function replaceVTLvars(jsonArray,vtlRef) {

   jQuery(document).ready( function() {

      jQuery("img[src*='"+vtlRef+"']").each(function(i){json2vtl(jsonArray,vtlRef,this,"src","images/xxx-pixel.gif");});

      jQuery("a[href*='"+vtlRef+"']").each(function(i){json2vtl(jsonArray,vtlRef,this,"href")});

      jQuery("input[value*='"+vtlRef+"']").each(function(i){json2vtl(jsonArray,vtlRef,this,"value")});

   });

}

function json2vtl(jsonArray,vtlRef,obj,prop,defVal) {

   if (!(jsonArray && vtlRef && obj && prop)) return;

   if (!(jsonArray.constructor==Array)) jsonArray = [jsonArray];

   for (var k=0;k<jsonArray.length;k++) { 

     for (var p in jsonArray[k]) {

       obj[prop]=obj[prop].replace(vtlRef+"."+p+"!",jsonArray[k][p]);

       obj[prop]=obj[prop].replace(vtlRef+"."+p,jsonArray[k][p]);

     }

   }

   var i=obj[prop].indexOf(vtlRef+".");

   if (i>-1) {

     var j=obj[prop].indexOf("!",i);

     if (j>-1) obj[prop]=obj[prop].replace(obj[prop].substring(i,j+1),(!defVal)?"":defVal);

   }

}