//Abrir ventana flotante sin barra de scroll
function winNoScroll(url,ancho,alto,nombre){
	var posx = (screen.width-ancho)/2;
	var posy = (screen.height-alto)/2;
	window.open(url,nombre,'toolbar=0, resizable=0, location=0,status=0,directories=0,menubar=0,scrollbars=0,width='+ancho+',height='+alto+',left='+posx+',top='+posy);	
}

//Abrir ventana flotante con barra de scroll
function winScroll(url,ancho,alto,nombre){
	var posx = (screen.width-ancho)/2;
	var posy = (screen.height-alto)/2;
	window.open(url,nombre,'toolbar=0, resizable=0, location=0,status=0,directories=0,menubar=0,scrollbars=1,width='+ancho+',height='+alto+',left='+posx+',top='+posy);	
}