function remove_XS_whitespace(item)
{
  var tmp = "";
  var item_length = item.value.length;
  var item_length_minus_1 = item.value.length - 1;
  for (index = 0; index < item_length; index++)
  {
    if (item.value.charAt(index) != ' ')
    {
      tmp += item.value.charAt(index);
    }
    else
    {
      if (tmp.length > 0)
      {
        if (item.value.charAt(index+1) != ' ' && index != item_length_minus_1)
        {
          tmp += item.value.charAt(index);
        }
      }
    }
  }
  item.value = tmp;
}
function checkrequired(which)
{
var pass=true;
    if (document.images)
        {
        for (i=0;i<which.length;i++)
             {
                var tempobj=which.elements[i];
                if(tempobj.type=="text"||tempobj.type=="textarea")
                    {
	                remove_XS_whitespace(tempobj);
                    }

if (tempobj.name.substring(0,8)=="required") {
if (((tempobj.type=="text"||tempobj.type=="textarea") && tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s" && tempobj.selectedIndex==0)) {
	pass=false;
	break;
         }
      }
   }
}
if (!pass) {
	shortFieldName=tempobj.name.substring(8,30).toUpperCase();
	alert("Please make sure all the fields and code are properly completed.");
	tempobj.focus();
	return false;
}
else

	if(emailCheck(which.elements['requiredEmail'].value))
	{
		return true;
	}
	else
	{
		return false;
	}
	    
	   }


function emailCheck (emailStr) {
var checkTLD=1;
var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
var emailPat=/^(.+)@(.+)$/;
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 +")*$");
var matchArray=emailStr.match(emailPat);
if (matchArray==null) {
alert("Email address seems incorrect (check @ and .'s)");
return false;
}
var user=matchArray[1];
var domain=matchArray[2];
for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert("Ths username contains invalid characters.");
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert("Ths domain name contains invalid characters.");
return false;
   }
}
if (user.match(userPat)==null) {
alert("The username doesn't seem to be valid.");
return false;
}
var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {
for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Destination IP address is invalid!");
return false;
   }
}
return true;
}
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
alert("The domain name does not seem to be valid.");
return false;
   }
}
if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert("The address must end in a well-known domain or two letter " + "country.");
return false;
}
if (len<2) {
alert("This address is missing a hostname!");
return false;
}
return true;
}