function ht_row(obj,w){
	var tds = obj.getElementsByTagName('td');
	for(i=0;i < tds.length;i++) {
		if (w == 1) {
			tds[i].style.backgroundColor = '#E0F2FB';
		} else tds[i].style.backgroundColor = "#fff";
	}
}
function ht_col(obj,w,id,c) {
  if(w == 1) {
    document.getElementById('ofset1_'+c).style.backgroundColor = '#E0F2FB';
    document.getElementById('ofset2_'+c).style.backgroundColor = '#E0F2FB';
  }
  else {
    document.getElementById('ofset1_'+c).style.backgroundColor = '#fff';
    document.getElementById('ofset2_'+c).style.backgroundColor = '#fff';
  }
}