// JavaScript Document

function myOnLoad(){     
swapForm('TXT0');     
swapbutts('LEFT0');  
swaptab('TAB0');
}

var oldObject = null;
function swapForm(objectID){
     var object = document.getElementById
      (objectID);
     if (oldObject) oldObject.style.display = 'none';
     if (object) {
	object.style.display = 'block';
     	oldObject = object;
     }
}

var tabObject = null;
function swaptab(objectID){
     var object = document.getElementById
      (objectID);
     if (tabObject) tabObject.style.display = 'none';
     if (object) {
     	object.style.display = 'block';
     	tabObject = object;
     }
}

var badObject = null;
function swapbutts(objectID){
     var object = document.getElementById
      (objectID);
     if (badObject) badObject.style.display = 'none';
     if (object) {
      object.style.display = 'block';
      badObject = object;
     }
}

function lockForm ( form ) {    
    form.disability.disabled = true; 
    form.enableForm.disabled = false; 
    form.disableForm.disabled = true; 
} 
    
function unlockForm ( form ) { 
    form.disability.disabled = false; 
    form.enableForm.disabled = true; 
    form.disableForm.disabled = false; 
}