function fntLlenarComuna() {
		var oForm = document.formulario;
		var region = oForm.ciudades.value;
		var oComuna = oForm.comuna;
		var idx = 0;
		var flag = true;

		/*limpiar lista calles*/
		for (var i=oComuna.options.length-1;i>=0;i--)
			 oComuna.options[i]=null;

		if (region == "R1 ") {
			for (var i =0; i<oArrR1.length; i++) {
			    oComuna.options[idx] = new Option(oArrR1[i], oArrR1[i]);
				idx ++;
			}
		}
		if (region == "R2 ") {
			for (var i =0; i<oArrR2.length; i++) {
			    oComuna.options[idx] = new Option(oArrR2[i], oArrR2[i]);
				idx ++;
			}
		}

		if (region == "R3 ") {
			for (var i =0; i<oArrR3.length; i++) {
			    oComuna.options[idx] = new Option(oArrR3[i], oArrR3[i]);
				idx ++;
			}
		}

		if (region == "R4 ") {
			for (var i =0; i<oArrR4.length; i++) {
			    oComuna.options[idx] = new Option(oArrR4[i], oArrR4[i]);
				idx ++;
			}
		}

		if (region == "R5 ") {
			for (var i =0; i<oArrR5.length; i++) {
			    oComuna.options[idx] = new Option(oArrR5[i], oArrR5[i]);
				idx ++;
			}
		}

		if (region == "R6 ") {
			for (var i =0; i<oArrR6.length; i++) {
			    oComuna.options[idx] = new Option(oArrR6[i], oArrR6[i]);
				idx ++;
			}
		}

		if (region == "R7 ")
		{
			for (var i =0; i<oArrR7.length; i++) {
			    oComuna.options[idx] = new Option(oArrR7[i], oArrR7[i]);
				idx ++;
			}
		}

		if (region == "R8 ") {
			for (var i =0; i<oArrR8.length; i++) {
			    oComuna.options[idx] = new Option(oArrR8[i], oArrR8[i]);
				idx ++;
			}
		}

		if (region == "R9 ") {
			for (var i =0; i<oArrR9.length; i++) {
			    oComuna.options[idx] = new Option(oArrR9[i], oArrR9[i]);
				idx ++;
			}
		}

		if (region == "R10") {
			for (var i =0; i<oArrR10.length; i++) {
			    oComuna.options[idx] = new Option(oArrR10[i], oArrR10[i]);
				idx ++;
			}
		}

		if (region == "R11") {
			for (var i =0; i<oArrR11.length; i++) {
			    oComuna.options[idx] = new Option(oArrR11[i], oArrR11[i]);
				idx ++;
			}
		}

		if (region == "R12") {
			for (var i =0; i<oArrR12.length; i++) {
			    oComuna.options[idx] = new Option(oArrR12[i], oArrR12[i]);
				idx ++;
			}
		}

		if (region == "R14") {
			for (var i =0; i<oArrR14.length; i++) {
			    oComuna.options[idx] = new Option(oArrR14[i], oArrR14[i]);
				idx ++;
			}
		}

		if (region == "R15") {
			for (var i =0; i<oArrR15.length; i++) {
			    oComuna.options[idx] = new Option(oArrR15[i], oArrR15[i]);
				idx ++;
			}
		}

		if (region == "RM") {
			for (var i =0; i<oArrRM.length; i++) {
			    oComuna.options[idx] = new Option(oArrRM[i], oArrRM[i]);
				idx ++;
			}
		}
	}


			var oArrR1 = new Array;
			var oArrR2 = new Array;
			var oArrR3 = new Array;
			var oArrR4 = new Array;
			var oArrR5 = new Array;
			var oArrR6 = new Array;
			var oArrR7 = new Array;
			var oArrR8 = new Array;
			var oArrR9 = new Array;
			var oArrR10 = new Array;
			var oArrR11 = new Array;
			var oArrR12 = new Array;
			var oArrR14 = new Array;
			var oArrR15 = new Array;
			var oArrRM = new Array;

oArrR1[0] = "Alto Hospicio";
oArrR1[1] = "Camina";
oArrR1[2] = "Colchane";
oArrR1[3] = "Huara";
oArrR1[4] = "Iquique";
oArrR1[5] = "Pica";
oArrR1[6] = "Pozo Almonte";

