function changeTitle(title) {
			if (typeof title != "string") { return document.title; }
			document.title = title+': The Scientist';

		}
		//KEYWORDS, Description, Author 
		function switchMeta(name,value){
			var metaArray = document.getElementsByName(name);
  			for (var i=0; i<metaArray.length; i++) {
   				metaArray[i].content=value;
  			}
	
		}
		
			var trackedVideo = 0;
			var videoName = 'default';
			function trackvideo(name){
				if(videoName==name){
					if(trackedVideo==0){
						pageTracker._trackPageview('Video:'+name);
						trackedVideo = 1;
						videoName=name;
						//alert('tracking video'+name);
					}
				}else{
					pageTracker._trackPageview('Video:'+name);
					trackedVideo = 1;
					videoName=name;
					//alert('tracking video'+name);
				}
			}