// JavaScript Document


	var el = document.getElementById("b1");
	var msg = document.getElementById("validateMsg");
	var email = document.getElementById("emailBox");
	var phone = document.getElementById("phoneBox");

	if (el.addEventListener)
	{
	  el.addEventListener('click', parameterFail, false); 
 	  email.addEventListener('keyup', parameterFail, false); 
	  phone.addEventListener('keyup', parameterFail, false); 	  
	} 
	else if (el.attachEvent)
	{
	  el.attachEvent('onclick', parameterFailIE, false);
	  email.attachEvent('onkeyup', parameterFailIE, false);
      phone.attachEvent('onkeyup', parameterFailIE, false);
	}
	
function parameterFail(evt)
{	
	if (email.value.length == 0 && phone.value.length == 0)
	{
		msg.style.display = "block";
		evt.preventDefault();
	}
	else if (email.value.length > 0 | phone.value.length > 0)
	{
		msg.style.display = "none";
	}
}

function parameterFailIE(evt)
{	
	if (email.value.length == 0 && phone.value.length == 0)
	{
		msg.style.display = "block";
		evt.returnValue = false;		
	}
	else if (email.value.length > 0 | phone.value.length > 0)
	{
		msg.style.display = "none";
	}

}