function ChkFrm() {
	var f = document.frm;

	if(_trim(f.f_name.value) == '') {
		alert('Please insert your first name');
		f.f_name.focus();
		return false;
	}
	if(_trim(f.l_name.value) == '') {
		alert('Please insert your last name');
		f.l_name.focus();
		return false;
	}
	if(_trim(f.phone.value) == '') {
		alert('Please insert your phone information');
		f.phone.focus();
		return false;
	}
/*	if(_trim(f.email.value) == '') {
		alert('Please insert your email address');
		f.email.focus();
		return false;
	}
	if (f.email.value.indexOf("@") < 0){
		alert('Please insert correct email address.');
		f.email.focus();
		return false;
	}
	if (f.email.value.indexOf(".") < 0){
		alert('Please insert correct email address.');
		f.email.focus();
		return false;
	}*/
	if(_trim(f.subject.value) == '') {
		alert('Please insert subject');
		f.subject.focus();
		return false;
	}
/*	if(_trim(f.message.value) == '') {
		alert('Please insert your message');
		f.message.focus();
		return false;
	}*/
	f.submit();
}

function _trim(a){
    return a.replace(/^\s*|\s*$/g,"")
}