function busqueda_ant(anterior,base)
{
  	SetCookie("anterior",anterior,null,"/");	

	switch(base){
	   case "diph":
	   case "DIPH":
			location.replace("/docu/dipuhist/diph_pant.html");
			break;
	   case "inct":
	   case "INCT":
			location.replace("/docu/iniciativas/inct_pant.html");
			break;
	   case "in0t":
	   case "IN0T":
			location.replace("/docu/iniciativas/in0t_pant.html");
			break;
	   case "in1t":
	   case "IN1T":
			location.replace("/docu/iniciativas/in1t_pant.html");
			break;
	   case "in2t":
	   case "IN2T":
			location.replace("/docu/iniciativas/in2t_pant.html");
			break;
	   case "in3t":
	   case "IN3T":
			location.replace("/docu/iniciativas/in3t_pant.html");
			break;
	   case "in4t":
	   case "IN4T":
			location.replace("/docu/iniciativas/in4t_pant.html");
			break;
	   case "in5t":
	   case "IN5T":
			location.replace("/docu/iniciativas/in5t_pant.html");
			break;
	   case "in6t":
	   case "IN6T":
			location.replace("/docu/iniciativas/in6t_pant.html");
			break;

	   case "in7t":
	   case "IN7T":
			location.replace("/docu/iniciativas/in7t_pant.html");
			break;
	   case "in8t":
	   case "IN8T":
			location.replace("/docu/iniciativas/in8t_pant.html");
			break;

	   case "incu":
	   case "INCU":
			location.replace("/docu/iniciativas/incu_pant.html");
			break;
	   case "in0u":
	   case "IN0T":
			location.replace("/docu/iniciativas/in0u_pant.html");
			break;
	   case "in1u":
	   case "IN1U":
			location.replace("/docu/iniciativas/in1u_pant.html");
			break;
	   case "in2u":
	   case "IN2U":
			location.replace("/docu/iniciativas/in2u_pant.html");
			break;
	   case "in3u":
	   case "IN3T":
			location.replace("/docu/iniciativas/in3u_pant.html");
			break;
	   case "in4u":
	   case "IN4U":
			location.replace("/docu/iniciativas/in4u_pant.html");
			break;
	   case "in5u":
	   case "IN5U":
			location.replace("/docu/iniciativas/in5u_pant.html");
			break;
	   case "in6u":
	   case "IN6U":
			location.replace("/docu/iniciativas/in6u_pant.html");
			break;

	   case "in7u":
	   case "IN7U":
			location.replace("/docu/iniciativas/in7u_pant.html");
			break;

	   case "in8u":
	   case "IN8U":
			location.replace("/docu/iniciativas/in8u_pant.html");
			break;
	   case "itet":
	   case "ITET":
			location.replace("/docu/intervenciones/itet_pant.html");
			break;
	   case "it0t":
	   case "IT0T":
			location.replace("/docu/intervenciones/it0t_pant.html");
			break;
	   case "it1t":
	   case "IT1T":
			location.replace("/docu/intervenciones/it1t_pant.html");
			break;
	   case "it2t":
	   case "IT2T":
			location.replace("/docu/intervenciones/it2t_pant.html");
			break;
	   case "it3t":
	   case "IT3T":
			location.replace("/docu/intervenciones/it3t_pant.html");
			break;
	   case "it4t":
	   case "IT4T":
			location.replace("/docu/intervenciones/it4t_pant.html");
			break;
	   case "it5t":
	   case "IT5T":
			location.replace("/docu/intervenciones/it5t_pant.html");
			break;
	   case "it6t":
	   case "IT6T":
			location.replace("/docu/intervenciones/it6t_pant.html");
			break;
	   case "it7t":
	   case "IT7T":
			location.replace("/docu/intervenciones/it7t_pant.html");
			break;
	   case "it8t":
	   case "IT8T":
			location.replace("/docu/intervenciones/it8t_pant.html");
			break;
	   case "iteu":
	   case "ITEU":
			location.replace("/docu/intervenciones/iteu_pant.html");
			break;
	   case "it0u":
	   case "IT0U":
			location.replace("/docu/intervenciones/it0u_pant.html");
			break;
	   case "it1u":
	   case "IT1U":
			location.replace("/docu/intervenciones/it1u_pant.html");
			break;
	   case "it2u":
	   case "IT2U":
			location.replace("/docu/intervenciones/it2u_pant.html");
			break;
	   case "it3u":
	   case "IT3U":
			location.replace("/docu/intervenciones/it3u_pant.html");
			break;
	   case "it4u":
	   case "IT4U":
			location.replace("/docu/intervenciones/it4u_pant.html");
			break;
	   case "it5u":
	   case "IT5U":
			location.replace("/docu/intervenciones/it5u_pant.html");
			break;
	   case "it6u":
	   case "IT6U":
			location.replace("/docu/intervenciones/it6u_pant.html");
			break;
	   case "it7u":
	   case "IT7U":
			location.replace("/docu/intervenciones/it7u_pant.html");
			break;
	   case "it8u":
	   case "IT8U":
			location.replace("/docu/intervenciones/it8u_pant.html");
			break;
	   case "pub0":
	   case "PUB0":
			location.replace("/docu/publicaciones/pub0_pant.html");
			break;
	   case "puf0":
	   case "PUF0":
			location.replace("/docu/publicaciones/puf0_pant.html");
			break;
	   case "puf1":
	   case "PUF1":
			location.replace("/docu/publicaciones/puf1_pant.html");
			break;

	   case "puf2":
	   case "PUF2":
			location.replace("/docu/publicaciones/puf2_pant.html");
			break;

	   case "puf3":
	   case "PUF3":
			location.replace("/docu/publicaciones/puf3_pant.html");
			break;
	   case "puf4":
	   case "PUF4":
			location.replace("/docu/publicaciones/puf4_pant.html");
			break;

	   case "puf5":
	   case "PUF5":
			location.replace("/docu/publicaciones/puf5_pant.html");
			break;

	   case "puw5":
	   case "PUW5":
	   case "pub5":
	   case "PUB5":
			location.replace("/docu/publicaciones/pub5_pant.html");
			break;
	   case "puw6":
	   case "PUW6":
	   case "pub6":
	   case "PUB6":
			location.replace("/docu/publicaciones/pub6_pant.html");
			break;
	   case "puw7":
	   case "PUW7":
	   case "pub7":
	   case "PUB7":
			location.replace("/docu/publicaciones/pub7_pant.html");
			break;
	   case "puw8":
	   case "PUW8":
	   case "pub8":
	   case "PUB8":
			location.replace("/docu/publicaciones/pub8_pant.html");
			break;


	}
 // 	SetCookie("base",base,null,"/");
}