var xmlHttp

function showHint(str)
{
if (str.length==0)
  { 
  document.getElementById("txtHint").innerHTML=""
  return
  }
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
  {
  alert ("Browser does not support HTTP Request")
  return
  } 
	var url="http://www.usknife.com/users/checkuser.php"
url=url+"?q="+str
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
} 

function validatePasswords(balls,shaft)
{
if (balls.length==0 && shaft.length==0)
  { 
  document.getElementById("userpassword").innerHTML=""
  return
  }
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
  {
  alert ("Browser does not support HTTP Request")
  return
  } 
var url="http://www.usknife.com/users/checkpassword.php"
url=url+"?q="+balls
url=url+"&p="+shaft
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged2 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
} 

function validateEmail(str)
{
if (str.length==0)
  { 
  document.getElementById("validemail").innerHTML=""
  return
  }
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
  {
  alert ("Browser does not support HTTP Request")
  return
  } 
	var url="http://www.usknife.com/users/checkemail.php"
url=url+"?q="+str
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged3 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
} 
// This Function creats different XMLHTTP objects for different browsers

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;
}

//  The stateChanged() function executes every time the state of the XMLHTTP object changes
//  We are looking for 4 which means complete
function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
}
}
function stateChanged2() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("userpassword").innerHTML=xmlHttp.responseText;
}
}
function stateChanged3() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("validemail").innerHTML=xmlHttp.responseText;
}
}