function isEmail(str)
{
	// are regular expressions supported?
	var supported = 0;
	if (window.RegExp) {
		var tempStr = 'a';
		var tempReg = new RegExp(tempStr);
		if (tempReg.test(tempStr)) supported = 1;
	}
	if (!supported) return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
	var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,4}|[0-9]{1,4})(\\]?)$");
	return (!r1.test(str) && r2.test(str));
}

function MM_findObj(n, d)
{ //v4.0
  var p,i,x; 
  if (!d) d=document;
  //
  if ( (p=n.indexOf("?"))>0 && parent.frames.length ) {
    d=parent.frames[n.substring(p+1)].document;
    n=n.substring(0,p);
  }
  if ( !(x=d[n]) && d.all ) x=d.all[n];
  for ( i=0 ; !x && i<d.forms.length ; i++) x=d.forms[i][n];
  for ( i=0 ; !x && d.layers && i<d.layers.length ; i++) x=MM_findObj(n,d.layers[i].document);
  if ( !x && document.getElementById ) x=document.getElementById(n);
  return x;
}

function carte(zone,lang)
{
	window.open('carte_'+zone+'.'+lang+'.html','carte_'+zone,'resizable=1,scrollbars=1');	
}
function plan(zone,lang)
{
	window.open('plan_'+zone+'.'+lang+'.html','plan_'+zone,'resizable=1,scrollbars=1');	
}
function europe(lang)
{
	window.open('europe.'+lang+'.html','europe','resizable=1,scrollbars=1');	
}