//begin globals
	
var briefintro = document.getElementById('briefintro');


function changedest (src,hgt) {	
	lastlayerid = src;		
	if( briefintro.innerHTML != document.getElementById(src).innerHTML ){
		briefintro.innerHTML = document.getElementById(src).innerHTML;
		briefintro.style.height= hgt;
		}
		else { briefintro.innerHTML = " ";
			briefintro.style.height="0px";
			}
	number= document.body.offsetHeight-110; 
	window.scrollTo(0,number)

	}