function openPeel(){
document.getElementById('bigDiv').style.top = '0px';

//document.getElementById('bigDiv').style[xPos] = '0px';
document.getElementById('thumbDiv').style.top = '-1000px';

}

function closePeel(){
document.getElementById("thumbDiv").style.top = "0px";
document.getElementById("bigDiv").style.top = "-1000px";

}