function nuevaEmail(que,cual,email)
{
var altura=screen.height;
var anchura=screen.width;
		var vent_x=300;
		var vent_y=150;

		var posx=150;
		var posy=75;
        

como='resizable=0,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=default,width='+vent_x+',height='+vent_y+',screenX='+posx+',screenY='+posy+',left='+posx+',top='+posy+''
newWindow=window.open(que,cual,como);
newWindow.focus()
}

/*
function validarEmail(mail)
{
//	if(mail!='')
	{
		p=mail.indexOf('@');
        if (p<1 || p==(mail.length-1))
		{
 			alert ('El email no es válido');
			return false;	
		}
		
		url='http://www.hospitalcruces.com/scripts/email_ok.asp?lng=es&email=' + mail;
		nuevaEmail(url,'email','400');
	}
	else
	{
		alert('Debe introducir un email');
	}
}
*/

function trim(cadena){
	while (cadena.substring(0,1) == ' '){
		cadena = cadena.substring(1, cadena.length);
	}
	while (cadena.substring(cadena.length-1, cadena.length) == ' '){
		cadena = cadena.substring(0,cadena.length-1);
	}
	return cadena;
}

function validarEmail(mail) { 
	mail = trim(mail);
    var re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
	if (re.test(mail)){
		url='http://www.hospitalcruces.com/scripts/email_ok.asp?lng=es&email=' + mail;
		nuevaEmail(url,'email','400');
	}
	else{
		alert ('El email no es válido');
		return false;	
	}
}