function loadIframe(){
 var ptc = document.getElementById('ptc').value;
 var server = document.getElementById('server').value;
 setCookie('referer',document.location.href,null,'/'+server+'/');
 setCookie('server',server,null,'/'+server+'/');
 setCookie('ptc',ptc,null,'/'+server+'/');
 document.getElementById('iFrame_buyNow').src = "/"+server+"/ec-1.htm";
}