function checkFields() {
missinginfo = "";
if (document.form.sirname.value == "") {
missinginfo += "\n     -  Your surname";
}
if (document.form.firstname.value == "") {
missinginfo += "\n     -  Your firstname";
}
if(document.form.tel_uk.value == "(0)") {
missinginfo += "\n     -  Telephone number in UK";
}
if(document.form.tel_japan.value == "(0)") {
missinginfo += "\n     -  Telephone number in Japan";
}
if ((document.form.mail.value == "") || 
(document.form.mail.value.indexOf('@') == -1) || 
(document.form.mail.value.indexOf('.') == -1)) {
missinginfo += "\n     -  Email address";
}
if(document.form.address.value == "") {
missinginfo += "\n     -  Address";
}

if (missinginfo != "") {
missinginfo ="The following data is required" +
missinginfo + "\n" +
"\nPlease check again";
alert(missinginfo);
return false;
}
else return true;
}

/*Return Key Disabled*/

function checkCR(evt) {

    var evt  = (evt) ? evt : ((event) ? event : null);

    var node = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);

    if ((evt.keyCode == 13) && (node.type=="text")) {return false;}

  }

  document.onkeypress = checkCR;
  
/*Open Window*/
function openWin(n) {
  getWin = window.open(n+'.htm','','height=510,width=350,resizable,left=10,top=10')  
}