function getCatsBusqAvanzada(){
		var madre = document.getElementById('madre_baz');
		var opcion = madre.options[madre.selectedIndex].value;

		if (opcion == -1){
			document.getElementById('categoria_baz').options.length = null;
			document.getElementById('subcategoria_baz').options.length = null;
			return false;
		}
		var oBackMadre_baz = {success:okMadre_baz, failure:badMadre_baz};
		YAHOO.util.Connect.asyncRequest("POST", "buscador_get_data.php", oBackMadre_baz, "opcion="+escape(opcion));
	}
	var badMadre_baz = function(o){}
	var okMadre_baz = function(o){
		var results = o.responseText;
		var oSelCat = document.getElementById('categoria_baz');
		var oSubcategoria = document.getElementById('subcategoria_baz');
		var aResults = results.split('_;_');
		var xResults = new Array();

		oSelCat.options.length = null;
		oSubcategoria.options.length = null;

		for(var i=0; i<aResults.length; i++){
			xResults = aResults[i].split('_,_');

			oSelCat.options[i] = new Option(xResults[1]);
			oSelCat.options[i].value = xResults[0];
		}
	}
/*---------------------------------------------------------------------------------------------*/
	function getSubsBusqAvanzada(){
		var categoria = document.getElementById('categoria_baz');
		var opcion1 = categoria.options[categoria.selectedIndex].value;

		if (opcion1 == -1){
			document.getElementById('subcategoria_baz').options.length = null;
			return false;
		}
		var oBackCategoria_baz = {success:okCategoria_baz,failure:badCategoria_baz};
		YAHOO.util.Connect.asyncRequest("POST", "buscador_get_data.php", oBackCategoria_baz, "opcion1="+escape(opcion1));
	}
	var badCategoria_baz = function(o){}
	var okCategoria_baz = function(o){
		var results  = o.responseText;
		var oSelSubs = document.getElementById('subcategoria_baz');
		var aResults = results.split('_;_');
		var xResults = new Array();

		oSelSubs.options.length = null;

		for(var i=0; i<aResults.length; i++){
			xResults = aResults[i].split('_,_');

			oSelSubs.options[i] = new Option(xResults[1]);
			oSelSubs.options[i].value = xResults[0];
		}
	}