if (typeof _hbPageView == "undefined" || !_hbPageView) {
	
	function _hbPageView() {
		
	}
}

if (typeof HDSocial == "undefined" || !HDSocial) {
	/**
	 * The HDSocial global namespace object.  If HDSocial is already defined, the
	 * existing HDSocial object will not be overwritten so that defined
	 * namespaces are preserved.
	 * 
	 * @class HDSocial
	 * @static
	 */
var HDSocial = {
	
hasAnalytics: function() {
	return !!HD && !!HD.util && !!HD.util.Analytics;
},
	
pageLink: function (pageUrl,windowName,winProperties, swfId){        
	var winNew = window.open(pageUrl,windowName,winProperties);		
	if (!winNew) {
		HDSocial.getSwf(swfId).openWindowFromSwf(pageUrl);
	}
	else {
		winNew.focus();
	}
},

getSwf:function (id){
	if (navigator.appName.indexOf("Microsoft") != -1) {
		return window[id];
	}
	else {
		return document[id];
	}
},   

hdSocialShare: function ( target, shareUrl, title, description, thumbUrl, hbxContent, swfId, media ) {
	switch(target) {
		case 'facebook':			
			HDSocial.hdFbShare( shareUrl, title, hbxContent, swfId, media );
			break;
		case 'myspace':			
			HDSocial.hdMSShare( shareUrl, title, description, thumbUrl, hbxContent, swfId, media );
			break;
		case 'digg':			
			HDSocial.hdDiggShare( shareUrl, title, description, hbxContent, swfId, media );
			break;
		case 'wordpress':		
		case 'blogger':
			HDSocial.hdBlogShare( shareUrl, title, description, thumbUrl, hbxContent, swfId, target, media );
			break;
	}
},

//Share Facebook
hdFbShare: function (shareUrl, title, hbxContent, swfId, media) {	
	var u =  shareUrl;
	var t = title;
	var finalURL = 'http://www.facebook.com/sharer.php?u='+encodeURIComponent(u)+'&t='+encodeURIComponent(t);
	var properties = 'toolbar=0,status=0,width=626,height=436';		
	HDSocial.pageLink (finalURL, 'Facebook', properties, swfId );
	
	//hbx
	if (this.hasAnalytics()) {
		HD.util.Analytics.track(this.analyticsFacebookString(media));			
	}
	else {
		_hbPageView('Facebook', hbxContent);
	}
},

//Share MySpace
hdMSShare: function ( shareUrl, title, description, thumbUrl, hbxContent, swfId, media ) {
	var bor ='0';
	var ref = shareUrl;
	var tar ='_blank';
	var s = '8';
	var alt = title;
	var a = 'left';
	var p = thumbUrl;
	var i = '<a href='+ref+'  target='+tar+'><img src='+p+' align='+a+' alt='+alt+' hspace='+s+' border='+bor+'/></a>';
	var T =  title;
	var C =  i + description + "<br/>Check it out at <a href='" + ref + "' target='" + tar + "'>" + T + "</a>";
	var U = '';
	var finalURL = 'http://www.myspace.com/index.cfm?fuseaction=postto&' + 't=' + encodeURIComponent(T) + '&c=' + encodeURIComponent(C) + '&u=' + encodeURIComponent(U) ;
	var properties = 'width=1024,height=768,scrollbars=yes,resizable=yes,toolbar=no,location=no,menubar=no,directories=no,status=no';		
	HDSocial.pageLink (finalURL, 'MySpace', properties, swfId);
	
	//hbx
	if (this.hasAnalytics()) {
		HD.util.Analytics.track(this.analyticsMyspaceString(media));			
	}
	else {
		_hbPageView('MySpace', hbxContent);	
	}	
},

//Share Digg
hdDiggShare: function ( shareUrl, title, description, hbxContent, swfId, media ) {            
	var finalURL = 'http://digg.com/submit/?url=' + shareUrl + '&title=' + title + '&bodytext=' + description;
	var properties = 'width=1024,height=768,scrollbars=yes,resizable=yes,toolbar=no,location=no,menubar=no,directories=no,status=no';		
	HDSocial.pageLink (finalURL, 'Digg', properties, swfId);
	
	//hbx
	if (this.hasAnalytics()) {
		HD.util.Analytics.track(this.analyticsDiggString(media));			
	}
	else {
		_hbPageView('Digg', hbxContent);
	}		
},

//Share blog
hdBlogShare: function ( shareUrl, title, description, thumbUrl, hbxContent, swfId, target, media ) {
	var bor ='0';
	var ref = shareUrl;
	var tar ='_blank';
	var s = '8';
	var alt = title.replace(/['"]/g,'');
	var a = 'left';
	var p = thumbUrl;
	var U = '';
	var T =  title;

	var i = '<div id="HDSocialBlogPost">';
	i += '<div class="dblRuleBtm">';
	i += '  <div class="head">POST TO YOUR BLOG</div>';
	i += '</div>';
	i += '<div class="hdwcMedPadBtm">';
	i += '<div id="hdwcInstructions">Copy and paste the embed code below and post it to your blog:</div>';
	i += '</div>';
	i += '<div id="hdwcBody" class="wrap">';
	i += '<div class="htmlEmbedCode hdwcSmlPadBtm">';
	i += '	<h2>Embed Code</h2>';
	i += '  <textarea name="copyText" id="copyText" >';
	i += '<a href="'+ref+'"  target="'+tar+'"><img src="'+p+'" align="'+a+'" alt="'+alt+'" hspace="'+s+'" border="'+bor+'"/></a>';
	i += description + '<br/>Check it out at <a href="' + ref + '" target="' + tar + '">' + T + '</a>';
	i += '</textarea>';
	i += '</div>';
	i += '<div class="btnOrange"><a href="javascript: void(0);" id="hdSocial-closebtn">Close</a></div>';
	i += '</div>';
	i += '</div>';		

