true;
				},
				width:500,
				height:300,
				title:'Infobox'
			});
			jQuery("#tng_dialog").show();
		}
	});
}


jQuery.extend({

    createUploadIframe: function(id, uri)
	{
			//create frame
            var frameId = 'jUploadFrame' + id;
            
            if(window.ActiveXObject) {
                var io = document.createElement('<iframe id="' + frameId + '" name="' + frameId + '" />');
                if(typeof uri== 'boolean'){
                    io.src = 'javascript:false';
                }
                else if(typeof uri== 'string'){
                    io.src = uri;
                }
            }
            else {
                var io = document.createElement('iframe');
                io.id = frameId;
                io.name = frameId;
            }
            io.style.position = 'absolute';
            io.style.top = '-1000px';
            io.style.left = '-1000px';

            document.body.appendChild(io);

            return io			
    },
    createUploadForm: function(id, fileElementId)
	{
		//create form	
		var formId = 'jUploadForm' + id;
		var fileId = 'jUploadFile' + id;
		var form = jQuery('<form  action="" method="POST" name="' + formId + '" id="' + formId + '" enctype="multipart/form-data"></form>');	
		var oldElement = jQuery('#' + fileElementId);
		var newElement = jQuery(oldElement).clone();
		jQuery(oldElement).attr('id', fileId);
		jQuery(oldElement).before(newElement);
		jQuery(oldElement).appendTo(form);
		//set attributes
		jQuery(form).css('position', 'absolute');
		jQuery(form).css('top', '-1200px');
		jQuery(form).css('left', '-1200px');
		jQuery(form).appendTo('body');		
		return form;
    },

    ajaxFileUpload: function(s) {
        // TODO introduce global settings, allowing the client to modify them for all requests, not only timeout		
        s = jQuery.extend({}, jQuery.ajaxSettings, s);
        var id = new Date().getTime()        
		var form = jQuery.createUploadForm(id, s.fileElementId);
		var io = jQuery.createUploadIframe(id, s.secureuri);
		var frameId = 'jUploadFrame' + id;
		var formId = 'jUploadForm' + id;		
        // Watch for a new set of requests
        if ( s.global && ! jQuery.active++ )
		{
			jQuery.event.trigger( "ajaxStart" );
		}            
        var requestDone = false;
        // Create the request object
        var xml = {}   
        if ( s.global )
            jQuery.event.trigger("ajaxSend", [xml, s]);
        // Wait for a response to come back
        var uploadCallback = function(isTimeout)
		{			
			var io = document.getElementById(frameId);
            try 
			{				
				if(io.contentWindow)
				{
					 xml.responseText = io.contentWindow.document.body?io.contentWindow.document.body.innerHTML:null;
                	 xml.responseXML = io.contentWindow.document.XMLDocument?io.contentWindow.document.XMLDocument:io.contentWindow.document;
					 
				}else if(io.contentDocument)
				{
					 xml.responseText = io.contentDocument.document.body?io.contentDocument.document.body.innerHTML:null;
                	xml.responseXML = io.contentDocument.document.XMLDocument?io.contentDocument.document.XMLDocument:io.contentDocument.document;
				}						
            }catch(e)
			{
				jQuery.handleError(s, xml, null, e);
			}
            if ( xml || isTimeout == "timeout") 
			{				
                requestDone = true;
                var status;
                try {
                    status = isTimeout != "timeout" ? "success" : "error";
                    // Make sure that the request was successful or notmodified
                    if ( status != "error" )
					{
                        // process the data (runs the xml through httpData regardless of callback)
                        var data = jQuery.uploadHttpData( xml, s.dataType );    
                        // If a local callback was specified, fire it and pass it the data
                        if ( s.success )
                            s.success( data, status );
    
                        // Fire the global callback
                        if( s.global )
                            jQuery.event.trigger( "ajaxSuccess", [xml, s] );
                    } else
                        jQuery.handleError(s, xml, status);
                } catch(e) 
				{
                    status = "error";
                    jQuery.handleError(s, xml, status, e);
                }

                // The request was completed
                if( s.global )
                    jQuery.event.trigger( "ajaxComplete", [xml, s] );

                // Handle the global AJAX counter
                if ( s.global && ! --jQuery.active )
                    jQuery.event.trigger( "ajaxStop" );

                // Process result
                if ( s.complete )
                    s.complete(xml, status);

                jQuery(io).unbind()

                setTimeout(function()
									{	try 
										{
										jQuery(io).remove();
										jQuery(form).remove();	
											
										} catch(e) 
										{
											jQuery.handleError(s, xml, null, e);
										}									

									}, 100)

                xml = null

            }
        }
        // Timeout checker
        if ( s.timeout > 0 ) 
		{
            setTimeout(function(){
                // Check to see if the request is still happening
                if( !requestDone ) uploadCallback( "timeout" );
            }, s.timeout);
        }
        try 
		{
           // var io = jQuery('#' + frameId);
			var form = jQuery('#' + formId);
			jQuery(form).attr('action', s.url);
			jQuery(form).attr('method', 'POST');
			jQuery(form).attr('target', frameId);
            if(form.encoding)
			{
                form.encoding = 'multipart/form-data';				
            }
            else
			{				
                form.enctype = 'multipart/form-data';
            }			
            jQuery(form).submit();

        } catch(e) 
		{			
            jQuery.handleError(s, xml, null, e);
        }
        if(window.attachEvent){
            document.getElementById(frameId).attachEvent('onload', uploadCallback);
        }
        else{
            document.getElementById(frameId).addEventListener('load', uploadCallback, false);
        } 		
        return {abort: function () {}};	

    },

    uploadHttpData: function( r, type ) {
        var data = !type;
        data = type == "xml" || data ? r.responseXML : r.responseText;
        // If the type is "script", eval it in global context
        if ( type == "script" )
            jQuery.globalEval( data );
        // Get the JavaScript object, if JSON is used.
        if ( type == "json" )
            eval( "data = " + data );
        // evaluate scripts within html
        if ( type == "html" )
            jQuery("<div>").html(data).evalScripts();
			//alert(jQuery('param', data).each(function(){alert(jQuery(this).attr('value'));}));
        return data;
    }
})