function init() {
	nb_Position('tomate','menu',570,-50);
	nb_Position('logo','menu',20,-58);
}

function MouseOver() {
	this.className='boton_on';
	return false;
}

function MouseOut() {
	this.className='boton_off';
	return false;
}

//window.onload=init;

function nb_Position(layerID1,layerID,x,y){
		var iReturnValuey = 0;
		elementid=document.getElementById(layerID)
		while( elementid != null ){
		iReturnValuey += elementid.offsetTop;
		elementid = elementid.offsetParent;
		}
	
		var iReturnValuex = 0;
		elementid=document.getElementById(layerID)
		while( elementid != null ){
		iReturnValuex += elementid.offsetLeft;
		elementid = elementid.offsetParent;
		}
		layerID1=document.getElementById(layerID1);
		layerID1.style.top=(iReturnValuey+y)+'px';
		layerID1.style.left=(iReturnValuex+x)+'px';
}
//window.onload=init;
//window.onresize=init;