function showimagewindow(path) {
    document.getElementById('blockout').style.display='';
    document.getElementById('viewimage').style.display='';
    document.getElementById('currentimage').src=path;

}

function hideimagewindow() {
   document.getElementById('blockout').style.display='none';
   document.getElementById('viewimage').style.display='none';
document.getElementById('currentimage').src='';
   
}