function changePage(action, txt, frm) {
    var page = 1;
	try {
		page = parseInt(document.getElementById(txt).value);
		if (action == 'next') {
			page++;
		}
		else if (action == 'prev') {
			page--;
		}
	}
	catch (o) { }
	document.getElementById(txt).value = page;
	var f = document.getElementById(frm);
	f.submit();
}

function transferSelected(cmb1, cmb2) {
	for (var i = 0; i < cmb1.length; i++) {
		if (cmb1.options[i].selected) {
			var opt = new Option();
			opt.value = cmb1.options[i].value;
			opt.text = cmb1.options[i].text;
			cmb2.add(opt);
		}
	}

	for (var i = 0; i < cmb1.length; i++) {
		if (cmb1.options[i].selected) {
			cmb1.remove(i);
			i--;
		}
	}
}

function selectAll(cmb1) {
	for (var i = 0; i < cmb1.length; i++) {
		cmb1.options[i].selected = 1;
	}
}

function removeAll(cmb1) {
  while (cmb1.length > 0) {
      cmb1.remove(0);
  }
  
function previewImage(sImagePath) {
	alert(sImagePath);
	imgPreview.src = 'file:\\' + sImagePath ;
  }
}