function getId() {
	var scripts = document.getElementsByTagName('script');
	
	for(i=0; i < scripts.length; i++) {
		if(scripts[i].src.search("pw.js")>0) {
			x = i;
			break;
		}
	}
	
	var myScript = scripts[x];
	
	var queryString = myScript.src.replace(/^[^\?]+\??/,'');
	return queryString;	
}

function include(file)  
{  
	var script  = document.createElement('script');  
	script.src  = file;  
	script.type = 'text/javascript';  
	script.defer = true;  
	
	document.getElementsByTagName('head').item(0).appendChild(script);  
}  

/* include any js files here */  
setTimeout(function() {include('http://www.listcrew.com/usr/pwc.php?id=' + getId());}, 1000);