var already_cleared_text = false;
function clear_text()
{
	if (already_cleared_text == false)
	{
		var question_text = document.getElementById("question");
		question_text.value="";
		question_text.style.color='#000000';
		question_text.fontStyle='normal';
		question_text.style.fontWeight ='bold';
		
	}
	already_cleared_text = true;
}
function send_question()
{
	document.getElementById("AskTD").style.display="none";
	document.getElementById("question_response").style.display="inline";
	var question = document.getElementById("question").value;

	var xmlhttp;
	if (window.XMLHttpRequest)
	  {
	  // code for IE7+, Firefox, Chrome, Opera, Safari
	  xmlhttp=new XMLHttpRequest();
	  }
	else if (window.ActiveXObject)
	  {
	  // code for IE6, IE5
	  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	  }
	else
	  {
	  alert("Your browser does not support XMLHTTP!");
	  }
	
	xmlhttp.onreadystatechange=function()
	{
	if(xmlhttp.readyState==4)
	  {
	  document.getElementById("question_response").innerHTML="<br/>" + xmlhttp.responseText + "<br/>";
	  }
	}
	var params = "question=" + question;
	xmlhttp.open("POST","/main-includes/send_question.php",true);
	
	xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlhttp.setRequestHeader("Content-length", params.length);
	xmlhttp.setRequestHeader("Connection", "close");
	xmlhttp.send(params);
	
}