function searchbooks()
{ 
    var xhr; 
    try {  xhr = new ActiveXObject('Msxml2.XMLHTTP');   }
    catch (e) 
    {
        try {   xhr = new ActiveXObject('Microsoft.XMLHTTP');    }
        catch (e2) 
        {
          try {  xhr = new XMLHttpRequest();     }
          catch (e3) {  xhr = false;   }
        }
     }

    xhr.onreadystatechange  = function()
    { 
     	if(xhr.readyState == 2 || xhr.readyState == 3)
     	{
			if(xhr.status  == 200) {
                 	document.getElementById("searchresults").innerHTML = "Loading Results"; 
             } else { 
                	document.getElementById("searchresults").innerHTML = "Error code " + xhr.status;
             }
		}
		
        if(xhr.readyState  == 4)
        {
             if(xhr.status  == 200) {
                 document.getElementById("searchresults").innerHTML = xhr.responseText; 
             } else { 
                document.getElementById("searchresults").innerHTML = "Error code " + xhr.status;
            }
        }
    }; 
	s = document.getElementById("searchbooks").value
	
	searchtype = document.getElementById("type")
	typeval = searchtype.options[searchtype.selectedIndex].value
	fileline = "/pages/sell/booksearch.php?s=" + s + "&type=" + typeval
   	xhr.open("GET", fileline,  true); 
   	xhr.send(null); 

}