Event.observe(window, 'load', function(){
	var descriptions = $$('.portfolioDescription');
	for(i = 0; i<descriptions.length; i++){
		var currentDesc = descriptions[i];
		currentDesc.hide();

		Event.observe($('title'+i), 'click', (function(currentDesc){
			currentDesc.toggle();
		}).bind(this, currentDesc));
	}
});