var midcntr = document.getElementById('midCntr').offsetHeight;
var midcntrLeft = document.getElementById('midCntr').offsetLeft;
var header = document.getElementById('header').offsetTop;
var midcntrWdth = document.getElementById('midCntr').offsetWidth;
document.getElementById('todolist').style.left = findPosX(midCntr)+600;
document.getElementById('todolist').style.top = header+80;
document.getElementById('midLftCrnr').style.height = midcntr;
document.getElementById('midRghtCrnr').style.height = midcntr;