// JavaScript Document
function showObj(targetA, targetA_display)
{
	document.getElementById(targetA).style.display = targetA_display;
}
function checkEmail(email) 
{
	var check = /^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/;
		if (!check.test(email)) {
			window.alert("Please enter a valid email.");
		return false;
		}
	return true;	
}
function checkFields(formObj) {
	if (formObj.u_firstname.value == "") {
		window.alert("Please enter your first name.");
		formObj.u_firstname.focus();
		return false;
	}else if (formObj.u_lastname.value == "") {
		window.alert("Please enter your last name.");
		formObj.u_lastname.focus();
		return false;
	}else if(checkEmail(formObj.u_eadd.value) == false){
		formObj.u_eadd.focus();
		return false;
	}else if (formObj.u_msg.value == "") {
		window.alert("Please type something.");
		formObj.u_msg.focus();
		return false;
	}else{
		formObj.btnAction.style.display = 'none';	
	}
	
}