Select function not working when called on onKeyDown evnt

[ravip]

I am trying to select some text in a texbox , on keyDown event.

but when i write such simple code its not selecting the text in that textbox ,
instead its only focusing that textbox.

It selects the same when called on keyUp event.
But its my application need that it should get called on keyDown event.

Please provide help , if possible
Thnks,
Ravi

[AricC]

What's the code?

[ravip]

What's the code?

// This is the function being called on onKeyDown event in a textBox
// The application has got a grid of textboxes , and this function is created to  
// move through these textboxes on arrow key press.(left , right ....)
function TabNext( obj,event,len,next_field ) 
{
    var keycode = event.keyCode; 
    var headerTable = document.getElementById( 'tblHead' );
    var HeaderTableRow = headerTable.cells;
    var maxColumns = HeaderTableRow.length;
 
    var rowsInTable = obj.parentNode.parentNode.parentNode.rows;
    var maxRows = rowsInTable.length;
 
    var cellIndex = obj.parentNode.cellIndex;
    var rowNo = obj.parentNode.parentNode.rowIndex;    
 
    var rowIndex=obj.parentNode.parentNode.rowIndex;
 
if(keycode == 37)//LEFT
 {         
   if(caretPos(obj) == 1 || obj.value == "")
    {
    while(cellIndex > 1)
 {
    cellIndex = cellIndex - 1;
  neighbourElement = HeaderTableRow[cellIndex].id;        
if(document.getElementById( neighbourElement + rowIndex).readOnly == false )
{
//THIS IS THE POINT WHERE I WANT TO SHOW THE TEXT TO BE SELECTED .
 
document.getElementById( neighbourElement + rowIndex).select();     break;
}
}
}
}
    if(keycode == 39)//RIGHT
    {         
       if(caretPos(obj) == -1)
       {       
               while(cellIndex < (maxColumns-1) )
               {
                cellIndex = cellIndex + 1;
                   neighbourElement = HeaderTableRow[cellIndex].id;        
                   if(document.getElementById( neighbourElement + rowIndex).readOnly == false )
                   {
                       document.getElementById( neighbourElement + rowIndex).select();
                       break;
                   }
                }
        }
    }
 
    if(keycode == 38)//UP    
    {     
        while(rowIndex > 0)        
        {   
               neighbourElement = HeaderTableRow[cellIndex].id;           
               rowIndex = rowIndex - 1;
               if(document.getElementById( neighbourElement + rowIndex).readOnly == false )
               {
                   document.getElementById( neighbourElement + rowIndex).select();
                   break;
               }
           }
    }
 
    if(keycode == 40)//DOWN    
    {            
        while(rowIndex < ( maxRows - 1 ) )    
       {    
             neighbourElement = HeaderTableRow[cellIndex].id;    
               rowIndex = rowIndex + 1;    
               if(document.getElementById( neighbourElement + rowIndex).readOnly == false)
               {
                   document.getElementById( neighbourElement + rowIndex).select();
                   break;
               }
           }
    }
 

[iam_clint]

Please post the html that goes with it so i can do some testing and post you the fixed code.