div.top {
	height:28px; 
	background-image:url(imgs/top_line.gif);
	background-repeat:repeat-x;
	margin:2em 0 0 0;}
	
	
img.esquina_sup_izq { float:left; }
img.esquina_sup_der { float:right; }

div.content { 
	background-image:url(imgs/left_line.gif); 
	background-repeat:repeat-y; 
	background-color: #ffffff; }
	
div.boxcontrol { padding: 0 3% 0 2%; 
	background-image:url(imgs/right_line.gif); 
	background-position:right; 
	background-repeat:repeat-y; }
	
div.bottom { height:28px; 
	background-image:url(imgs/btm_line.gif); 
	background-repeat:repeat-x; 
	border:0;
	padding:0;
	margin:0;}
	
img.esquina_inf_izq { float:left; }
img.esquina_inf_der { float:right; }


	
/* IE 5.5 box model hack para posicionar correctamente las imagenes de esquina */
* html img.esquina_sup_izq, * html img.esquina_inf_izq  { \margin-left:-.2em;  ma\rgin-left:0; }
* html img.esquina_inf_der, * html img.esquina_sup_der { \margin-left:.2em; }