function go_click(go_url)
 {
  newWin=void(window.open(go_url,'newWin','status=1,scrollbars=1,width=800,height=600,top=0,left=0, menubar=1, toolbar=1, resizable=1, status=1, location=1,  '));
 }
function change(where)
{
old_src=where.src;
new_src=old_src.substring(old_src.length-3,0)+"Roll.png";
where.src=new_src;
}
function change_back(where)
{
old_src=where.src;
new_src=old_src.substring(old_src.length-8,0)+"png";
where.src=new_src;
}  

  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];}}
  }
 
  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_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 replaceMainImg(newSrc)
{
mainImg=document.getElementById("mainImageClassified");
mainImg.attributes['src'].value=newSrc;
}

function submitListing()
{
opener.document.listing.submit();
window.close();
}
 
function editListing()
{
window.opener.focus();
window.close();
}

function show_terms()  {
  window.open("/terms-of-use","_blank","toolbar=yes, location=yes, directories=no, status=no, menubar=yes, scrollbars=yes, resizable=no, copyhistory=yes, width=400, height=400")
}
function go_preview() {
  if(_CF_checklisting(document.listing)) {
    old_action=document.listing.action;
    old_target=document.listing.target;
    document.listing.target="_blank";
    document.listing.action=document.listing.action+"&preview=1";
    document.listing.submit();
    document.listing.action=old_action;
    document.listing.target=old_target;
  }
}
  //Form Validation Starts Here

  // Force only numbers for credit card
  var validChars = /[$\\@\\\/\?\.\,\ \:\;\'\"\<\>\!\#%\^\&\*\(\)\[\]\+\-\_\{\}\`\~\=\|abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ]/;

  function checkCardnumber(val) {
    var strPass = val.value;
    var strLength = strPass.length;
    var lchar = val.value.charAt((strLength) - 1);
    if(lchar.search(validChars) != -1) {
      var tst = val.value.substring(0, (strLength) - 1);
      val.value = tst;
    }
  }

  // Force only numbers or decimal for payment amount
  var nonvalidChars = /[$\\@\\\/\?\\,\ \:\;\'\"\<\>\!\#%\^\&\*\(\)\[\]\+\-\_\{\}\`\~\=\|abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ]/;

  function checkDollarnumber(val) {
    var strPass = val.value;
    var strLength = strPass.length;
    var lchar = val.value.charAt((strLength) - 1);
    if(lchar.search(nonvalidChars) != -1) {
      var tst = val.value.substring(0, (strLength) - 1);
      val.value = tst;
    }
  }

  // Check for null and for empty
  function isFilled(elm) {
      if (elm.value == '' ||
          elm.value == null)
      return false;
      else return true;
  }

  // Check for email address: look for [@] and [.]
  function isEmail(elm) {
      if (elm.value.indexOf('@') + '' != '-1' &&
          elm.value.indexOf('.') + '' != '-1' &&
          elm.value != '')
      return true;
      else return false;
  }

  function isReady(form) {

      if (isFilled(form.first_name) == false) {
        alert('[ALERT]\n\nPlease enter your first name.');
        form.first_name.focus();
        return false;
      }
    
    if (isFilled(form.last_name) == false) {
        alert('[ALERT]\n\nPlease enter your last name.');
        form.last_name.focus();
        return false;
      }
    
      if (isEmail(form.email) == false) {
        alert('[ALERT]\n\nPlease enter a valid email address.');
        form.email.focus();
        return false;
      }

      if (isFilled(form.company) == false) {
        alert('[ALERT]\n\nPlease enter your company name.');
        form.company.focus();
        return false;
      }
    
    if (isFilled(form.amount) == false) {
      alert('[ALERT]\n\nPlease enter your payment Amount.');
      form.amount.focus();
        return false;
      }

    if (isNaN(mailform.amount.value)) {
      alert('[ALERT]\n\nPlease use numbers only in the payment Amount field.');
      form.amount.focus();
        return false;
      }

  return true;
  }