function showPreview(url, border, width, height, desc)

{



  border = typeof(border) == "undefined" ? 0 : border;

  width = typeof(width) == "undefined" ? 100 : width;

  height = typeof(height) == "undefined" ? 100 : height;

  desc = typeof(desc) == "undefined" ? "" : desc;



  document.getElementById("sp").innerHTML = '<img src="' + url + '" border="' + border + '" width="' + width + '" height="' + height + '"><br>' + desc;



}





/***************************************************

THIS FUNCTION WILL CLEAR THE GENERATED PREVIEW. IT

DOES NOT TAKE ANY ARGUMENTS.

****************************************************/

function clearPreview()

{



  document.getElementById("sp").innerHTML = "Move your mouse over a link to generate a preview.";



}