function validateEmailv2(email){
// a very simple email validation checking. 
// you can add more complex email checking if it helps 
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return false;
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return false;
    }
    if(splitted[2] != null)
    {
      var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null) 
      {
	    var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
	    if(splitted[2].match(regexp_ip) == null) return false;
      }// if
      return true;
    }
	return false;
}
function validate(){
		var d;
		d = document.myFrm;
		if(d.name.value==""){
			alert("Please enter name");
			d.name.focus();
			return false;
		}
		if(d.email.value==""){
			alert("Please enter email");
			d.email.focus();
			return false;
		}
		if(d.email.value!=""){
			var x=validateEmailv2(d.email.value);
			if(x){}else{alert("Please enter a valid email");d.email.focus();return false;}
		}
		if(d.enquiry.value==""){
			alert("Please enter enquiry");
			d.comments.focus();
			return false;
		}
}