function session_win() {
  window.open("<?php echo tep_href_link(FILENAME_INFO_SHOPPING_CART); ?>","info_shopping_cart","height=460,width=430,toolbar=no,statusbar=no,scrollbars=yes").focus();
}

var selected;

function selectRowEffect(object, buttonSelect) {
  if (!selected) {
    if (document.getElementById) {
      selected = document.getElementById('defaultSelected');
    } else {
      selected = document.all['defaultSelected'];
    }
  }

  if (selected) selected.className = 'moduleRow';
  object.className = 'moduleRowSelected';
  selected = object;

// one button is not an array
  if (document.checkout_address.shipping[0]) {
    document.checkout_address.shipping[buttonSelect].checked=true;
  } else {
    document.checkout_address.shipping.checked=true;
  }
}

function rowOverEffect(object) {
  if (object.className == 'moduleRow') object.className = 'moduleRowOver';
}

function rowOutEffect(object) {
  if (object.className == 'moduleRowOver') object.className = 'moduleRow';
}

function check_form() {
  var error_message = "<?php echo JS_ERROR; ?>";
  var error_found = false;
  var error_field;
  var keywords = document.advanced_search.keywords.value;
  var dfrom = document.advanced_search.dfrom.value;
  var dto = document.advanced_search.dto.value;
  var pfrom = document.advanced_search.pfrom.value;
  var pto = document.advanced_search.pto.value;
  var pfrom_float;
  var pto_float;

  if ( ((keywords == '') || (keywords.length < 1)) && ((dfrom == '') || (dfrom == '<?php echo DOB_FORMAT_STRING; ?>') || (dfrom.length < 1)) && ((dto == '') || (dto == '<?php echo DOB_FORMAT_STRING; ?>') || (dto.length < 1)) && ((pfrom == '') || (pfrom.length < 1)) && ((pto == '') || (pto.length < 1)) ) {
    error_message = error_message + "* <?php echo ERROR_AT_LEAST_ONE_INPUT; ?>\n";
    error_field = document.advanced_search.keywords;
    error_found = true;
  }

  if ((dfrom.length > 0) && (dfrom != '<?php echo DOB_FORMAT_STRING; ?>')) {
    if (!IsValidDate(dfrom, '<?php echo DOB_FORMAT_STRING; ?>')) {
      error_message = error_message + "* <?php echo ERROR_INVALID_FROM_DATE; ?>\n";
      error_field = document.advanced_search.dfrom;
      error_found = true;
    }
  }

  if ((dto.length > 0) && (dto != '<?php echo DOB_FORMAT_STRING; ?>')) {
    if (!IsValidDate(dto, '<?php echo DOB_FORMAT_STRING; ?>')) {
      error_message = error_message + "* <?php echo ERROR_INVALID_TO_DATE; ?>\n";
      error_field = document.advanced_search.dto;
      error_found = true;
    }
  }

  if ((dfrom.length > 0) && (dfrom != '<?php echo DOB_FORMAT_STRING; ?>') && (IsValidDate(dfrom, '<?php echo DOB_FORMAT_STRING; ?>')) && (dto.length > 0) && (dto != '<?php echo DOB_FORMAT_STRING; ?>') && (IsValidDate(dto, '<?php echo DOB_FORMAT_STRING; ?>'))) {
    if (!CheckDateRange(document.advanced_search.dfrom, document.advanced_search.dto)) {
      error_message = error_message + "* <?php echo ERROR_TO_DATE_LESS_THAN_FROM_DATE; ?>\n";
      error_field = document.advanced_search.dto;
      error_found = true;
    }
  }

  if (pfrom.length > 0) {
    pfrom_float = parseFloat(pfrom);
    if (isNaN(pfrom_float)) {
      error_message = error_message + "* <?php echo ERROR_PRICE_FROM_MUST_BE_NUM; ?>\n";
      error_field = document.advanced_search.pfrom;
      error_found = true;
    }
  } else {
    pfrom_float = 0;
  }

  if (pto.length > 0) {
    pto_float = parseFloat(pto);
    if (isNaN(pto_float)) {
      error_message = error_message + "* <?php echo ERROR_PRICE_TO_MUST_BE_NUM; ?>\n";
      error_field = document.advanced_search.pto;
      error_found = true;
    }
  } else {
    pto_float = 0;
  }

