function eval_meso(){
	ns4 = (document.layers)? true:false
   	ie4 = (document.all)? true:false
	form=document.forms['meso'];
	if((form.nom.value=='')||(form.cognom.value=='')||(form.pais.value=='')||(form.tel.value=='')||(form.email.value=='')){
		alert("Debe rellenar TODOS los campos\n marcados con (*) !!!");
	}
	else{
		if (ns4) setTimeout(obre,1000);
		if (ie4) setTimeout(obre,500);
	}
}

function obre(){
	ns4 = (document.layers)? true:false
   	ie4 = (document.all)? true:false
	if (ie4) open("mesonew.html","pvp");
	if (ns4) open("mesonew.html","_self");
	document.forms['meso'].reset();
}