function validate_required(field,alerttxt) {
	with (field) {
		if (value==null||value=="") {
			alert(alerttxt);
			return false;
		}
		else {
			return true
		}
	}
}

function validate_email(field,alerttxt) {
	with (field) {
		apos=value.indexOf("@");
		dotpos=value.lastIndexOf(".");
		if (apos<1||dotpos-apos<2) {
			alert(alerttxt);
			return false;
		}
		else {
			return true
		}
	}
}

function validate_form(thisform) {
	with (thisform) {
		if (validate_required(name,"Name is Required")==false) {
			name.focus();
			return false;
		}
		if (validate_required(company,"Company is Required")==false) {
			company.focus();
			return false;
		}
		if (validate_required(telephone,"Telephone is Required")==false) {
			telephone.focus();
			return false;
		}
		if (validate_required(email,"E-mail Address is Required")==false) {
			email.focus();
			return false;
		}
		if (validate_email(email,"E-mail Address is Invalid")==false) {
			email.focus();
			return false;
		}
	}
}