function sizeBox(){
if(document.getElementById('thebox').value.length == document.getElementById('thebox').cols){
document.getElementById('thebox').cols=document.getElementById('thebox').value.length;
}
if(document.getElementById('thebox').value.height == document.getElementById('thebox').rows){
document.getElementById('thebox').rows=document.getElementById('thebox').value.height;
}
}