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];}}
}
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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}
function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}
function swap_rollover_state() {
  var i,j=0,x,a=swap_rollover_state.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];}
}
// CPO Rollovers
function swap_rollover(id, newClass) {
		identity=MM_findObj(id);
		if(identity != null) { identity.className=newClass; }
}


// Setting the referrer cookie
var framesetQuery = window.top.location.search;
var productNameLink;

if (productNameLink = getParameter ( framesetQuery, 'ref' )) {
	expiresDate = new Date(2037, 0, 21, 1, 30, 00);         /* This will be my 53rd Birthday -n */
        setCookie("ref", productNameLink, expiresDate);
}


/**
 * Read about JavaScript cookies at:
 *   http://www.netspade.com/articles/javascript/cookies.xml
 */

/**
 * Sets a Cookie with the given name and value.
 *
 * name       Name of the cookie
 * value      Value of the cookie
 * [expires]  Expiration date of the cookie (default: end of current session)
 * [path]     Path where the cookie is valid (default: path of calling document)
 * [domain]   Domain where the cookie is valid
 *              (default: domain of calling document)
 * [secure]   Boolean value indicating if the cookie transmission requires a
 *              secure transmission
 */
function setCookie(name, value, expires, path, domain, secure)
{
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
function getCookie(name)
{
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

/**
 * Deletes the specified cookie.
 *
 * name      name of the cookie
 * [path]    path of the cookie (must be same as path used to create cookie)
 * [domain]  domain of the cookie (must be same as domain used to create cookie)
 */
function deleteCookie(name, path, domain)
{
    if (getCookie(name))
    {
        document.cookie = name + "=" + 
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

function getParameter ( queryString, parameterName ) {
	// Add "=" to the parameter name (i.e. parameterName=value)
	var parameterName = parameterName + "=";
	if ( queryString.length > 0 ) {
		// Find the beginning of the string
		begin = queryString.indexOf ( parameterName );
		// If the parameter name is not found, skip it, otherwise return the value
		if ( begin != -1 ) {
			// Add the length (integer) to the beginning
			begin += parameterName.length;
			// Multiple parameters are separated by the "&" sign
			end = queryString.indexOf ( "&" , begin );
			if ( end == -1 ) {
				end = queryString.length
			}	
		// Return the string
		return unescape ( queryString.substring ( begin, end ) );
		}
	// Return "null" if no parameter has been found
	return "null";
	}
}

// This function provides users to submit forms with 'ENTER" or 'RETURN' 
// instead of having to click submit
function submitenter(myfield,e)
{
 var keycode;
 if (window.event) keycode = window.event.keyCode;
 else if (e) keycode = e.which;
 else return true;

 if (keycode == 13) // the user hits enter
   {
   myfield.form.submit();
   return false;
   }
else
   return true;
}


function remove_sku_from_url(chk) {
  var sku = chk.value;
  var oldurl = document.URL;
  var regex  = new RegExp("c" + chk.value + "=" + chk.value + "\&{0,1}", "gi");
  var newurl = oldurl.replace(regex, '');
// alert(regex + "\n" + newurl);
  window.location = newurl;
  return newurl;  
}

// Popup Functions, from sitepoint
// TODO before this can be used it needs to be in 'writeover'
function PopupPic(sPicURL) {
     window.open( "<?lvar_root?>popup.html?"+sPicURL, "",
     "resizable=1,HEIGHT=200,WIDTH=200");
}

function FitPic() {
  var w = (NS)?window.innerWidth :document.body.clientWidth;
  var h = (NS)?window.innerHeight:document.body.clientHeight;
  var img = document.images[0];
  dW = img.width  - w;
  dH = img.height - h;
  window.resizeBy(dW, dH);

  // center the image
  w = (NS)?window.innerWidth :document.body.clientWidth;
  h = (NS)?window.innerHeight:document.body.clientHeight;
  img.style.position = "relative";
  img.style.top  = (h-img.height)/2+"px";
  img.style.left = (w-img.width)/2 +"px";
  self.focus();
}