// JavaScript Document

function seleccionadoVisible(){
	var navRoot = document.getElementById("menu");
	var j = 0;
	for(var i = 0; i < navRoot.childNodes.length; i++){
		node = navRoot.childNodes[i];
		if(node.nodeName == "LI" || node.nodeName == "li"){
			var nodeClassName = node.getElementsByTagName("a")[0].className;
			var nodeClassNameLen = nodeClassName.length;
			var activo = "Activo"
			var activoLen = activo.length;
			var esActivo = false;
			if(nodeClassNameLen > activoLen){
				var posIni = nodeClassNameLen - activoLen;
				if(nodeClassName.substring(posIni) == activo){
					esActivo = true;
				}
			}
			if(esActivo){
				// a piñon
				switch(j){
					case 0:
						node.getElementsByTagName("a")[0].style.backgroundImage = "url(media/img/m01_laempresa_over.gif)";
					break;
					case 1:
						node.getElementsByTagName("a")[0].style.backgroundImage = "url(media/img/m02_servicios_over.gif)";
					break;
					case 2:
						node.getElementsByTagName("a")[0].style.backgroundImage = "url(media/img/m03_calidad_over.gif)";
					break;
					case 3:
						node.getElementsByTagName("a")[0].style.backgroundImage = "url(media/img/m04_actividades_comp_over.gif)";
					break;
					case 4:
						node.getElementsByTagName("a")[0].style.backgroundImage = "url(media/img/m05_descargas_over.gif)";
					break;
					case 5:
						node.getElementsByTagName("a")[0].style.backgroundImage = "url(media/img/m06_actualidad_over.gif)";
					break;
					default:
						//alert("opción no definida");
					break;
				} // end condition
				node.getElementsByTagName("ul")[0].style.display = "block";
			}
			j++;
		}
	}
}

function seleccionadoNoVisible(){
	var navRoot = document.getElementById("menu");
	var j = 0;
	for(var i = 0; i < navRoot.childNodes.length; i++){
		node = navRoot.childNodes[i];
		if(node.nodeName == "LI" || node.nodeName == "li"){
			var nodeClassName = node.getElementsByTagName("a")[0].className;
			var nodeClassNameLen = nodeClassName.length;
			var activo = "Activo"
			var activoLen = activo.length;
			var esActivo = false;
			if(nodeClassNameLen > activoLen){
				var posIni = nodeClassNameLen - activoLen;
				if(nodeClassName.substring(posIni) == activo){
					esActivo = true;
				}
			}
			if(esActivo){
				switch(j){
					case 0:
						node.getElementsByTagName("a")[0].style.backgroundImage = "url(media/img/m01_laempresa_ok.gif)";
					break;
					case 1:
						node.getElementsByTagName("a")[0].style.backgroundImage = "url(media/img/m02_servicios_ok.gif)";
					break;
					case 2:
						node.getElementsByTagName("a")[0].style.backgroundImage = "url(media/img/m03_calidad_ok.gif)";
					break;
					case 3:
						node.getElementsByTagName("a")[0].style.backgroundImage = "url(media/img/m04_actividades_comp_ok.gif)";
					break;
					case 4:
						node.getElementsByTagName("a")[0].style.backgroundImage = "url(media/img/m05_descargas_ok.gif)";
					break;
					case 5:
						node.getElementsByTagName("a")[0].style.backgroundImage = "url(media/img/m06_actualidad_ok.gif)";
					break;
					default:
						//alert("opción no definida");
					break;
				} // end condition
				node.getElementsByTagName("ul")[0].style.display = "none";
			}
			j++;
		}
	}
}

function startList(){
	var navRoot = document.getElementById("menu");
	for(var i = 0; i < navRoot.childNodes.length; i++){
		node = navRoot.childNodes[i];
		if(node.nodeName == "LI" || node.nodeName == "li"){
			var nodeClassName = node.getElementsByTagName("a")[0].className;
			var nodeClassNameLen = nodeClassName.length;
			var activo = "Activo"
			var activoLen = activo.length;
			var esActivo = false;
			if(nodeClassNameLen > activoLen){
				var posIni = nodeClassNameLen - activoLen;
				if(nodeClassName.substring(posIni) == activo){
					esActivo = true;
				}
			}
			if(!esActivo){
				node.onmouseover = function(){
					seleccionadoNoVisible();
					this.className += " over";
					this.getElementsByTagName("ul")[0].style.display = "block";
				}
				node.onmouseout = function(){
					seleccionadoVisible();
					this.className = this.className.replace(" over", "");
					this.getElementsByTagName("ul")[0].style.display = "none";
				}
			}
		}
	}
}