function validEmail() {
	var email = document.reg.email.value;
	var r = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/;
	if (!r.test(email)) {
		
		document.getElementById("asteriskEmail").style.display="inline";
		return 0
	}
	else {
		
		document.getElementById("asteriskEmail").style.display="none";
		return 1
	}
	
	
}

function validFirstName() { 
	if (document.reg.firstName.value.length>0) {
		
		document.getElementById("asteriskFirstName").style.display="none";
		return 1
	}
	else {
		
		document.getElementById("asteriskFirstName").style.display="inline";
		return 0
	}
}

function validLastName() { 
	if (document.reg.lastName.value.length>0) {

		document.getElementById("asteriskLastName").style.display="none";
		return 1
	}
	else {

		document.getElementById("asteriskLastName").style.display="inline";
		return 0
	}
}

function validate() {
	
	if (validEmail()*validFirstName()*validLastName()==1) {
		document.getElementById("validationMessage").style.display="none";
		//document.reg.b.disabled=false;
		return true;
	}
	else {
		document.getElementById("validationMessage").style.display="inline";
		return false;
		//document.reg.b.disabled=true;
	}
}