// JavaScript Document

// wait for the DOM to be loaded 
        	

function checkform (form) {
	if (form.nameFull.value == ""){
		alert("Please enter your full name.")
		form.nameFull.focus();
		return false;
	}
	if (form.email.value == "") {
		alert( "Please enter your email address." );
		form.email.focus();
		return false;
	} else {
		if (isValidEmail(form.email.value) == false) {
			alert("Please enter a valid email address.");
			form.email.focus();
			return false ; 
		}
	}
	if (form.phone.value == ""){
		alert("Please enter your phone number.")
		form.phone.focus();
		return false;
	}
	   
       return true ;
	  
}

function isValidEmail(str) {
   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}