var SimplePop = Class.create({
	initialize : function(trigger, pop){
		this.trigger = trigger;
		this.pop = pop;
		this.trigger.observe('click', this.open.bind(this));
		this.pop.down('.close').observe('click', this.close.bind(this));
	},
	open : function(ev){
		ev.stop();
		this.pop.appear({duration:.4});
	},
	close : function(ev){
		ev.stop();
		this.pop.fade({duration:.4});
	}
});

document.observe("dom:loaded", function(){
	var trig = $$('.case_study a'), pop = $$('.case_study_pop');
	if (trig.length && pop.length)
		new SimplePop(trig[0], pop[0]);
});