function onEnter(evt) {
var keyCode = null;

if( evt.which ) {
 keyCode = evt.which;
} else if( evt.keyCode ) {
 keyCode = evt.keyCode;
}
if( 13 == keyCode ) {
 ajax('checkr.asp')
 //ajax('checkr.asp',1,function(v) { });
 return false;
}
 return true;
}


function ajax(u)
{ 
    var xhr; 
    try {  xhr = new ActiveXObject('Msxml2.XMLHTTP');   }
    catch (e) 
    {
        try {   xhr = new ActiveXObject('Microsoft.XMLHTTP');    }
        catch (e2) 
        {
          try {  xhr = new XMLHttpRequest();     }
          catch (e3) {  xhr = false;   }
        }
     }
  
    xhr.onreadystatechange  = function()
    { 
         if(xhr.readyState  == 4)
         {
              if(xhr.status  == 200)  {
		  document.getElementById("whoisResponse").innerHTML = xhr.responseText;
		  document.getElementById('ajaxLoader').style.display = 'none';
             }
         }
    }; 


   u = u + '?d=' + document.getElementById('d').value + '&nocache=' + Math.floor(Math.random()*9999); 
   document.getElementById('ajaxLoader').style.display = 'block';
   xhr.open('GET', u,  true); 
   xhr.send(null); 
} 



function cart(d,u,s,change) {

	u = u + '?d=' + d + '&nocache=' + Math.floor(Math.random()*9999); 

	var r=[function(){ return new XMLHttpRequest(); },
	       function(){ return new ActiveXObject("Msxml2.XMLHTTP"); },
	       function(){ return new ActiveXObject("Microsoft.XMLHTTP"); }];

	for(var i in r) { try { var v=r[i],q=v(); } catch(e) { continue; } }

	if (!q && typeof XMLHttpRequest != 'undefined') {
	   q = new XMLHttpRequest();
	}

	if(change) q.onreadystatechange=function(){ if(q.readyState==4 && q.status==200) change(q.responseText); };

	q.open('GET',u,s?1:0);
	q.send(null);

	document.getElementById("viewCart").innerHTML = q.responseText;

}