// JavaScript Document
function altoColumnas()
{	var AltoColDer=document.getElementById("ColDer").offsetHeight;
	var AltoColIzq=document.getElementById("ColIzq").offsetHeight;
	var AltoColCen=document.getElementById("ColCen").offsetHeight;
	
	var NuevoAlto=Math.max(AltoColIzq,AltoColCen,AltoColDer)+'px';
	
	document.getElementById("ColDer").style.height=NuevoAlto	
	document.getElementById("ColCen").style.height=NuevoAlto	
	document.getElementById("ColIzq").style.height=NuevoAlto
}
function validaForma()
{   var Alerta="The following fields are required:\r\n\r\n";
    var ok=1; 
    var email = document.getElementById("Correo");
    var regex = /[a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/;
//  /^[_\w\.\-]+@[\w\.-]+\.[a-z]{2,6}$/;
//    /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
    
    if (document.getElementById("Nombre").value=="")
    {   Alerta=Alerta+"- Name\n\r";
        document.getElementById("Nombre").style.backgroundColor="#ff9";
        ok=0;
    }
    if (document.getElementById("Correo").value=="")
    {   Alerta=Alerta+"- e-Mail\n\r";
        document.getElementById("Correo").style.backgroundColor="#ff9";
        ok=0;
    }
    if (document.getElementById("Comentario").value=="")
    {   Alerta=Alerta+"- Comment";
        document.getElementById("Comentario").style.backgroundColor="#ff9";
        ok=0;
    }
    if (ok==0)
    {   alert(Alerta);
    }
    else if (ok==1)
    {   if (!regex.test(email.value))
        {   alert("Please provide a valid email address.");
            email.focus();
        }
        else
        {   document.getElementById("Contacto").submit();
        }
    }
}
window.onload=function() {altoColumnas();}