<!--
 // preload images
  var buttonNames = new Array("what", "whom", "appl", "prod", "indu", "cont");
  var buttonOut = new Array("What_U.gif", "Who_U.gif", "App_U.gif", "Prod_U.gif", "Inds_U.gif", "Cont_U.gif");
  var buttonIn = new Array("What_S.gif", "Who_S.gif", "App_S.gif", "Prod_S.gif", "Inds_S.gif", "Cont_S.gif");
  var direct = "Graphics/Home/";
  var bnames = buttonNames.length;
//<a href="What_Is.htm" onmouseover="mouseIn(0)" onmouseout="mouseOut(0)"><img alt="Home" src="Graphics/Page_Nav/What_U.gif" alt="What is DuraSurf?" name="what" border="0"></a>
    
  var buttonOn = new Array(bnames);
  var buttonOff = new Array(bnames);

  for(x = 0; x < bnames; x++) {
	buttonOn[x] = new Image();
		buttonOn[x].src = direct+buttonIn[x];
	buttonOff[x] = new Image(); 
		buttonOff[x].src = direct+buttonOut[x];
  }

// display selected button
  function mouseIn(bid) {
	pobject = buttonOn[bid].src
	eval('document.'+buttonNames[bid]+'.src = buttonOn[bid].src');

  }

// display unselected button
  function mouseOut(bid) {
	pobject = buttonOff[bid].src
	eval('document.'+buttonNames[bid]+'.src = buttonOff[bid].src');
  }
-->