<!--

	var showAbstractLink = '[ <a href="javascript:void(0)" onclick="showAbstract(this);">Show abstract</a> ]';
	var hideAbstractLink = '[ <a href="javascript:void(0)" onclick="hideAbstract(this);">Hide abstract</a> ]';		
		


// shows abstracts
function showAbstract(link){
	mylink = link.parentNode.parentNode.parentNode;
	myrowId = mylink.getAttribute('id').substr(7);
	var abstractId = 'abstract' + myrowId;
	var myabstract = document.getElementById(abstractId);
	if (myabstract.className.indexOf('altsession') > -1){
		myabstract.className = 'abstractshow altsession';
	}
	else {
		myabstract.className = 'abstractshow';	
	}
	link.parentNode.innerHTML = hideAbstractLink;
}

// hides abstracts
function hideAbstract(link){	
	mylink = link.parentNode.parentNode.parentNode.nextSibling;
	if (mylink.nodeType == 3) {
		mylink = link.parentNode.parentNode.parentNode.nextSibling.nextSibling;
	}	
	abstractId = mylink.getAttribute('id');
	myabstract = document.getElementById(abstractId);
	if (myabstract.className.indexOf('altsession') > -1){
		myabstract.className = 'abstract altsession';
	}
	else{
		myabstract.className = 'abstract';	
	}
	link.parentNode.innerHTML = showAbstractLink;
}


//-->