function chkmail(mailstring) {
	var resmail=mailstring.match(/\b(^(\S+@).+((\..{2,10}))$)\b/gi);
	if (resmail==null){ return false; }else{ return true; }
}

function email(name, domain, tld) {
	var printemail = '<a href="mailto:'+name+'@'+domain+'.'+tld+'" title="'+name+'@'+domain+'.'+tld+'">E-mail</a>';
	document.write(printemail);
}

var ros=new Array('nals','suedtirol','meranerland','weinstrasse','biker','altoadige','meranodintorni');
var imgson=new Array();
var imgsoff=new Array();

function initimgs(){
	for(var i=0; i<ros.length; i++){
		imgson[i]=new Image();
		imgson[i].src="img/logos/"+ros[i]+"_over.gif";
		imgsoff[i]=new Image();
		imgsoff[i].src="img/logos/"+ros[i]+"_off.gif";
	}
}

function imageon(iname){
	for(var i=0; i<ros.length; i++){
		if (ros[i]==iname) document.getElementById(iname).src = imgson[i].src;
	}
}

function imageoff(iname){
	for(var i=0; i<ros.length; i++){
		if (ros[i]==iname) document.getElementById(iname).src = imgsoff[i].src;
	}
}

function on(name){
	imageon(name);
}

function off(name){
	imageoff(name);
}

initimgs();