function toggleDiv(showHideDiv, switchImgTag) {
        var ele = document.getElementById(showHideDiv);
        var imageEle = document.getElementById(switchImgTag);
        if(ele.style.display == "block") {
                ele.style.display = "none";
		imageEle.innerHTML = '<img src="images/collapsed.png" alt="collapsed image"/>';
        }
        else {
                ele.style.display = "block";
                imageEle.innerHTML = '<img src="images/expanded.png" alt="expanded image"/>';
        }
}