/******************************************************************/
/* functions related to reading a directory of images and         */
/* displaying them on a page                                      */
/* author: RWB 2016.02.03                                         */
/******************************************************************/
//The following code does not work; commented out for later testing
////'use strict';
//function getFiles(dir){
//	document.write(dir);
//	document.write("<br>");
//	var fso, fldr;
//  	document.write("created vars <br>");
//    fso = new ActiveXObject("Scripting.FileSystemObject");
//  	document.write("created fso<br>");
//    fldr = fso.GetFolder(dir);
//  	document.write("Got folder: " + fldr.Name);
////	var fso = new ActiveXObject("Scripting.FileSystemObject");
////    fileList = [];
//
////    var files = fso.readdirSync(dir);
//	document.write("after readdirsync<br>");
////    for(var i in files){
////        if (!files.hasOwnProperty(i)) continue;
////        var name = dir+'/'+files[i];
////        if (!fs.statSync(name).isDirectory()){
//////            fileList.push(name);
////			document.write(dir+'/'+files[i]);
////        }
//		  document.write("something<br>");
////    }
////    return fileList;
//}


/******************************************************************/
/* functions related to reading an arrray of images and           */
/* displaying them on a page                                      */
/* author: RWB 2016.03.09                                         */
/******************************************************************/
function displayPhotosOnPage(SrcFldr, SubFldr, strImages, strOrient, strCaption){
	var k = 0;		  // counter for images
	// create a table
    document.write("<table>");
	while (k < strImages.length) {
	    // start a row		  
		document.write("<tr>");
	    for (j = 0; j < 3; j++)  {
		    // displays 3 pictures in a row
			// start a cell
		    document.write("<td align='center'>");
			if (k < strImages.length) {
			    var strPhotoPath;
			    var imgToDisplay = new Image();
				if (SubFldr.length > 0) {
			        strPhotoPath = "Images/" + SrcFldr + "/" + SubFldr + "/" + strImages[k];
					}
				else {
			        strPhotoPath = "Images/" + SrcFldr + "/" + strImages[k];
				}	
			    imgToDisplay.src = strPhotoPath;
			    document.write("<a href=");
			    document.write("javascript:CaricaFoto('" + strPhotoPath + "')");
			    document.write(" border='0'>");
			    document.write("<img src='" + strPhotoPath + "'");
			    if (strOrient[k] == "P") {
			        document.write(" height='240' width='180'");
					}
			    else {
			        document.write(" height='180' width='240'");
					}
			    document.write(" alt='" + strCaption[k] + "' border='0'>");
			    document.write("</a>");
			    document.write("<br>" + strCaption[k]);
				k++;
				}
			else {
				// if no picture, fill with non-breaking space
			    document.write("&nbsp;"); 
			}
			// close the cell
			document.write("</td>"); 
        }	// end for j
		// close the row
		document.write("</tr>");		   
	}  // end while (k)
	// close the table
    document.write("</table>");
	
	return;
}