function validate() {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = document.getElementById('email').value;
   if(reg.test(address) == false) {
      alert('Invalid Email Address');
      return false;
   }
}

function validateform(){
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	var address = document.getElementById('cemail').value;
	var error = '';
	var e;
	if(checkfield('fname')==true)
		error +='Required Field: First Name\n';
	if(checkfield('lname')==true)
		error +='Required Field: Surname Name\n';
	if(checkfield('hphone')==true && checkfield('mphone')==true)
		error +='Please provide your Home Phone or Mobile Phone\n';	
	if(reg.test(address) == false)
			error +='Invalid Email Address';
	
	if(error=='')
		return true;
	else{
		alert(error);
		return false;
	}
}

function checkfield(c){
	if(document.getElementById(c).value=='' || document.getElementById(c).value==undefined || document.getElementById(c).value==null)
		return true;
	else
		return false;
}