var Obef = 'sp1';
var rrr = 'bu1';
function chonc( bId,chaid,cname,recname ){
	if(document.getElementById){

		if(bId == Obef){ return; }

		var spab = document.getElementById(bId);
		var tpab = document.getElementById(Obef);

		tpab.style.display = "none";
		spab.style.display = "block";

		Obef = bId;
		chgClass(rrr,recname);
		chgClass(chaid,cname);
		rrr = chaid;
	}
}

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

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

var Obef2 = 'photo0';
function om(n){

	if(n == Obef2){ return; }
	document.getElementById(Obef2).style.display = "none";

	Obef2 = n;
	document.getElementById(n).style.display = "block";

}