function showUserEmail(str)
{

if (str=="")
  {
  document.getElementById("userAvalEmail").innerHTML="";
  return;
  } 
if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else
  {// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
	var response = xmlhttp.responseText;
	//alert(response); return false;
	if(response==1){
		document.getElementById("email").value = '';
    	document.getElementById("userAvalEmail").innerHTML='<font color="#FF0000">Email Already Registered</font>';
		document.getElementById("email").focus() ;
	}
	if(response==0){
		document.getElementById("userAvalEmail").innerHTML='<font class="request">Email Available</font>';
	}
    }
  }
xmlhttp.open("GET","getuserEmail.php?q="+str,true);
xmlhttp.send();
}
//ajax call for black book history
function showBlackbook(str)
{
//alert(str);return false;
if (str=="")
  {
  document.getElementById("userAvalEmail").innerHTML="";
  return;
  } 
if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else
  {// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
	var response = xmlhttp.responseText;
	//alert(response); return false;
	if(response==1){
		alert('This profile is alresdy added into your black book');
	}
	if(response==0){
		alert('Profile has been added to your black book');
	}
    }
  }
xmlhttp.open("GET","setBlackBook.php?id="+str,true);
xmlhttp.send();
}