function CampaignInfoSlider() {
	var aboutButton = dojo.query('.about');
	var aboutContent = dojo.query('.aboutContent');
	var mainHolder = dojo.query('.mainHolder');
	var maxHeightAbout = dojo.style(aboutContent[0],'height');
	dojo.style(mainHolder[0], "height", (maxHeightAbout+35)+"px");
	console.debug("About: calculated height: " + maxHeightAbout);
	dojo.connect(aboutButton[0],"onclick", function(evt){
		dojo.stopEvent(evt);
		
		dojo.addClass(aboutButton[0],"active");
		dojo.addClass(aboutContent[0],"active");
		dojo.removeClass(aboutContent[0],"inactive");
		dojo.removeClass(byButton[0],"active");
		dojo.addClass(byContent[0],"inactive");
		console.debug('About: hoogte is '+maxHeightAbout);
		
		dojo.animateProperty({
			node:mainHolder[0],
			duration:500,
			properties:{height:{end:(maxHeightAbout+35), units:'px'}}
		}).play();
	
	}); 
	
	var byButton = dojo.query('.by');
	var byContent = dojo.query('.byContent');
	var maxHeightBy = dojo.style(byContent[0],'height');
	console.debug("By: calculated height: " + maxHeightBy);
	dojo.connect(byButton[0],"onclick", function(evt){
		dojo.stopEvent(evt);
		
		dojo.addClass(byButton[0],"active");
		dojo.addClass(byContent[0],"active");
		dojo.removeClass(byContent[0],"inactive");
		dojo.removeClass(aboutButton[0],"active");
		dojo.addClass(aboutContent[0],"inactive");
		console.debug('By: hoogte is '+maxHeightBy);
		dojo.animateProperty({
			node:mainHolder[0],
			duration:500,
			properties:{height:{end:(maxHeightBy+35), units:'px'}}
		}).play();
	});
}