function popup_en(){
	ns4 = (document.layers)? true:false;
	ie4 = (document.all)? true:false;
	var altura=screen.height-55;
	var anchura=screen.width-10;
window.open('en/index.html','english','resizable=0,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,width='+anchura+',height='+altura+',screenX=0,screenY=0,left=0,top=0');
}


function popup_fr(){
	ns4 = (document.layers)? true:false;
	ie4 = (document.all)? true:false;
	var altura=screen.height-55;
	var anchura=screen.width-10;
window.open('fr/index.html','francais','resizable=0,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,width='+anchura+',height='+altura+',screenX=0,screenY=0,left=0,top=0');
}


function popup_es(){
	ns4 = (document.layers)? true:false;
	ie4 = (document.all)? true:false;
	var altura=screen.height-55;
	var anchura=screen.width-10;
window.open('es/index.html','espanol','resizable=0,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,width='+anchura+',height='+altura+',screenX=0,screenY=0,left=0,top=0');
}


function popup_it(){
	ns4 = (document.layers)? true:false;
	ie4 = (document.all)? true:false;
	var altura=screen.height-55;
	var anchura=screen.width-10;
window.open('it/index.html','italiano','resizable=0,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,width='+anchura+',height='+altura+',screenX=0,screenY=0,left=0,top=0');
}