var W3CDOM = document.getElementByID;
if (document.getElementById)
	{
	function openClose(number)
	{
		var answer=document.getElementById('_' + number + 'a');
	
		if (answer.style.display=='none')
		{
			answer.style.display='block';	
		}
		else if (answer.style.display=='block')
		{
			answer.style.display='none';
		}
	}
}



function popitup(url) 
{
	newwindow=window.open(url,'name','height=334,width=239');
	if (window.focus) {newwindow.focus()}
	return false;
}