var attachto='fid=16742';
var fieldname='lead_answer9';
URL=window.location.search.toLowerCase();
URL=URL.split('&');
URL[0]=URL[0].substr(1,URL[0].length);

for(x=0;x<URL.length;x++){
	if(URL[x].search('ref=') != -1){
		refname=URL[x].split('=');
		if(document.getElementById(fieldname))	document.getElementById(fieldname).value=refname[1];		
	
	
		for (i=0;i<document.links.length;i++){
			if(document.links[i].href.search(attachto) != -1)	document.links[i].href+='&ref='+refname[1];
		}
		break;
	}
}