function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

MM_preloadImages('/images/navbar_r1_c1_f2.gif','/images/navbar_r1_c2_f2.gif','/images/navbar_r1_c3_f2.gif','/images/navbar_r1_c4_f2.gif','/images/navbar_r1_c5_f2.gif','/images/navbar_r1_c6_f2.gif');

function checkvalue(buttonvalue) {
                        clearResults();
                        if (buttonvalue.value == 'y') {
                                document.getElementById('pass2').style.display='';
                        }
                        else {
                                document.getElementById ('pass2').style.display='none';
                        }
                }

                function validate_login(thisForm) {
                        clearResults();


                        // validate form
                        if (thisForm.uname.value == '') {
                                document.getElementById('uname_error').innerHTML = "Please provide your Log-In.";
                                thisForm.uname.focus();
                                return false;
                        } else if (thisForm.passwd.value == '') {
                                document.getElementById('passwd_error').innerHTML = "Please provide your Password.";
                                thisForm.passwd.focus();
                                return false;
                        } else if (document.getElementById('pass2').style.display != 'none') {
                                if (thisForm.passwd2.value == '') {
                                        document.getElementById('passwd2_error').innerHTML = "Please verify your Password.";
                                        thisForm.passwd2.focus();
                                        return false;
                                }
                        }

                        return true;
                }

                function clearResults() {
                        // clear results
                        document.getElementById('uname_error').innerHTML = '';
                        document.getElementById('passwd_error').innerHTML = '';
                        document.getElementById('passwd2_error').innerHTML = '';
                }

                function checkUsername(uname) {
                        document.getElementById('check_result').innerHTML = ' ';

                        var path = '/cgi-bin/vacation-rentals/signup.cgi';
                        var query_string = '';
                        query_string  = "uname=" + uname;
                        query_string += "&checkUsername=1";

                        // send request
                        sndReq(path, query_string, checkUsernameResponse);
                }

                function checkUsernameResponse(response) {
                        if (response != '')
                                document.getElementById('check_result').innerHTML = response;
                }