// JScript File
var myMap;
    
    // Simple debug utility function
    function myPrint(strText){ 
        document.getElementById('debug').innerHTML = strText + "<br/>" + document.getElementById('debug').innerHTML;        
    } 
    
    function Init(){    
        // Create a map object
        myMap = new YMap(document.getElementById('myMap')); 
        // Display the map centered on given address 
        myMap.drawZoomAndCenter("Nebraska", 15); 
        // Add a zoom control
        myMap.addZoomLong();        
    }
    
    function FindCustomers() {    
        // Build a customer search URL 
        var strAWSAccessKey = "AWSAccessKeyId=0SF32ERN5WCAB6FYER02&";
        var strOperation = "Operation=CustomerContentSearch&";
        var strName="Name=" + document.getElementById("txtName").value + "&"
        
        var strRoot = "http://webservices.amazon.com/onca/xml?Service=AWSECommerceService&";
        var strUrl = strRoot +  strOperation 
            + strName + strAWSAccessKey + 
            "Style=http://mashups.FrancisShanahan.com/11_03_CustomerMap/AmazonJSON.xsl&contentType=text/javascript";
        
        // Write out the URL for debugging purposes
        myPrint(strUrl);
                
        var myTag = CreateScriptTag(strUrl);
        document.getElementById("myHead").appendChild(myTag);
    }
        
    function CreateMapMarker(strCustomerId, strCity, strState) {       
        // Create a new marker
        var myMarker = new YMarker(strCity + ", " + strState);
        
        // Add a label
        var label= "*";
        myMarker.addLabel(label);
        
        // Add some descriptive text
        var strText = "You Clicked: <b>Customer Id:</b>" + strCustomerId + " in " + strCity + ", " + strState;
        
        // Capture the click event
        YEvent.Capture(myMarker,EventsList.MouseClick, 
                function() { myMarker.openSmartWindow(strText) ; 
                document.getElementById('info').innerHTML = strText;});
                
        // Return the completed marker ready for the map
        return myMarker;
    }

    // Parses out the JSON object Properties
    function MyFunction (myJSON){

        var strResults = "";

        if (myJSON.Customers) {
            var i; 
            // Loop through all the customers. 
            for (i = 0; i < myJSON.Customers.length ; i ++ ) {
                var myCustomer = myJSON.Customers[i];
                
                // Check the customer
                if (myCustomer) {
                
                    // Check the address
                    if ((myCustomer.City) && (myCustomer.State)) {
                    
                        // Write out the Customer details
                        strResults += "<b>Customer Id:</b>" + myCustomer.CustomerId + ", ";
                        strResults += myCustomer.City + ", " + myCustomer.State;
                        strResults += "<br/>";
                        
                        // Create a new marker for the map
                        var myMarker = CreateMapMarker(myCustomer.CustomerId, myCustomer.City, myCustomer.State, 
                        myCustomer.City + ", " + myCustomer.State);     
                        
                        // Add the marker to the map
                        myMap.addOverlay(myMarker);
                    }
                }
            }
        }
        
        // Print out the customer list
        document.getElementById("results").innerHTML = strResults;
    }
    
    function CreateScriptTag(strUrl){
        myScript = document.createElement("script");
	    myScript.setAttribute("type", "text/javascript");
	    myScript.setAttribute("src", strUrl);
	 	    
	    return myScript; 
    }