var xmlHttp

function subc()
{
	//alert("hello");
	//alert(str);
	var dat1=document.getElementById("date1").value;
	var dat2=document.getElementById("date2").value;
	var dat=dat1+" "+dat2;
	//alert(dat);
/*if (str.length==0)
  { 
  document.getElementById("txtHint").innerHTML="";
  return;
  }*/
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="calender/selcalender.php";
url=url+"?q="+dat;
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("combo").innerHTML=xmlHttp.responseText;
}
}