function clearInput(node, text) {
	if(node.value==text)
		node.value = "";
}


function popup(url) {
	window.open(url,"","width=400,height=300,locatation=no,menubar=no,resizable=yes,status=yes,toolbar=no");
	return false;
}

var win=null;
function NewWindow(mypage,myname,w,h,pos,infocus)
{
if(pos=="random"){myleft=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;mytop=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
if(pos=="center"){myleft=(screen.width)?(screen.width-w)/2:100;mytop=(screen.height)?(screen.height-h)/2:100;}
else if((pos!='center' && pos!="random") || pos==null){myleft=0;mytop=20}
settings="width=" + w + ",height=" + h + ",top=" + mytop + ",left=" + myleft + ",scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no";win=window.open(mypage,myname,settings);
win.focus();
}

function showNews(id, navElement) {
	var subNavi = document.getElementById("subNavi").getElementsByTagName("LI");
	for (var i=0; i < subNavi.length; i++) {
		subNavi[i].className = subNavi[i].className.replace("active", "");
	}
	navElement.parentNode.className += " active";
	document.getElementById("authorsHome").style.display="none";
	document.getElementById("podcastsHome").style.display="none";
	document.getElementById("textsHome").style.display="none";
	document.getElementById("topAuthorsHome").style.display="none";
	document.getElementById(id).style.display="block";
}

function initNews(){
	document.getElementById("podcastsHome").style.display="none";
	document.getElementById("textsHome").style.display="none";
	document.getElementById("topAuthorsHome").style.display="none";
}