/* browser identification */

NS4 = (document.layers);
NS6 =  ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 5));
IE4 = (document.all);
MAC45 = (navigator.appVersion.indexOf("MSIE 4.5") != -1);
ver4 = (NS4 || IE4);   
isMac = (navigator.appVersion.indexOf("Mac") != -1);

function showLayer(divname,refimage,xoffset,yoffset)
{
	
	div=MM_findObj(divname);

	if (NS4)
	{
		div.top = findloc(refimage)[1]+yoffset;
		div.left = findloc(refimage)[0]+xoffset;
	}
	else if (NS6)
	{
  	   	div.style.top = findloc(refimage)[1]+yoffset;
		div.style.left = findloc(refimage)[0]+xoffset;
	}
	else
	{
		div.style.pixelTop = findloc(refimage)[1]+yoffset;
		div.style.pixelLeft = findloc(refimage)[0]+xoffset;
	}
	
	if (NS4) div.visibility = "show"
		else div.style.visibility = "visible";
}