function expand(){
//document.getElementById("area2_2").style.visibility="visible";
document.getElementById("area2_2").style.visibility="hidden";

//document.getElementById("area2_1").style.height="307px";
document.getElementById("area2_1").style.height="390px";

//document.getElementById("scroller2").style.visibility="hidden";
document.getElementById("scroller2").style.visibility="visible";
}
function contract(){
document.getElementById("area2_2").style.visibility="visible";
//document.getElementById("area2_2").style.visibility="hidden";

document.getElementById("area2_1").style.height="307px";
//document.getElementById("area2_1").style.height="390px";

document.getElementById("scroller2").style.visibility="hidden";
//document.getElementById("scroller2").style.visibility="visible";
}