var req;

function loadXMLDoc(url) 
{
    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
        req.onreadystatechange = processReqChange;
        req.open("GET", url, true);
        req.send(null);
    // branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
            req.onreadystatechange = processReqChange;
            req.open("GET", url, true);
            req.send();
        }
    }
}


function processReqChange() 
{
    // only if req shows "complete"
    if (req.readyState == 4) {
        // only if "OK"
        if (req.status == 200) {
            // ...processing statements go here...
      response  = req.responseXML.documentElement;
      total = response.getElementsByTagName('total')[0].firstChild.data;
      resultbox=document.getElementById('results');
		 resultbox.firstChild.nodeValue=total+" Results";			

      }
    }
}


function get_results_forsale()
{
	  pprice=document.getElementById('pform1');
	  price=pprice.value;

	  ptype=document.getElementById('pform2');
	  thetype=ptype.value;		

	  pbed=document.getElementById('pform4');
	  beds=pbed.value;
	    
    url  = ROOTURL+'get_results_forsale.php?price='+price+'&type='+thetype+'&bedrooms='+beds;
    loadXMLDoc(url);

}