function regCheck (theForm) {



var checkOK = "<>?/\{}[]()*@!=+%#";
var checkStr = theForm.Name.value;
for (i = 0;  i < checkStr.length;  i++)
{
ch = checkStr.charAt(i);
for (j = 0;  j < checkOK.length;  j++)
if (ch == checkOK.charAt(j))
{
alert("You have entered invalid characters in the \"Name\" field.");
theForm.Name.focus();
return (false);
}
}
if ((theForm.Name.value == '')  || (theForm.Name.value == '0') || (theForm.Name.value < '0')) {
     alert('Please enter your Name');
        return false;
}









if ((theForm.Email.value == '')  || (theForm.Email.value == '0') || (theForm.Email.value < '0')) {
     alert('Please enter your Email Address');
        return false;
}

if (theForm.Email.value != '') {


var EmailPat=/^(.+)@(.+)$/
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
var validChars="\[^\\s" + specialChars + "\]"
var quotedUser="(\"[^\"]*\")"
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
var atom=validChars + '+'
var word="(" + atom + "|" + quotedUser + ")"
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
var matchArray=theForm.Email.value.match(EmailPat)

if (matchArray==null) {
	alert("Email address seems incorrect (check @ and .'s)")
	return false
}
var user=matchArray[1]
var domain=matchArray[2]
if (user.match(userPat)==null) {
    alert("The username doesn't seem to be valid.")
    return false
}
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
	        alert("Destination IP address is invalid!")
		return false
	    }
    }
    return true
}
var domainArray=domain.match(domainPat)
if (domainArray==null) {
	alert("The domain name doesn't seem to be valid.")
    return false
}
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>3) {
   alert("The address must end in a three-letter domain, or two letter country.")
   return false
}
if (len<2) {
   var errStr="This address is missing a hostname!"
   alert(errStr)
   return false
}
}








var checkOK = "<>?/\{}[]*'@!=+&%";
var checkStr = theForm.Company.value;
for (i = 0;  i < checkStr.length;  i++)
{
ch = checkStr.charAt(i);
for (j = 0;  j < checkOK.length;  j++)
if (ch == checkOK.charAt(j))
{
alert("You have entered invalid characters in the \"Company\" field.");
theForm.Company.focus();
return (false);
}
}

if ((theForm.Company.value == '')  || (theForm.Company.value == '0') || (theForm.Company.value < '0')) {
     alert('Please enter your Company');
        return false;
}














return true;
}