function ClearTextBox(x)
{
document.getElementById(x).value="";
}

function GoBack()
  {
  window.history.back()
  }
  
function RefreshImage(valImageId) {
	var objImage = document.images[valImageId];
	if (objImage == undefined) {
		return;
	}
	var now = new Date();
	objImage.src = objImage.src.split('?')[0] + '?x=' + now.toUTCString();
}  

function goback()
  {
  window.history.back()
  }