.linDER {
	background-image: url(../images/Linea.gif);
	background-repeat:  repeat-y;
	background-attachment: fixed;
	background-position: right top;

}
.linIZQ {
	background-attachment: fixed;
	background-image: url(../images/Linea.gif);
	background-repeat:  repeat-y;
	background-position: left top;
}