function submitSearchForm() {
		
    var getstr = "?";
	
	var form = document.getElementById('searchForm');
	
	// parse input boxes
	var objInput = document.getElementsByTagName('select');
	
	for (var i=0; i<objInput.length; i++) {
		getstr += objInput[i].name + "=" + objInput[i].value + "&";
		
	}
	
	// make http request
	myRand=parseInt(Math.random()*99999999); // cache buster
	var url = 'scripts/search.php'+getstr+'rand='+myRand;
	
    makeHttpRequest(url, 'loadSearchResponse', true);
}

function loadSearchResponse(xml) {
	
	var len = xml.getElementsByTagName("unit_id").length;
	document.getElementById('searchResults').innerHTML = "";
	var resultHTML = "";
	
	if (len == 0) {
		
		resultHTML += "<p>No match found.</p>";
		
	}
	
	else if (len > 0) {
	
		resultHTML += "<table id=\"searchResultsTable\" class=\"sortable\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">";
		resultHTML += "<thead>";
		resultHTML += "<tr>";
		resultHTML += 	"<th>Unit Name</th>";
		resultHTML += 	"<th>Bedroom</th>";
		resultHTML += 	"<th>Bath</th>";
		resultHTML += 	"<th>Price</th>";
		resultHTML += "</tr>";
		resultHTML += "</thead>";
		
		resultHTML += "<tbody>";
		
		for (var i=0; i < len; i++) {
			
			resultHTML += "<tr>";
			resultHTML += 	"<td><a href=\"projectdetails.php?projectID="+xml.getElementsByTagName("project_id")[i].childNodes[0].nodeValue+"&selected_unit="+xml.getElementsByTagName("unit_id")[i].childNodes[0].nodeValue+"\">"+xml.getElementsByTagName("name")[i].childNodes[0].nodeValue+"</a></td>";
			resultHTML += 	"<td>"+xml.getElementsByTagName("bedrooms")[i].childNodes[0].nodeValue+"</td>";
			resultHTML += 	"<td>"+xml.getElementsByTagName("baths")[i].childNodes[0].nodeValue+"</td>";
			resultHTML += 	"<td>"+xml.getElementsByTagName("price")[i].childNodes[0].nodeValue+"</td>";
			resultHTML += "</tr>";
	
		}
		
		resultHTML += "</tbody>";
		resultHTML += "</table>";
	
	}
	
	document.getElementById('searchResults').innerHTML = resultHTML;

}

function resetSearchFields() {
	
	document.getElementById('bedrooms').value = 0;
	document.getElementById('baths').value = 0;
	document.getElementById('price').value = 0;
	document.getElementById('searchResults').innerHTML = "";

}