oArrR2[0] = "Antofagasta";
oArrR2[1] = "Calama";
oArrR2[2] = "Maria Elena";
oArrR2[3] = "Mejillones";
oArrR2[4] = "Ollague";
oArrR2[5] = "San Pedro De Atacama";
oArrR2[6] = "Sierra Gorda";
oArrR2[7] = "Taltal";
oArrR2[8] = "Tocopilla";
oArrR3[0]= "Alto Del Carmen";
oArrR3[1]= "Caldera";
oArrR3[2]= "Chanaral";
oArrR3[3]= "Copiapo";
oArrR3[4]= "Diego De Almagro";
oArrR3[5]= "Freirina";
oArrR3[6]= "Huasco";
oArrR3[7]= "Tierra Amarilla";
oArrR3[8]= "Vallenar";
oArrR4[0]= "Andacollo";
oArrR4[1]= "Canela";
oArrR4[2]= "Combarbala";
oArrR4[3]= "Coquimbo";
oArrR4[4]= "Illapel";
oArrR4[5]= "La Higuera";
oArrR4[6]= "La Serena";
oArrR4[7]= "Los Vilos";
oArrR4[8]= "Monte Patria";
oArrR4[9]= "Ovalle";
oArrR4[10]= "Paiguano";
oArrR4[11]= "Punitaqui";
oArrR4[12]= "Rio Hurtado";
oArrR4[13]= "Salamanca";
oArrR4[14]= "Vicuna";
oArrR5[0]= "Algarrobo";
oArrR5[1]= "Cabildo";
oArrR5[2]= "Calera";
oArrR5[3]= "Calle Larga";
oArrR5[4]= "Cartagena";
oArrR5[5]= "Casablanca";
oArrR5[6]= "Catemu";
oArrR5[7]= "Concon";
oArrR5[8]= "El Quisco";
oArrR5[9]= "El Tabo";
oArrR5[10]= "Hijuelas";
oArrR5[11]= "Isla De Pascua";
oArrR5[12]= "Juan Fernandez";
oArrR5[13]= "La Cruz";
oArrR5[14]= "La Ligua";
oArrR5[15]= "Limache";
oArrR5[16]= "Llaillay";
oArrR5[17]= "Los Andes";
oArrR5[18]= "Nogales";
oArrR5[19]= "Olmue";
oArrR5[20]= "Panquehue";
oArrR5[21]= "Papudo";
oArrR5[22]= "Petorca";
oArrR5[23]= "Puchuncavi";
oArrR5[24]= "Putaendo";
oArrR5[25]= "Quillota";
oArrR5[26]= "Quilpue";
oArrR5[27]= "Quintero";
oArrR5[28]= "Rinconada";
oArrR5[29]= "San Antonio";
oArrR5[30]= "San Esteban";
oArrR5[31]= "San Felipe";
oArrR5[32]= "Santa Maria";
oArrR5[33]= "Santo Domingo";
oArrR5[34]= "Valparaiso";
oArrR5[35]= "Villa Alemana";
oArrR5[36]= "Vina Del Mar";
oArrR5[37]= "Zapallar";
oArrR6[0]= "Chepica";
oArrR6[1]= "Chimbarongo";
oArrR6[2]= "Codegua";
oArrR6[3]= "Coinco";
oArrR6[4]= "Coltauco";
oArrR6[5]= "Donihue";
oArrR6[6]= "Graneros";
oArrR6[7]= "La Estrella";
oArrR6[8]= "Las Cabras";
oArrR6[9]= "Litueche";
oArrR6[10]= "Lolol";
oArrR6[11]= "Machali";
oArrR6[12]= "Malloa";
oArrR6[13]= "Marchihue";
oArrR6[14]= "Mostazal";
oArrR6[15]= "Nancagua";
oArrR6[16]= "Navidad";
oArrR6[17]= "Olivar";
oArrR6[18]= "Palmilla";
oArrR6[19]= "Paredones";
oArrR6[20]= "Peralillo";
oArrR6[21]= "Peumo";
oArrR6[22]= "Pichidegua";
oArrR6[23]= "Pichilemu";
oArrR6[24]= "Placilla";
oArrR6[25]= "Pumanque";
oArrR6[26]= "Quinta De Tilcoco";
oArrR6[27]= "Rancagua";
oArrR6[28]= "Rengo";
oArrR6[29]= "Requinoa";
oArrR6[30]= "San Fernando";
oArrR6[31]= "San Vicente";
oArrR6[32]= "Santa Cruz";
oArrR7[0]= "Cauquenes";
oArrR7[1]= "Chanco";
oArrR7[2]= "Colbun";
oArrR7[3]= "Constitucion";
oArrR7[4]= "Curepto";
oArrR7[5]= "Curico";
oArrR7[6]= "Empedrado";
oArrR7[7]= "Hualane";
oArrR7[8]= "Licanten";
oArrR7[9]= "Linares";
oArrR7[10]= "Longavi";
