var scriptName = "voxant_player.js";
var voxant_scripts = document.getElementsByTagName('script');
var voxant_playerScript = voxant_scripts[voxant_scripts.length - 1];
var voxant_queryString = voxant_playerScript.src.replace(/^[^\?]+\??/,'');
var hostname = null;
var parentURL = null;
var voxant_scriptLocation = voxant_playerScript.src.split("?")[0];

voxant_scriptLocation = voxant_scriptLocation.substr(0, voxant_scriptLocation.length - scriptName.length);

function getUrlParams(concatString,paramName,targetUrl){
                var
                    name = paramName.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]"),
                    regexS = "[\\?&]" + name + "=([^&#]*)",
                    regex = new RegExp(regexS,'i'),
                    results = regex.exec(targetUrl);

                if (results == null) {
                    return '';
                }
                else {
                    return concatString + results[1];
                }
          }

// Required Parameters
try{
        // try to get the hostname and url
        hostname = "\',\'host\':\'" + window.parent.window.document.location.hostname;
        parentURL = "\',\'u\':\'"   + parent.document.URL;
} catch(e) {
        // but, if inside an iframe, then get from the iframe
        hostname = "\',\'host\':\'" + window.location.hostname;
        parentURL = "\',\'u\':\'"   + window.document.URL;
};

var jsEmbed =  getUrlParams("","m",voxant_playerScript.src);
var jsAsset =  getUrlParams("","a",voxant_playerScript.src);
var jsHeight = getUrlParams("","h",voxant_playerScript.src);
var jsWidth =  getUrlParams("","w",voxant_playerScript.src);
var newW = Number(jsWidth)+1;
var newH = Number(jsHeight)+1;

// Optional Parameters (Use function to "erase" if not present)
var urlAssetId = getUrlParams("\',\'assetId\':\'"   ,"assetId", parentURL);
var jsSkin =     getUrlParams("\',\'skin\':\'"      ,"skin",    voxant_playerScript.src);
var jsTint =     getUrlParams("\',\'tint\':\'"      ,"tint",    voxant_playerScript.src);
var jsBorder =   getUrlParams("\',\'border\':\'"    ,"border",  voxant_playerScript.src);
var jsAutoMash = getUrlParams("\',\'autoMash\':\'"  ,"autoMash",voxant_playerScript.src);
var jsVersion =  getUrlParams("\',\'version\':\'"   ,"version", voxant_playerScript.src);

// Build JSON string and iframe request
var tnrJSON = "tnrParams={"+"\'qstr\':\'"+voxant_queryString
                                +jsSkin
                                +jsTint
                                +jsBorder
                                +jsAutoMash
                                +urlAssetId
                                +jsVersion
                                +hostname
                                +parentURL
                                +"\'}";

var docStr = "<iframe name='voxIframe_"+jsAsset
+"' id='voxIframe_"+jsAsset+" frameBorder='0' frameborder='no' allowtransparency='true'"
+"' scrolling='no' style='border:0px;width:"+newW+"px;height:"+newH+"px;"
+"' src=\""+voxant_scriptLocation+"voxant_embed.html?"+tnrJSON+"\"></iframe>";
document.write(docStr);