function Altmodificado(){
var x = navigator.appVersion;
y = x.substring(0,4);
if (y>=4) setVariables();
}
var x,y,a,b
function setVariables(){
         if (navigator.appName == "Netscape") {
 				h=".left=";
				v=".top=";
				dS="document.";
				sD="";
				osX="window.pageXOffset"
				osY="window.pageYOffset"
	 }
else{
 				h=".pixelLeft=";
				v=".pixelTop=";
				dS="";
				sD=".style";
				osX="document.body.scrollLeft"
				osY="document.body.scrollTop"

	}
}

var isNav = (navigator.appName.indexOf("Netscape") !=-1);
function popLayer(a){
desc="<table border='1' cellpadding='2' bordercolor=gold width='130' style='border-collapse: collapse; font-family:verdana,arial,helvetica,sans-serif; font-size: 10px'><tr><td height='12' bgcolor=gold>"
if (a==1)desc+="Motor.astalaweb.net</td></tr><tr><td bgcolor=lightyellow>"
if (a==1)desc+="Banner de 48x32. Guía de motor en Internet. Ejemplo de descripción del portal</td></tr></table>"

if (a==2)desc+="Astalaweb.com</td></tr><tr><td bgcolor=lightyellow>"
if (a==2)desc+="Banner de 64x48. Portal Astalaweb.com. Recursos gratuitos. Ejemplo de descripción del portal</td></tr></table>"
a=desc


if(isNav) {
document.object1.document.write(desc)
document.object1.document.close()
document.object1.left=x+25
document.object1.top=y

}

else {
yy=eval(osY)
xx=eval(osX)
object1.innerHTML=a
eval(dS+"object1"+sD+h+(x+25+xx))
eval(dS+"object1"+sD+v+(eval(y+yy)))
}
}

function hideLayer(a){
if(isNav) {
eval(document.object1.top=a)
}
else object1.innerHTML=""
}
function handlerMM(e){
x = (isNav) ? e.pageX : event.clientX
y = (isNav) ? e.pageY : event.clientY
}
if (isNav){
document.captureEvents(Event.MOUSEMOVE);
}
document.onmousemove = handlerMM;