var xmlHttp=GetXmlHttpObject();
function chkpromo(str)
{
	
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
  	{
  		alert ("Your browser does not support AJAX!");
  		return;
  	} 
	var url="getpromocode.php";
	url=url+"?q="+str;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	//setTimeout(showCustomer(),5000);
	
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4)
	{ 
		if (xmlHttp.status==200)
		{
			var cc=xmlHttp.responseText;
			//document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
			if (cc==1)
			{
				alert("Invalid Promo Code");
				document.signfrm.promo_code.value='';
				document.getElementById("txtHint").innerHTML="";
			}
			else if (cc==2)
			{
				alert("Promo Code Not Active");
				document.getElementById("txtHint").innerHTML="";
			}
			else if (cc==3)
			{
				alert("Promo Code Expired");
				document.getElementById("txtHint").innerHTML="";
			}
			else if (cc==5)
			{
				document.getElementById("txtHint").innerHTML="Promotional Code Correct";
				document.signfrm.submit();
			}
			
			
		}
		else
		{
			alert("Problem:" +xmlHttp.statusText);
		}
	}
}
//------------------------------------------------
/*function chkema(a)
{
	xmlHttp=GetxmlHttpObject();
	var ema= a; 
	
	if (xmlHttp==null)
  	{
  		alert ("Your browser does not support AJAX!");
  		return;
  	} 
	var url="getemail.php";
	url=url+"?em="+ema;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChangedemail;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	//setTimeout(showCustomer(),5000);
	
}*/
function check_mail(ema){
	// xmlHttp=GetxmlHttpObject();
	 if (xmlHttp==null)
  	{
  		alert ("Your browser does not support AJAX!");
  		return;
  	} 
	var url="getemail.php";
	url=url+"?em="+ema;
	url=url+"&sid="+Math.random();
	xmlHttp.open("GET",url,true);
	xmlHttp.onreadystatechange=stateChangedemail_test;
	
	xmlHttp.send(null);
	 
	}
function stateChangedemail_test() 
{ 	
	if (xmlHttp.readyState==4)
	{ 
		if (xmlHttp.status==200)
		{
			var ce=xmlHttp.responseText;
			//document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
			if (ce==1)
			{
			 	document.signfrm.email.value='';
				document.signfrm.cemail.value='';
				document.signfrm.email.focus();
				document.getElementById("txtHint").value="Invalid Email";
				alert("This email address has been used previously.\n Please use another email address or contact Customer Service for help.\nThank you.");
			}
			else
			{
				document.getElementById("txtHint").value="Valid Email";
			}
			
		//document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
		}
		else
		{
			alert("Problem:" +xmlHttp.statusText);
		}
	}
}

//----------------------------------------------------------------------------------




function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}