  if ( (pfrom.length > 0) && (pto.length > 0) ) {
    if ( (!isNaN(pfrom_float)) && (!isNaN(pto_float)) && (pto_float < pfrom_float) ) {
      error_message = error_message + "* <?php echo ERROR_PRICE_TO_LESS_THAN_PRICE_FROM; ?>\n";
      error_field = document.advanced_search.pto;
      error_found = true;
    }
  }

  if (error_found == true) {
    alert(error_message);
    error_field.focus();
    return false;
  } else {
    RemoveFormatString(document.advanced_search.dfrom, "<?php echo DOB_FORMAT_STRING; ?>");
    RemoveFormatString(document.advanced_search.dto, "<?php echo DOB_FORMAT_STRING; ?>");
    return true;
  }
}

function popupWindow(url) {
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=450,height=280,screenX=150,screenY=150,top=150,left=150')
}

function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

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 CheckRequiredFields() {

var errormessage = new String();

if(WithoutContent(document.callback.name.value))
	{ errormessage += "\n\nPlease give us your name."; }

if(WithoutContent(document.callback.telephone.value))
	{ errormessage += "\n\nPlease give us your telephone number."; }

if(WithoutContent(document.callback.telephonec.value))
	{ errormessage += "\n\nPlease confirm your telephone number."; }

if(document.callback.telephone.value !== document.callback.telephonec.value)
	{ errormessage += "\n\nPlease check that your telephone number and confirmation matches."; }

// Put field checks above this point.
if(errormessage.length > 2) {
	alert('Callback Request:' + errormessage);
	return false;
}
return true;
document.callback.submit();
} // end of function CheckRequiredFields()


function WithoutContent(ss) {
if(ss.length > 0) { return false; }
return true;
}

function grayOut(vis, options) {
  // Pass true to gray out screen, false to ungray
  // options are optional.  This is a JSON object with the following (optional) properties
  // opacity:0-100         // Lower number = less grayout higher = more of a blackout 
  // zindex: #             // HTML elements with a higher zindex appear on top of the gray out
  // bgcolor: (#xxxxxx)    // Standard RGB Hex color code
  // grayOut(true, {'zindex':'50', 'bgcolor':'#0000FF', 'opacity':'70'});
  // Because options is JSON opacity/zindex/bgcolor are all optional and can appear
  // in any order.  Pass only the properties you need to set.
  var options = options || {}; 
  var zindex = options.zindex || 50;
  var opacity = options.opacity || 70;
  var opaque = (opacity / 100);
  var bgcolor = options.bgcolor || '#000000';
  var dark=document.getElementById('darkenScreenObject');
  if (!dark) {
    // The dark layer doesn't exist, it's never been created.  So we'll
    // create it here and apply some basic styles.
    // If you are getting errors in IE see: http://support.microsoft.com/default.aspx/kb/927917
    var tbody = document.getElementsByTagName("body")[0];
    var tnode = document.createElement('div');           // Create the layer.
        tnode.style.position='absolute';                 // Position absolutely
        tnode.style.top='0px';                           // In the top
        tnode.style.left='0px';                          // Left corner of the page
        tnode.style.overflow='hidden';                   // Try to avoid making scroll bars            
        tnode.style.display='none';                      // Start out Hidden
        tnode.id='darkenScreenObject';                   // Name it so we can find it later
    tbody.appendChild(tnode);                            // Add it to the web page
    dark=document.getElementById('darkenScreenObject');  // Get the object.
  }
  if (vis) {
    // Calculate the page width and height 
    if( document.body && ( document.body.scrollWidth || document.body.scrollHeight ) ) {
        var pageWidth = document.body.scrollWidth+'px';
        var pageHeight = document.body.scrollHeight+'px';
    } else if( document.body.offsetWidth ) {
      var pageWidth = document.body.offsetWidth+'px';
      var pageHeight = document.body.offsetHeight+'px';
    } else {
       var pageWidth='100%';
       var pageHeight='100%';
    }   
    //set the shader to cover the entire page and make it visible.
    dark.style.opacity=opaque;                      
    dark.style.MozOpacity=opaque;                   
    dark.style.filter='alpha(opacity='+opacity+')'; 
    dark.style.zIndex=zindex;        
    dark.style.backgroundColor=bgcolor;  
    dark.style.width= pageWidth;
    dark.style.height= pageHeight;
    dark.style.display='block';                          
  } else {
     dark.style.display='none';
  }
}