var Nbef="conte2";

function th(f1,f2,f3,f4){
	if(Nbef==f1){ return; }
	document.getElementById(Nbef).style.display = "none";
	chgClass(f3,'wb');
	document.getElementById(f1).style.display = "block";
	chgClass(f4,'db');
	Nbef=f1;

}

function chgClass(i,c){
    document.getElementById(i).className=c; 
}


function mai(user,domain) {
	locationstring = "mailto:" + user + "@" + domain;
	window.location = locationstring;
}
function openWin(x){

	window.open(x,"NewWin","menubar=no,toolbar=no,location=no,directories=no,status=yes,scrollbars=yes,resizable=yes,width=520,height=500,left=100,top=130");

}

function ov( bId ){
	if(document.getElementById){
		var spab = document.getElementById(bId);

		if(spab.style.display == "block"){
			spab.style.display = "none";
		}
		else{
			spab.style.display = "block";
		}
	}
}