/* The variable http_* will hold our new XMLHttpRequest object. */
var http_dropdowns = createRequestObject();

var markAllState = false;

function ToolMarkAll()
{
        //count = parseInt(count);
        markAllState = !markAllState;
        for(var i = 0; i < document.shared_schools_form.length; i++)
        {
                document.shared_schools_form.elements[i].checked = markAllState;
        }
}

function createRequestObject()
{
        var request_o;
        var browser = navigator.appName;
        if(browser == "Microsoft Internet Explorer"){
                /* Create the object using MSIE's method */
                request_o = new ActiveXObject("Microsoft.XMLHTTP");
        }else{
                /* Create the object using other browser's method */
                request_o = new XMLHttpRequest();
        }
        return request_o;
}

function get_dropdown_data()
{
        var state = "";
        if(document.getElementById("state"))
        {
                var host_id_link = "";
                
                if(document.getElementById('host_id'))
                {
                        host_id_link = "host_id=" + document.getElementById('host_id').value + "&"; 
                }

                state = document.getElementById("state").value;

                http_dropdowns = createRequestObject();
                
                http_dropdowns.open('get', 'index.php?' + host_id_link + 'type=ajax&action=get_school_filter_data&state=' + state);
                
                http_dropdowns.onreadystatechange = handleGetDropDownData;

                if(http_dropdowns.readyState > 0)
                {
                        http_dropdowns.send(null);
                }
        }
}

function handleGetDropDownData()
{
        if(http_dropdowns.readyState == 4)
        {
                var response = http_dropdowns.responseText;
                
                document.getElementById("test").innerHTML = response;
        }
}