var url = siteUrl+"imagesXML.php";
var origPdtHt = 0;
var origPwkHt = 0;
var origCstHt = 0;
var newPdtWk = 0;

var fileNamesArray = new Array();
var pdtNameArray = new Array();

function getRandImages() {
    newPdtWk = 1;
    getRandNewPdt('pdt');
    getpdtOfWeek('pwk');
    getCaseStudy('cst');
}

function getRandNewPdt(opt) {
    var pdtNo = "";
    var pdtName = "";
    var pdtId = "";
    var pdtCatId = "";
    var pdtSubCatId = "";
    var pdtImage = "";
    var pdtHeight = 0;
    
    var randNewPdtArray = new Array(); 

    var qstr = "opt="+opt;
    var xmlDoc = "";
    try {
        xmlDoc = getXMLDoc(url,qstr);
    } catch (e) {}
    try {
        randNewPdtArray = xmlDoc.getElementsByTagName("newPdt");
    } catch (e) {}
    for (var i=0; i<randNewPdtArray.length; i++) {
        try {
            pdtName = randNewPdtArray[i].getElementsByTagName("pdtName")[0].childNodes[0].nodeValue;
        } catch (e) {}
        try {
            pdtImage = randNewPdtArray[i].getElementsByTagName("pdtImage")[0].childNodes[0].nodeValue;
        } catch (e) {}
        fileNamesArray[i] = pdtImage;
        pdtNameArray[i] = pdtName;
    }
   // displayNewPdtImgs();
}


function getpdtOfWeek(opt) {
    var pdtImage = "";
    var pdtHeight = 0;

    var pdtOfWeekArray = new Array(); 
    
    var qstr = "opt="+opt;
    if(newPdtWk == 1) {
        qstr += "&pwk=new";
        newPdtWk = 0;
    }
    var xmlDoc = "";
    try {
        xmlDoc = getXMLDoc(url,qstr);
    } catch (e) {}
    try {
        pdtOfWeekArray = xmlDoc.getElementsByTagName("pdtWk");
    } catch (e) {}
    for (var i=0; i<pdtOfWeekArray.length; i++) {
        try {
            pdtImage = pdtOfWeekArray[i].getElementsByTagName("pdtImg")[0].childNodes[0].nodeValue;
        } catch (e) {}
        try {
            pdtHeight = parseInt(pdtOfWeekArray[i].getElementsByTagName("pdtHt")[0].childNodes[0].nodeValue);
        } catch (e) {}
        origPwkHt = pdtHeight;
    }    
    imgSrc = "<a href=\""+adminUrl+"POTWImages/"+ pdtImage +" \" target=\"_blank\">";
    imgSrc += "<img src=\"imgResize.php?imgSrc=POTWImages/" + pdtImage + "\" alt=\"Product of the Week\">";
    imgSrc += "</a>";
    document.getElementById("pdtWk").innerHTML = imgSrc;
}

function getCaseStudy(opt) {
    var pdtImage = "";
    var pdtHeight = 0;

    var pdtOfWeekArray = new Array(); 
    var qstr = "opt="+opt;

    var xmlDoc = "";
    try {
        xmlDoc = getXMLDoc(url,qstr);
    } catch (e) {}
    try {
        pdtOfWeekArray = xmlDoc.getElementsByTagName("caseStudy");
    } catch (e) {}
    for (var i=0; i<pdtOfWeekArray.length; i++) {
        try {
            pdtImage = pdtOfWeekArray[i].getElementsByTagName("cstName")[0].childNodes[0].nodeValue;
        } catch (e) {}
        try {
            pdtHeight = parseInt(pdtOfWeekArray[i].getElementsByTagName("pdtHt")[0].childNodes[0].nodeValue);
        } catch (e) {}
        origCstHt = pdtHeight;
    }  
    imgSrc = "<a href=\""+adminUrl+"caseStudy/"+ pdtImage +" \" target=\"_blank\">";
    imgSrc += "<img src=\"imgResize.php?imgSrc=caseStudy/" + pdtImage + "\" alt=\"Case Study\" width=\"230\">";
    imgSrc += "</a>";
    document.getElementById("cst").innerHTML = imgSrc;
}

function displayNewPdtImgs() {
    document.getElementById("divNewPdt").innerHTML="";
    document.getElementById("prodName").innerHTML="";
    
    var len = 0;
    try {
    len = parseInt(fileNamesArray.length);
    } catch(e) {}

    var pdtImage= "";
    var pdtName = "";
    var rand = Math.floor(len*Math.random());
    pdtImage = fileNamesArray[rand];
    pdtName = pdtNameArray[rand];
    imgSrc = "<a href=\""+ siteUrl + "newProducts.php\"><img src=\""+siteUrl+"imgResize.php?imgSrc=productPhotos/"+pdtImage+"\" alt=\"\"></a>";
    document.getElementById("divNewPdt").innerHTML=imgSrc;
    document.getElementById("prodName").innerHTML="<font size=\"2\" color=\"#1E3331\">"+pdtName.toUpperCase()+"</font>";
    setTimeout("displayNewPdtImgs()",3000);
}