// JScript File

// AJAX API For Loading the Derivative Page

var xmlReq = new Array(); // ARRAY OF XML-HTTP REQUESTS 
var xmlIndex = new Array(0); // ARRAY OF XML-HTTP REQUEST INDEXES
xmlIndex[0] = 1; // FIRST INDEX SET TO 1 MAKING IT AVAILABLE
var underly;

function xhrRequest(type) 
{
    if (!type) 
    {
        type = 'html';
    }
    // xhrsend IS THE xmlIndex POSITION THAT GETS PASSED BACK
    // INITIALIZED TO THE LENGTH OF THE ARRAY(LAST POSITION + 1)
    var xhrsend = xmlIndex.length;

    // GO THROUGH AVAILABLE xi VALUES
    for (var i=0; i<xmlIndex.length; i++) 
    {
        // IF IT'S 1 (AVAILABLE), ALLOCATE IT FOR USE AND BREAK
        if (xmlIndex[i] == 1) 
        {
            xmlIndex[i] = 0;
            xhrsend = i;
            break;
        }
    }
    // SET TO 0 SINCE IT'S NOW ALLOCATED FOR USE
    xmlIndex[xhrsend] = 0;


    // SET UP THE REQUEST
    if (window.ActiveXObject) 
    {
        try 
        {
            xmlReq[xhrsend] = new ActiveXObject("Msxml2.XMLHTTP");
        } 
        catch (e) 
        {
            try 
            {
                xmlReq[xhrsend] = new ActiveXObject("Microsoft.XMLHTTP");
            } 
            catch (e) 
            {
                
            }
        }
    } 
    else if (window.XMLHttpRequest) 
    {
        xmlReq[xhrsend] = new XMLHttpRequest();
        if (xmlReq[xhrsend].overrideMimeType) 
        {
            xmlReq[xhrsend].overrideMimeType('text/' + type);
        }
    }
    return (xhrsend);
}

//function LoadRequest(url, reqType) 
//{
//    var xhri = xhrRequest('html');
//    xmlReq[xhri].open('GET', url, true);
//    xmlReq[xhri].onreadystatechange = function() 
//    {                     
////        if (xmlReq[xhri].readyState == 4 && xmlReq[xhri].status == 200) 
////        {    
////        }
//    }
//    
//}

function PassValue()
{
    // 
     //For geting querystring
    //var qrStr = window.location.search;
    var qrStr = window.location.search;
    var spQrStr = qrStr.substring(1);
    var arrQrStr = new Array();
    // splits each of pair
    var arr = spQrStr.split('&');
    for (var i=0;i<arr.length;i++)
    {
        // splits each of field-value pair
        var index = arr[i].indexOf('=');
        var key = arr[i].substring(0,index);
        var val = arr[i].substring(index+1);
        // saves each of field-value pair in an array variable
        arrQrStr[key] = val;
    }   
    
    underly=arrQrStr["Underlying"];        
    
    if (arrQrStr["Flag"] == "IF")
    {
        document.getElementById('ddlInstrument').options[0].selected=true;
    }
    
}