function rollover(link,id,roll) {
  if(document.images) {
    im            = document.images[id];
    im.reg      = new Image();
    im.roll     = new Image();
    im.reg.src  = document.images[id].src;
    im.roll.src = roll;
    im.src        = im.roll.src;
    link.onmouseout  = new Function("var im=document."+id+"; im.src=im.reg.src;");
    link.onmouseover = new Function("var im=document."+id+"; im.src=im.roll.src;");
  }
}

function ratepodcast(plusminus, indexkey) {
	if (plusminus=='plus' && document.getElementById('raten').style.display != 'none') {
		document.getElementById('ratey').style.display = 'none';
		document.getElementById('podyessel').style.display = 'block';
		tempnum = ((document.getElementById('podyesnum').innerHTML) * 1) + 1;
		document.getElementById('podyesnum').innerHTML = tempnum;
	} else if (plusminus=='minus' && document.getElementById('ratey').style.display != 'none') {
		document.getElementById('raten').style.display = 'none';
		document.getElementById('podnosel').style.display = 'block';
		tempnum = ((document.getElementById('podnonum').innerHTML) * 1) + 1;
		document.getElementById('podnonum').innerHTML = tempnum;
	}
	document.getElementById('rateframe').src = 'podcast_list.php?i='+indexkey+'&pm='+plusminus+'&sort=rating';
}

function showhide(item1, item2) {
	document.getElementById(item1).style.display = "inline";
	document.getElementById(item2).style.display = "none";
}

function expander(itemid) {
	if (document.getElementById('g'+itemid).style.display == "none") { 
		document.getElementById('g'+itemid).style.display = "block";
		document.getElementById('i'+itemid).src = "img/frame/infodump_open.gif";
	} else {
		document.getElementById('g'+itemid).style.display = "none";
		document.getElementById('i'+itemid).src = "img/frame/infodump_closed.gif";
	}
}