var isNS = (navigator.appName == "Netscape");
dx = - 8
dsx = 0
arriba = 250

function move_layer (layername, posx, posy)
{
	if (isNS) {
		eval ("document." + layername + ".left = " + posx)
		eval ("document." + layername + ".top = " + posy)
	} else {
		eval ("document.all." + layername + ".style.pixelLeft = " + posx)
		eval ("document.all." + layername + ".style.pixelTop = " + posy)
	}
}

function posiciona() {
	if (isNS) var centro = window.innerWidth / 2
	else {
		var centro = document.body.offsetWidth / 2
	}
	centro = Math.round(centro)


	  move_layer ('situacion',  	centro + 134, arriba)
	  move_layer ('fondo',        	centro + 132, arriba + 5)
	  move_layer ('historia',     	centro + 133, arriba)
	  move_layer ('contactenos',    centro + 130, arriba + 5)
	  
}

function nada ()
{
	return
}

window.onresize = posiciona
window.onerror = nada