// JScript File

function change(objectName, layernum, total){
    for (var i=1; i<total; i++) {
        document.getElementById(objectName+i).style.display = "none";
    }
        document.getElementById(objectName+layernum).style.display = "block";
    }

function SetSelectedHomeRate(layernum,ctrl)
{
    //debugger;
    var hdnCtrl=document.getElementById(ctrl);
    var drpEquityLandingRates_cmbState=document.getElementById("EquityLandingRates_cmbState");
    var drpbuyingPageRates_cmbState=document.getElementById("buyingPageRates_cmbState");
    
    hdnCtrl.value=layernum; 
    
    if(layernum==1)
    {
        drpbuyingPageRates_cmbState.options[0].selected=true;
    }
    else if(layernum==2)
    {
        drpEquityLandingRates_cmbState.options[0].selected=true;
    }    
}

function SetSelectedHomeCtl(layernum,ctrl)
{
    var hdnCtrl=document.getElementById(ctrl);
    hdnCtrl.value=layernum;        
}

function showLayer(layerToShow) {
    currentLayer = document.getElementById(layerToShow);
    if(currentLayer.style.display == "none" || currentLayer.style.display==""){
        currentLayer.style.display = "block";
    } else {
        currentLayer.style.display = "none";
    }
}

function loadRandomImage() {
    // total number of images to be displayed
    var totalNumberofImages = 3;
    // creates random number from 0 to totalNumberofImages Variable
    var whichImage = Math.round(Math.random()*(totalNumberofImages-1));
    // adds 1 to the Variable whichImage to correct for 0
    whichImage++;
    // writes the image to the page
    document.write("<img src='~/images/homePhoto" + whichImage + ".jpg' alt='Home Photo' />");
    document.write("<a href='javascript:void(0)' onclick='showLayer(\"modal\")' class='startHere" + whichImage + "'>Start Here</a>");
}

function getQueryString(key) {
    var pageURL = "";
    pageURL = location.search;
        
    if(pageURL == "")
        return null;
        var indexOfKey = pageURL.indexOf("?" + key + "=");
            if(indexOfKey == -1)
                indexOfKey = pageURL.indexOf("&" + key + "=");
            if(indexOfKey == -1)
                return null;
            pageURL = pageURL.substring(indexOfKey+1);

            var indexOfEqualSign = pageURL.indexOf("=");
            
            if(indexOfEqualSign==-1)
                return null;

            var indexOfAmperSign = pageURL.indexOf("&");
            var queryString = "";

            if(indexOfAmperSign==-1)
                queryString = pageURL.substring(indexOfEqualSign + 1);
            else
                queryString = pageURL.substring(indexOfEqualSign + 1, indexOfAmperSign);
            return queryString;
}