function regCheck (theForm) {

var checkOK = "<>?/\{}[]()*@!=+&%#";
var checkStr = theForm.keywords.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 \"Keywords\" field.");
theForm.keywords.focus();
return (false);
}
}
}