function convalidarForma() {
			if((document.cD.name.value == "") || (document.cD.email.value == "") || (document.cD.subject.value == "") || (document.cD.message.value == "")) {
				alert("All fields are required.");
				return;
				}
			if((document.cD.email.value.indexOf("@") == -1) || (document.cD.email.value.indexOf(".") == -1)) {
				alert("Invalid e-mail address");
				return;
				}
			document.cD.submit();
			}