function setStyleEmail(x) {
  var t1 = "Name...";
	var t3 = "Email...";
	var t4 = "Phone Number...";
	var t2 = "Write a message to be emailed...";
	
	document.getElementById(x).style.color = "#000000";
	if (document.getElementById(x).value == t1 || 
	    document.getElementById(x).value == t2 ||
			document.getElementById(x).value == t3 ||
			document.getElementById(x).value == t4) {
			document.getElementById(x).value = "";
	}
}

function revertStyleEmail(x) {
  var t1 = "Name...";
	var t3 = "Email...";
	var t4 = "Phone Number...";
	var t2 = "Write a message to be emailed...";
	
	
	if (document.getElementById(x).value == "") {
	  document.getElementById(x).style.color = "#AAAAAA";
		if (x.substring(0,5) == "eName")
		  document.getElementById(x).value = t1;
		else if (x.substring(0,6) == "eEmail")
		  document.getElementById(x).value = t3;
		else if (x.substring(0,6) == "ePhone")
		  document.getElementById(x).value = t4;
		else
			document.getElementById(x).value = t2;
	}
}

function validateEmail(x1, x2, x3, x4) {
  var t1 = "Name...";
	var t3 = "Email...";
	var t4 = "Phone Number...";
	var t2 = "Write a message to be emailed...";
	
	if (document.getElementById(x1).value == t1) {
			alert("Please write your name.");
	    return false;
	}
	else if (document.getElementById(x3).value == t3 && 
	         document.getElementById(x4).value == t4) {
			alert("Please provide at least an email address or phone number.");
	    return false;
	}
	else if (document.getElementById(x2).value == t2) {
			alert("Please write a message.");
	    return false;
	}
	return true;
}