function over(id,imgCambia){
	var pathImagen = document.getElementById(id).src;	
		  if (navigator.appName.toLowerCase() == 'netscape' && navigator.appVersion.substring(0,3) < 5.0)
        {
           document.RestoPagina.document.images[id].src = "pix/" + imgCambia;
        }
        else
        {
           window.document.images[id].src = "pix/" + imgCambia;
        }	
}
	function abrirImpresion(htmlfile, nombre, wndWidth, wndHeight) {
  			var popWnd; //Objeto ventana de popup
    		var maxWidth = screen.width-10;
    		var maxHeight = screen.height-56;

    		//Preprocesado de parámetros
    		if (wndHeight==0) wndHeight = maxHeight;
    		if (wndWidth==0) wndWidth = maxWidth;

    		//Calculo de la posición para centrar la ventana
    		var posX = maxWidth/2 - wndWidth/2;
    		var posY = 5000;

    		if (popWnd) popWnd.close();
   			popWnd = open(htmlfile, nombre, 'resizable=0,toolbar=0,scrollbars=1,location=0,directories=0,status=0,menubar=0,width='+wndWidth+',height='+wndHeight+',screenX=0,screenY=0,left='+posX+',top='+posY);

    		//this.blur();
    		popWnd.focus();
  		}