var rollovers = new Array();
rollovers['h0'] = new Image();
rollovers['h0'].src = "images/h0.gif";
rollovers['h1'] = new Image();
rollovers['h1'].src = "images/h1.gif";

rollovers['ap0'] = new Image();
rollovers['ap0'].src = "images/ap0.gif";
rollovers['ap1'] = new Image();
rollovers['ap1'].src = "images/ap1.gif";

rollovers['oc0'] = new Image();
rollovers['oc0'].src = "images/oc0.gif";
rollovers['oc1'] = new Image();
rollovers['oc1'].src = "images/oc1.gif";

rollovers['cs0'] = new Image();
rollovers['cs0'].src = "images/cs0.gif";
rollovers['cs1'] = new Image();
rollovers['cs1'].src = "images/cs1.gif";

rollovers['cp0'] = new Image();
rollovers['cp0'].src = "images/cp0.gif";
rollovers['cp1'] = new Image();
rollovers['cp1'].src = "images/cp1.gif";

rollovers['si0'] = new Image();
rollovers['si0'].src = "images/si0.gif";
rollovers['si1'] = new Image();
rollovers['si1'].src = "images/si1.gif";

rollovers['tte0'] = new Image();
rollovers['tte0'].src = "images/tte0.gif";
rollovers['tte1'] = new Image();
rollovers['tte1'].src = "images/tte1.gif";

rollovers['lc0'] = new Image();
rollovers['lc0'].src = "images/lc0.gif";
rollovers['lc1'] = new Image();
rollovers['lc1'].src = "images/lc1.gif";

rollovers['events0'] = new Image();
rollovers['events0'].src = "images/events0.gif";
rollovers['events1'] = new Image();
rollovers['events1'].src = "images/events1.gif";

function swapImg(eln, state){
	el = document.getElementById(eln);
	el.src = rollovers[eln + state].src;
}


function swapTopic(t, s){
	el = document.getElementById(t);
	if(s == 0){
		el.style.display = 'none';
	}
	else{
		el.style.display = 'block';
	}
}