function resizer(inc,eid) {

  var txtarea = document.getElementById(eid);

  if (inc==1) {

    txtarea.rows = txtarea.rows + 5;

  } else {

    txtarea.rows = txtarea.rows - 5;

  }

  document.getElementById("textarea_next_time").value=txtarea.rows;

}



function checkAll(field)

{

for (i = 0; i < field.length; i++)

	field[i].checked = true ;

}



function uncheckAll(field)

{

for (i = 0; i < field.length; i++)

	field[i].checked = false ;

}



//add/remove upload files

var upload_number = 1;

function addFileInput(i) {

	if(upload_number > 10) { return; } //no more than 10

	var d = document.createElement("div");

	var l = document.createElement("a");

	var file = document.createElement("input");

	file.setAttribute("type", "file");

	file.setAttribute("name", "attachment"+upload_number);

	l.setAttribute("href", "javascript:removeFileInput('f"+upload_number+"');");

	l.appendChild(document.createTextNode("Remove"));

	d.setAttribute("id", "f"+upload_number);

	d.appendChild(file); d.appendChild(l);

	document.getElementById(i).appendChild(d); upload_number++;

}



function removeFileInput(i) {

	var elm = document.getElementById(i);

	document.getElementById("moreUploads").removeChild(elm);

	upload_number = upload_number - 1; // decrement the max file upload counter if the file is removed

}