function updateSearchByWheelSize(thisRimWidth,thisRimDiameter,thisBoltPattern,Qstr,which) {	
	var xmlDoc = "";
	if (thisRimWidth != '') { 
	var connectURL = "assets/sharedajax/wheels.aspx";
	var WHEELSIZEXML = "<WHEELSIZEXML><rimwidth>" + thisRimWidth + "</rimwidth><rimdiameter>" + thisRimDiameter + "</rimdiameter><boltpattern>" + thisBoltPattern + "</boltpattern><qstring>" + Qstr + "</qstring></WHEELSIZEXML>"; 
	
	var searchSubmit = "" 
	searchSubmit += '<input src="../assets/SharedImages/0.gif" alt="Find Wheels" id="findWheels" type="image" value="Submit" onclick="validateWheelSize();return false;" />';
	
	var req = new XMLHttpRequest();
	if (req) {
		req.onreadystatechange = function() {
			if (req.readyState == 4 && req.status == 200) {
				xmlDoc=req.responseText;		
				switch (which.id) {
				case 'rimwidth' : 	document.getElementById('rimdiameterSelect').innerHTML = xmlDoc; 
				document.getElementById('boltpatternSelect').innerHTML = '<label for="boltpattern" class="labelFormat">Bolt Pattern:</label><select name="boltpattern" class="styled"><option selected>Choose Rim Diameter</option></select>';
				document.getElementById('gobuttonForWheelSize').innerHTML = searchSubmit;
				break;
				case 'rimdiameter' : 	document.getElementById('boltpatternSelect').innerHTML = xmlDoc; 
				document.getElementById('gobuttonForWheelSize').innerHTML = searchSubmit;
				break;
				case 'boltpattern' : 	document.getElementById('gobuttonForWheelSize').innerHTML = '<input type=\"submit\" name=\"Submit\" value=\"Search\" />'+ xmlDoc;
				document.formWheelSizeSearch.action = Qstr;
				break;
				}
			}
		};  
		req.open('POST', connectURL, true); 
		req.send(WHEELSIZEXML);
	}
	 
	} else { 
		alert("Please select a valid entry from the list."); 
	}
}

function showWheelSizeGo() {
    var goButtonHTML = '';
    goButtonHTML += '<input onClick=\"javascript:document.formWheelSizeSearch.action=\'?PageData=wheelFiltering\';document.formWheelSizeSearch.submit();\" src=\"../assets/SharedImages/0.gif\" alt=\"Find Wheels\" id=\"findWheels\" type=\"image\" value=\"Submit\"  />';	
	document.getElementById('gobuttonForWheelSize').innerHTML = goButtonHTML;
}

function validateWheelSize(){
    alert("Please choose a value for all drop downs.");
}