function ShowTooltip(ID)
{
  document.getElementById(ID).className='activeToolTip'
}
function HideTooltip(ID)
{
  document.getElementById(ID).className='idleToolTip'
}
function clearForm(formIdent) { 
var form, elements, i, elm; 
  form = document.getElementById 
    ? document.getElementById(formIdent) 
    : document.forms[formIdent]; 

	if (document.getElementsByTagName)
	{
		elements = form.getElementsByTagName('input');
		for( i=0, elm; elm=elements.item(i++); )
		{
			if (elm.getAttribute('type') == "text")
			{
				elm.value = '';
			}
		}
        elements = form.getElementsByTagName('select');
		for( i=0, elm; elm=elements.item(i++); )
		{
			elm.options.selectedIndex=0;
		}
        elements = form.getElementsByTagName('checkbox');
		for( i=0, elm; elm=elements.item(i++); )
		{
			elm.checked = false;
		}
	}

	return false;
}
function replaceElementHtml( elementID, html ) {
    var elt = document.getElementById( elementID );
    if (elt) {
      if (elt.innerHTML != html) {
        elt.innerHTML = html;
      }
    }
}
function set_tr_visible_state(id,bShow){
 var tr = document.getElementById(id);
 if (tr==null) { return; }
 if (bShow==true) { tr.style.display = ''; } else { tr.style.display = 'none'; }
 }
 function updateTextBox(source,dest) {
  var sourceTextBox = document.getElementById(source);
  var destTextBox = document.getElementById(dest);
  if (destTextBox.value=='') {
    destTextBox.value = sourceTextBox.value;
  }
}