function updateBtns()
{
	form = document.getElementById("contactForm");
	if(form != null)
	{
	 	ctrls = Array("firstname", "lastname", "phone", "email", "Message");
		bEnable = true;
		for(field in ctrls)
		{
		 	if(form.elements[ctrls[field]].value.length < 1)
		 	{
			 	bEnable = false;
			 	break;
			}
		}
		ctrl = document.getElementById("submit");
		if(ctrl != null)
			ctrl.disabled = bEnable?"":"disabled";

		ctrl = document.getElementById("hint");
		if(ctrl != null)
			ctrl.innerHTML = bEnable?"":"All fields are required";
	}
	
}