function Resize() {
var hm = document.getElementById("mainbody").offsetHeight + 100

var xl=document.getElementById("menutable").rows
var yl=xl[2].cells
var hl = yl[0].offsetHeight + 693 
var xr=document.getElementById("puzzelgroen").rows
var yr=xr[0].cells
var hr = yr[1].offsetHeight + 166
 
if (hl > hm ) {
 if (hl > hr) {
   yr[1].height = (hl - hr) +419
 }
 else {
   yl[0].height = (hr - hl) 
 }
}
else  {
  if (hm > hr) {
     yr[1].height = hr + (hm - hr )
     hr = yr[1].offsetHeight + 18 
     yl[0].height = hr - 527 
  }
  else {
    yl[0].height =  (hr - hl)  
  }
}

}