	HDSocial.showOverlay( i, T, 586, 254, false);
	
	//hbx
	if (this.hasAnalytics()) {
		if (target == 'wordpress') {
			HD.util.Analytics.track(this.analyticsWordpressString(media));
		}
		else if (target == 'blogger') {
			HD.util.Analytics.track(this.analyticsBloggerString(media));
		}	
	}
	else {
		_hbPageView(target || 'Blog', hbxContent);
	}
},

/**
* Method for displaying page overlay.
* @param body{String} the overlay source HTML as a string 
* @param title {String} the overlay title string (used in iframe)
* @param width{int} (optional) the overlay width
* @param height{int} (optional) the overlay height	
* @param iframe{Boolean} sets overlay to iframe instead of DOM display
*/
showOverlay: function(body, title, width, height,iframe) {
	var overlayEl = YAHOO.util.Dom.get("hdwcOverlay");		
	
	// hide overlay instance if one already exists
	if(overlayEl){this.hideOverlay();}			
		
	// get viewport height			
	var isResizeViewPort = 540 > YAHOO.util.Dom.getViewportHeight() && parseInt(height, 10) > 450;
	
	// if the viewport it too small for the overlay we will resize the overlay
	if(isResizeViewPort){			
		height = YAHOO.util.Dom.getViewportHeight() - 40;				
	}		
		
	var posX = (YAHOO.util.Dom.getViewportWidth() / 2) - (width / 2);			
	var sfs = YAHOO.util.Dom.getDocumentScrollTop();		
	var posY = ((YAHOO.util.Dom.getViewportHeight() + sfs) / 2) - (height / 2);	

	posX = Math.round(posX);
	posY = Math.round(posY);	
		
	// configure overlay
	var overlayConfig = {			
		constraintoviewport: true,
		close: true,		  // show close button
		draggable: true,	  // draggable
		zindex:100000,		  // z index
		modal: true,		  // overlays other elements
		visible: false,		  // visible right away
		iframe: true,		  // useful in overlay certain elements
		underlay : "shadow",   // show shadow,
		x : posX,
		y : posY,
		// set width and height if passed, append "px" if integers
		height: typeof height == 'number' ? height + 'px' : height || null,	
			width: typeof width == 'number' ? width + 'px' : width || null									
		};  
		
		if(iframe == true){
		//set iframe to import page body as overlay body. passes width, height and src string.
			body = "<iframe class='hdwcOverlayIframe' src='" + body + "' frameBorder='0' height='" + height + "' width='" + width + "' scrolling='no' allowTransparency='true'></iframe>";
		}
		
		var overlay = new YAHOO.widget.Panel("hdwcOverlay", overlayConfig);
		//overlay.setHeader(header);
		overlay.setBody(body);
		overlay.render(document.body);
		//show the overlay
		overlay.show();		
		
		//IF IE check to position overlay in the middle of the screen
		if (YAHOO.env.ua.ie > 0) {			
			YAHOO.util.Dom.setStyle("hdwcOverlay_c", 'top', posY);
			YAHOO.util.Dom.setStyle("hdwcOverlay_c", 'left', posX);			
		} 		
	
		var closeClickCb = function(){			
			HDSocial.hideOverlay();
		};
		
		// use our hideOverlay method for when use clicks close on overlay
		// this allows for different events to fire when closing was user initiated
		var closeEls = YAHOO.util.Dom.getElementsByClassName("container-close", "a", overlayEl);
		closeEls.push(document.getElementById("hdSocial-closebtn"));
		for(var i = 0, len = closeEls.length; i < len; i++) {
			(function() {
				closeEls[i].onclick = closeClickCb;
			})();
		}
		
		// if the viewport it too small for the overlay we will resize overlay content
		if(isResizeViewPort){			
			YAHOO.util.Event.onContentReady("hdwcBody", function(){				
				var hdwcBodyEl = YAHOO.util.Dom.get("hdwcBody");
				var scrollableDivEl = YAHOO.util.Dom.get("scrollableDiv");				
				
				if(hdwcBodyEl) {
					hdwcBodyEl.style.height = (parseInt(height,10) - 65) + "px";
				}
				if(scrollableDivEl) {
					scrollableDivEl.style.height = (parseInt(height,10) - 90) + "px";					
				}
			}); 
			
		}
		
		this.overlay = overlay;

		return overlayEl;
	},
	
	hideOverlay : function() {
		//if there is an existent overlay, hide it			
		if(this.overlay != null) {
			this.overlay.hide();
			this.overlay.destroy();			
		}
	},
	
	analyticsFacebookString : function() {
		return "default_analyticsFacebookString";
	},
	
	analyticsMyspaceString : function() {
		return "default_analyticsMyspaceString";
	},	
	
	analyticsBloggerString : function() {
		return "default_analyticsBloggerString";
	},	
	
	analyticsWordpressString : function() {
		return "default_analyticsWordpressString";
	},	
	
	analyticsDiggString : function() {
		return "default_analyticsDiggString";
	}

};
}