function checkNum(field) {
	var valid = "0123456789"
	var ok = "yes";
	var temp;
	for (var i=0; i<field.value.length; i++) {
	temp = "" + field.value.substring(i, i+1);
	if (valid.indexOf(temp) == "-1") ok = "no";
	}
	if (ok == "no") {
	alert("Only numbers are accepted!");
	field.focus();
	field.select();
	}
}

function build_it(form) {

form.print_out.value='';

    if (form.field5.value != "") {
      form.print_out.value="<\!\-\- keywords\: "  +
      form.field5.value + " \-\->\n\n";
    }
    if (form.field1.value != "") {
      form.print_out.value +='<TITLE>' +
      form.field1.value + "</TITLE>\n";
    }
    if (form.field2.value != "") {
      form.print_out.value +="<META NAME=\"AUTHOR\" CONTENT=\"" +
      form.field2.value + "\">\n";
    }
    if (form.field9.value != "") {
      form.print_out.value +="<META NAME=\"OWNER\" CONTENT=\"" +
      form.field9.value + "\">\n";
    }
    if (form.field3.value != "") {
      form.print_out.value +="<META NAME=\"SUBJECT\" CONTENT=\"" +
      form.field3.value + "\">\n";
    }
    if (form.field11.value != "") {
      form.print_out.value +="<META NAME=\"RATING\" CONTENT=\"" +
      form.field11.value + "\">\n";
    }
    if (form.field4.value != "") {
      form.print_out.value +="<META NAME=\"DESCRIPTION\" CONTENT=\"" +
      form.field4.value + "\">\n";
    }
    if (form.field4.value != "") {
      form.print_out.value +="<META NAME=\"ABSTRACT\" CONTENT=\"" +
      form.field4.value + "\">\n";
    }
    if (form.field5.value != "") {
      form.print_out.value +="<META NAME=\"KEYWORDS\" CONTENT=\"" +
      form.field5.value + "\">\n";
    }
    if (form.field6.value != "") {
      form.print_out.value +="<META NAME=\"REVISIT-AFTER\" CONTENT=\"" +
      form.field6.value + " DAYS\">\n";
    }
    				 {
      form.print_out.value +="<META NAME=\"GENERATOR\" CONTENT=\"www\.full-referencement\.com\">\n";
    }
    if (form.field7.value != "") {
      form.print_out.value +="<META NAME=\"LANGUAGE\" CONTENT=\"" +
      form.field7.value + "\">\n";
    }
    if (form.field8.value != "") {
      form.print_out.value +="<META NAME=\"COPYRIGHT\" CONTENT=\"" +
      form.field8.value + "\">\n";
    }
    if (form.field10.value != "") {
      form.print_out.value +="<META NAME=\"ROBOTS\" CONTENT=\"" +
      form.field10.options[form.field10.selectedIndex].value + "\">\n";
    }
    if (form.field12.checked) {
      form.print_out.value +="<META HTTP-EQUIV=\"PRAGMA\" CONTENT=\"NO-CHACHE\">\n";
    }
    if (form.field13.value != "") {
      form.print_out.value +="<META HTTP-EQUIV=\"REFRESH\" CONTENT=\"" +
      form.field13.options[form.field13.selectedIndex].value + "\">\n";
    }
}