function verify_cform(f) {

		if(f.name.value == '') {
			alert('Please enter your name.');
			f.name.focus();
			return false;
		}

		if(f.email.value == '') {
			alert('Please enter your email.');
			f.email.focus();
			return false;
		}
		
		if(f.phone.value == '') {
			alert('Please enter your phone no.');
			f.phone.focus();
			return false;
		}


		return true;
	}