var TotalRows = 5;
var TotalCols = 5;
var aRowsOff = new Array();
var aColsOff = new Array();
var isIE = false

if (document.all) isIE = true

//----------------------------------------------------------
function HideRow(r){

  if(aRowsOff.length < TotalRows-1){ //don't remove the last row
    var RowOff = 'Row'+r;
    var wid = eval('document.all.'+RowOff);
    wid.style.display = 'none';
    AddToArray(r,aRowsOff);
    //RowBackMsg();
  }
}
//----------------------------------------------------------
function ShowRow(r){
  var RowOn = 'Row'+r;
  var wid = eval('document.all.'+RowOn);
  if (isIE) {wid.style.display = 'block';}
  else{ wid.style.display = 'table-row';}
  RemoveFromArray(r,aRowsOff);
  //RowBackMsg(); 
}

//----------------------------------------------------------
function HideCol(c){
  if(aColsOff.length < TotalCols-1){ //don't remove the last column
    var wid
    for (var r=0; r<=TotalRows; r++){
      //alert('document.all.R'+r+'C'+c);
      wid = eval('document.all.R'+r+'C'+c);
      wid.style.display = 'none';
    }
    AddToArray(c,aColsOff);
    ColBackMsg();
  }
}

//----------------------------------------------------------
function ShowCol(c){
  var wid
  for (var r=0; r<=TotalRows; r++){
    //alert('document.all.R'+r+'C'+c);
    wid = eval('document.all.R'+r+'C'+c);
    if (isIE) {wid.style.display = 'block';}
    else{ wid.style.display = 'table-cell';}
  }
  RemoveFromArray(c,aColsOff);
  ColBackMsg();  
}

//----------------------------------------------------------
function ColBackMsg(){
  var msg ="";
  if(aColsOff.length>0) msg ="Restore Col # ";
  for (i=0; i<=aColsOff.length-1; i++){
    //alert('element='+i+' value='+aRowsOff[i]);
    msg = msg + '<A HREF="javascript:ShowCol(\''+ aColsOff[i] +'\');"><B>'+aColsOff[i]+'</B></A>, '
  }
  document.getElementById('MsgCols').innerHTML=msg;
}

//----------------------------------------------------------
function RowBackMsg(){
  var msg ="";
  if(aRowsOff.length>0) msg ="Restore Row # ";
  for (i=0; i<=aRowsOff.length-1; i++){
    //alert('element='+i+' value='+aRowsOff[i]);
    msg = msg + '<A HREF="javascript:ShowRow(\''+ aRowsOff[i] +'\');"><B>'+aRowsOff[i]+'</B></A>, '
  }
  document.getElementById('MsgRows').innerHTML=msg;
}


//----------------------------------------------------------
function RemoveFromArray(Val,aryL) {
  for (var i=0;i<aryL.length;i++) {
    if (Val == aryL[i]) {
      aryL.splice(i,1);
      break;
    }
  }
}
  
//----------------------------------------------------------
function AddToArray(Val,aryL) {
  aryL[aryL.length] = Val;
  //alert(Val + ' - ' + aryL[aryL.length-1]);
}