oArrR7[11]= "Maule";
oArrR7[12]= "Molina";
oArrR7[13]= "Parral";
oArrR7[14]= "Pelarco";
oArrR7[15]= "Pelluhue";
oArrR7[16]= "Pencahue";
oArrR7[17]= "Rauco";
oArrR7[18]= "Retiro";
oArrR7[19]= "Rio Claro";
oArrR7[20]= "Romeral";
oArrR7[21]= "Sagrada Familia";
oArrR7[22]= "San Clemente";
oArrR7[23]= "San Javier";
oArrR7[24]= "San Rafael";
oArrR7[25]= "Talca";
oArrR7[26]= "Teno";
oArrR7[27]= "Vichuquen";
oArrR7[28]= "Villa Alegre";
oArrR7[29]= "Yerbas Buenas";
oArrR8[0]= "Alto Biobio";
oArrR8[1]= "Antuco";
oArrR8[2]= "Arauco";
oArrR8[3]= "Bulnes";
oArrR8[4]= "Cabrero";
oArrR8[5]= "Canete";
oArrR8[6]= "Chiguayante";
oArrR8[7]= "Chillan";
oArrR8[8]= "Chillan Viejo";
oArrR8[9]= "Cobquecura";
oArrR8[10]= "Coelemu";
oArrR8[11]= "Coihueco";
oArrR8[12]= "Concepcion";
oArrR8[13]= "Contulmo";
oArrR8[14]= "Coronel";
oArrR8[15]= "Curanilahue";
oArrR8[16]= "El Carmen";
oArrR8[17]= "Florida";
oArrR8[18]= "Hualpen";
oArrR8[19]= "Hualqui";
oArrR8[20]= "Laja";
oArrR8[21]= "Lebu";
oArrR8[22]= "Los Alamos";
oArrR8[23]= "Los Angeles";
oArrR8[24]= "Lota";
oArrR8[25]= "Mulchen";
oArrR8[26]= "Nacimiento";
oArrR8[27]= "Negrete";
oArrR8[28]= "Ninhue";
oArrR8[29]= "Niquen";
oArrR8[30]= "Pemuco";
oArrR8[31]= "Penco";
oArrR8[32]= "Pinto";
oArrR8[33]= "Portezuelo";
oArrR8[34]= "Quilaco";
oArrR8[35]= "Quilleco";
oArrR8[36]= "Quillon";
oArrR8[37]= "Quirihue";
oArrR8[38]= "Ranquil";
oArrR8[39]= "San Carlos";
oArrR8[40]= "San Fabian";
oArrR8[41]= "San Ignacio";
oArrR8[42]= "San Nicolas";
oArrR8[43]= "San Pedro De La Paz";
oArrR8[44]= "San Rosendo";
oArrR8[45]= "Santa Barbara";
oArrR8[46]= "Santa Juana";
oArrR8[47]= "Talcahuano";
oArrR8[48]= "Tirua";
oArrR8[49]= "Tome";
oArrR8[50]= "Treguaco";
oArrR8[51]= "Tucapel";
oArrR8[52]= "Yumbel";
oArrR8[53]= "Yungay";
oArrR9[0]= "Angol";
oArrR9[1]= "Carahue";
oArrR9[2]= "Chol Chol";
oArrR9[3]= "Collipulli";
oArrR9[4]= "Cunco";
oArrR9[5]= "Curacautin";
oArrR9[6]= "Curarrehue";
oArrR9[7]= "Ercilla";
oArrR9[8]= "Freire";
oArrR9[9]= "Galvarino";
oArrR9[10]= "Gorbea";
oArrR9[11]= "Lautaro";
oArrR9[12]= "Loncoche";
oArrR9[13]= "Lonquimay";
oArrR9[14]= "Los Sauces";
oArrR9[15]= "Lumaco";
oArrR9[16]= "Melipeuco";
oArrR9[17]= "Nueva Imperial";
oArrR9[18]= "Padre Las Casas";
oArrR9[19]= "Perquenco";
oArrR9[20]= "Pitrufquen";
oArrR9[21]= "Pucon";
oArrR9[22]= "Puren";
oArrR9[23]= "Renaico";
oArrR9[24]= "Saavedra";
oArrR9[25]= "Temuco";
oArrR9[26]= "Teodoro Schmidt";
oArrR9[27]= "Tolten";
oArrR9[28]= "Traiguen";
oArrR9[29]= "Victoria";
oArrR9[30]= "Vilcun";
oArrR9[31]= "Villarrica";
oArrR10[0]= "Ancud";
oArrR10[1]= "Calbuco";
oArrR10[2]= "Castro";
oArrR10[3]= "Chaiten";
oArrR10[4]= "Chonchi";
oArrR10[5]= "Cochamo";
oArrR10[6]= "Curaco De Velez";
oArrR10[7]= "Dalcahue";
oArrR10[8]= "Fresia";
oArrR10[9]= "Frutillar";
oArrR10[10]= "Futaleufu";
