// JavaScript Document
function validate(form_id,email,name,enquiry) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = document.forms[form_id].elements[email].value;
   var fname=document.forms[form_id].elements[name].value;
   var comments=document.forms[form_id].elements[enquiry].value;
   
   if(reg.test(address) == false || trim(fname)=='' || trim(comments)=='' || trim(comments)=='(please type in your comments):') {
	  if(trim(fname)==''){ 
		  alert('Full Name can not be blank!');
		  return false;

	  }else if(reg.test(address) == false){
		  alert('Invalid Email Address');
		  return false;

	  }else{
		  alert('Comments can not be blank!');
		  return false;

	  }
   }
}

function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}
function ltrim(stringToTrim) {
	return stringToTrim.replace(/^\s+/,"");
}
function rtrim(stringToTrim) {
	return stringToTrim.replace(/\s+$/,"");
}