/*
  Browser Navigation functions.
  T.Cummins 28/12/2003
 */

function GoBack()
{
   //Go back only if their is was a prior page loaded in the Browser instance...
   if (history.length > 0)
   {
       history.back();
   }
}

function ShowPopUpWindow(strFileName, intWidth, intHeight) 
{
  strOpenParam = "width=" + intWidth + ",height=" + intHeight + ",status=no,resizable=no,scrollbars=yes,top=100,left=100"
  winNewWindow = window.open(strFileName, "", strOpenParam);
  winNewWindow.focus();
}

function ShowLargeImageInPopUp(strImageTitle, strLargeImageURL)
{
	strPopUpWindowURL = "ImageViewer.htm?Title=" + strImageTitle + " &Image=" + strLargeImageURL
	
	// NOTE: We set a reasonable initial size for the window because we want the user to see any
	// title bar part that can be used to display a message to tell the person to wait while the
	// image is downloading...
	strOpenParam = "width=250,height=100,status=no,resizable=no,scrollbars=no,top=30,left=30"
    winNewWindow = window.open(strPopUpWindowURL, "", strOpenParam);
    winNewWindow.focus();
}