oArrR10[11]= "Hualaihue";
oArrR10[12]= "Llanquihue";
oArrR10[13]= "Los Muermos";
oArrR10[14]= "Maullin";
oArrR10[15]= "Osorno";
oArrR10[16]= "Palena";
oArrR10[17]= "Puerto Montt";
oArrR10[18]= "Puerto Octay";
oArrR10[19]= "Puerto Varas";
oArrR10[20]= "Puqueldon";
oArrR10[21]= "Purranque";
oArrR10[22]= "Puyehue";
oArrR10[23]= "Queilen";
oArrR10[24]= "Quellon";
oArrR10[25]= "Quemchi";
oArrR10[26]= "Quinchao";
oArrR10[27]= "Rio Negro";
oArrR10[28]= "San Juan De La Costa";
oArrR10[29]= "San Pablo";
oArrR11[0]= "Aisen";
oArrR11[1]= "Chile Chico";
oArrR11[2]= "Cisnes";
oArrR11[3]= "Cochrane";
oArrR11[4]= "Coihaique";
oArrR11[5]= "Guaitecas";
oArrR11[6]= "Lago Verde";
oArrR11[7]= 'O"Higgins';
oArrR11[8]= "Rio Ibanez";
oArrR11[9]= "Tortel";
oArrR12[0]= "Antartica";
oArrR12[1]= "Cabo De Hornos";
oArrR12[2]= "Laguna Blanca";
oArrR12[3]= "Natales";
oArrR12[4]= "Porvenir";
oArrR12[5]= "Primavera";
oArrR12[6]= "Punta Arenas";
oArrR12[7]= "Rio Verde";
oArrR12[8]= "San Gregorio";
oArrR12[9]= "Timaukel";
oArrR12[10]= "Torres Del Paine";
oArrR14[0]= "Corral";
oArrR14[1]= "Futrono";
oArrR14[2]= "La Union";
oArrR14[3]= "Lago Ranco";
oArrR14[4]= "Lanco";
oArrR14[5]= "Los Lagos";
oArrR14[6]= "Mafil";
oArrR14[7]= "Mariquina";
oArrR14[8]= "Paillaco";
oArrR14[9]= "Panguipulli";
oArrR14[10]= "Rio Bueno";
oArrR14[11]= "Valdivia";
oArrR15[0]= "Arica";
oArrR15[1]= "Camarones";
oArrR15[2]= "General Lagos";
oArrR15[3]= "Putre";
oArrRM[0] = "Todas";
oArrRM[1] = "Alhue";
oArrRM[2] = "Buin";
oArrRM[3] = "Calera De Tango";
oArrRM[4] = "Cerrillos";
oArrRM[5] = "Cerro Navia";
oArrRM[6] = "Colina";
oArrRM[7] = "Conchali";
oArrRM[8] = "Curacavi";
oArrRM[9] = "El Bosque";
oArrRM[10] = "El Monte";
oArrRM[11] = "Estacion Central";
oArrRM[12] = "Huechuraba";
oArrRM[13] = "Independencia";
oArrRM[14] = "Isla De Maipo";
oArrRM[15] = "La Cisterna";
oArrRM[16] = "La Florida";
oArrRM[17] = "La Granja";
oArrRM[18] = "La Pintana";
oArrRM[19] = "La Reina";
oArrRM[20] = "Lampa";
oArrRM[21] = "Las Condes";
oArrRM[22] = "Lo Barnechea";
oArrRM[23] = "Lo Espejo";
oArrRM[24] = "Lo Prado";
oArrRM[25] = "Macul";
oArrRM[26] = "Maipu";
oArrRM[27] = "Maria Pinto";
oArrRM[28] = "Melipilla";
oArrRM[29] = "Nunoa";
oArrRM[30] = "Padre Hurtado";
oArrRM[31] = "Paine";
oArrRM[32] = "Pedro Aguirre Cerda";
oArrRM[33] = "Penaflor";
oArrRM[34] = "Penalolen";
oArrRM[35] = "Pirque";
oArrRM[36] = "Providencia";
oArrRM[37] = "Pudahuel";
oArrRM[38] = "Puente Alto";
oArrRM[39] = "Quilicura";
oArrRM[40] = "Quinta Normal";
oArrRM[41] = "Recoleta";
oArrRM[42] = "Renca";
oArrRM[43] = "San Bernardo";
oArrRM[44] = "San Joaquin";
oArrRM[45] = "San Jose De Maipo";
oArrRM[46] = "San Miguel";
oArrRM[47] = "San Pedro";
oArrRM[48] = "San Ramon";
oArrRM[49] = "Santiago";
oArrRM[50] = "Talagante";
oArrRM[51] = "Tiltil";
oArrRM[52] = "Vitacura";