var fileCount = 1;
function createElement(element) {
	  if (typeof document.createElementNS != 'undefined') {
	    return document.createElementNS('http://www.w3.org/1999/xhtml', element);
	  }
	  if (typeof document.createElement != 'undefined') {
	    return document.createElement(element);
	  }
	  return false;
	}


function add_more_upload() {
	var fileTable = document.getElementById('files');
	fileCount = fileTable.rows.length -1
	var fileUploadRow = createElement("tr");
	var fileDescriptionCel = createElement("td");
	var fileUploadCel = createElement("td");
	
	var fileUpload = createElement("input");
	fileUpload.id = "attach_"+fileCount;
	fileUpload.name = "files["+fileCount+"]";
	fileUpload.type = "file";
	
	var fileDescription = createElement("input");
	fileDescription.name = "files"+fileCount+".description";
	fileDescription.className = "field";
	
	fileTable.appendChild(fileUploadRow);
	
	fileUploadRow.appendChild(fileDescriptionCel);
	fileDescriptionCel.appendChild(fileDescription);
	
	fileUploadRow.appendChild(fileUploadCel);
	fileUploadCel.appendChild(fileUpload);

	fileCount++;
}