isIE=document.all;
isNN=!document.all&&document.getElementById;
isN4=document.layers;
isHot=false;
function chiudi(){
if (isIE||isNN){
	document.getElementById("LayerPr").style.visibility = "hidden"
	}else if (isN4){
	document.layers["LayerPr"].visibility='hide';	 
  }
}

	

Object.prototype.posPromo=function(){
centroX_UNO=Math.ceil((document.getElementById("xy").getAttribute("width"))/2)

var	Coords={x: 0, y: 0}
var XY=Coords.getPosXY(document.getElementById("xy"))
var var_uno=document.getElementById("LayerPr").style.width
var var_due=var_uno.split("px")
cx=50+XY.x

cy=220;	
 if (isIE||isNN) {
	 document.getElementById("LayerPr").style.left=cx
	 document.getElementById("LayerPr").style.top=cy
  
	 }else if (isN4){ 
	 document.layers["LayerPr"].style.left=cx
	 document.layers["LayerPr"].style.top=cy
	 }	

}


Object.prototype.getPosXY=function(element) { 
	if(element){
		this.x += element.offsetLeft; 
		this.y += element.offsetTop; 
		element= element.offsetParent; 
	    this.getPosXY(element)
		}
	return this; 
}