//obtengo el ancho de la ventana del cliente
if (parseInt(navigator.appVersion)>3) {
 if (navigator.appName=="Netscape") {
  winW = window.innerWidth;
  winH = window.innerHeight;
 }
 if (navigator.appName.indexOf("Microsoft")!=-1) {
  winW = document.body.offsetWidth;
  winH = document.body.offsetHeight;
 }
}

//if (winW>1080)
if (navigator.appName.indexOf("Microsoft")!=-1)
{
	ancho=((winW-980)/2)+982;
}
else
{
	ancho=((winW-980)/2)+973;
}	

//declaro las variables para el floating
var ns = (navigator.appName.indexOf("Netscape") != -1);
var d  = document;


function JSFX_FloatDiv(id, sx, sy)
{
	var el=d.getElementById?d.getElementById(id):d.all?d.all[id]:d.layers[id];
	var px = document.layers ? "" : "px";
	window[id + "_obj"] = el;
	if(d.layers)el.style=el;
	el.cx = el.sx = sx;el.cy = el.sy = sy;
	el.sP=function(x,y){this.style.left=x+px;this.style.top=y+px;};

	el.floatIt=function()
	{
		var pX, pY;
		pX = (this.sx >= 0) ? 0 : ns ? innerWidth : document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body.clientWidth;
		pY = ns ? pageYOffset : document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop;
		if(this.sy<0)
		pY += ns ? innerHeight : document.documentElement && document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight;
		this.cx += (pX + this.sx - this.cx)/8;this.cy += (pY + this.sy - this.cy)/8;
		this.sP(this.cx, this.cy);
		setTimeout(this.id + "_obj.floatIt()", 40);
	}
	return el;
}