function chk()
{
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
     {
alert ("Browser does not support HTTP Request");
return
     } 
//var str="mail.php?";
//var url=str +"&m"+ Math.random();
var fname="";
var cname="";
var cno="";
var email="";
var msg="";

fname=document.frm.fname.value;
cname==document.frm.cname.value;
email=document.frm.cno.value;
phone=document.frm.email.value;
day=document.frm.msg.value;


var str = "fname="+fname+"&cname="+cname+"&cno="+cno+"&email="+email+"&msg="+msg;

str="mail.php?" + str;
var url=str +"&m"+ Math.random();
xmlHttp.onreadystatechange=chkstateChanged ;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);

}
function chkstateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
//alert(xmlHttp.responseText);
document.getElementById("frm").innerHTML='Thanks for Submitting';
} 
else
{
document.getElementById("frm").innerHTML='Sending....' ;
}
} 
///////////////////////////////
////general function
function GetXmlHttpObject()
{ 
var objXMLHttp=null;
if (window.XMLHttpRequest)
{
objXMLHttp=new XMLHttpRequest();
}
else if (window.ActiveXObject)
{
objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
return objXMLHttp;
}