var vsr_show_smart_button = false;
 var vsr_sku='';
 var vsr_button_url='';
 var vsr_button_text='';

 // These are optional
 var vsr_shopping_cart='';
 var vsr_price='';
 var vsr_stock='';
 var vsr_call_back='';

 function show_vsr_button()
 {
 var sButtonOrTxt = '';
 
 	if(! isNotDefined(vsr_button_url))
 		sButtonOrTxt = '<img src="'+ vsr_button_url +'" border=0>';
 	else if(! isNotDefined(vsr_button_text))
 		sButtonOrTxt = vsr_button_text;
 
   if(vsr_show_smart_button)
	    document.writeln('<a href="javascript:openTentoeVsrWin()">'+ sButtonOrTxt +'</a>');
 }

 function openTentoeVsrWin()
{
  var vsr_server = 'syndicate.sellpoint.net';
  var ttpid = 'TTPID-1AE0-3431'
  
	 var sVsrParams = 'ttpid='+ ttpid
	  + appendToUrl('vsr_sku', vsr_sku)
		+ appendToUrl('vsr_price', vsr_price)
		+ appendToUrl('vsr_stock', vsr_stock)
		+ appendToUrl('vsr_shopping_cart', vsr_shopping_cart)
		+ appendToUrl('vsr_call_back', vsr_call_back);

	var sLink = 'http://'+ vsr_server +'/Syndicate/SynMaster?'+ sVsrParams +'&ParentUrl=' + escape(window.location.href);
	window.open(sLink,'_blank', 'width=536,height=525,scrollbars=no,toolbar=no,personalbar=no,statusbar=no,directories=no,location=no,resizable=no,menubar=no,locationbar=no');
}

function appendToUrl(sName, sValue)
{
	return isNotDefined(sValue) ? '' : ('&'+ sName +'=' + escape(sValue));
}

function isNotDefined(sValue)
{
	if(sValue == null || typeof(sValue) == 'undefined' || trimString(sValue).length == 0)
		return true;
	
	return false;
}

function trimString(sString)
{
	return sString.replace(/^\s*|\s*$/g,'');
}