function pleaseWait()
{
	setTimeout('pleaseWaitInternal()', 2000);
}
function pleaseWaitNoDelay()
{
	pleaseWaitInternal();
}

function pleaseWaitInternal()
{
	var contentTable = document.getElementById('contentTable');
	if(contentTable != null)
	{
		contentTable.style.display='none';
	}
	var waitMessage = document.getElementById('waitMessage');
	waitMessage.style.display='';
	var imageSource = document.images["waitImage"].src;
	document.images["waitImage"].src=imageSource; 
	return true;
}


function hidePleaseWait()
{
	var waitMessage = document.getElementById('waitMessage');
	waitMessage.style.display='none';
	var contentTable = document.getElementById('contentTable');
	if(contentTable != null)
	{
		contentTable.style.display='';
	}
}