function getImage(trgImgId, imgUrl){
    if (imgUrl != "") {
        var img = document.createElement("img");
        showPrg();
        img.onload = function (evt) {
            document.getElementById(trgImgId).src=this.src;
            document.getElementById(trgImgId).width=this.width;
            document.getElementById(trgImgId).height=this.height;
            hidePrg();
        }
        img.src = imgUrl;
    }
}

function showPrg() {
    document.getElementById("dPrg").style.display = "block"; 
}

function hidePrg() {
    document.getElementById("dPrg").style.display = "none";  
}