/* Browser check*/

bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
var NN4 = (bName == "Netscape" && bVer == 4);
var NN6 = (bName == "Netscape" && bVer >= 5);
var IE4 = (bName == "Microsoft Internet Explorer" && bVer == 4);
var IE5 = (document.all && document.getElementById)? true : false;

/* End browser check*/

/* Image array */

var menu = new Array();

menu[0] = new Image(); menu[0].src = "/english/images/navi/ev.gif";
menu[1] = new Image(); menu[1].src = "/english/images/navi/ev_on.gif";
menu[2] = new Image(); menu[2].src = "/english/images/navi/profile.gif";
menu[3] = new Image(); menu[3].src = "/english/images/navi/profile_on.gif";
menu[4] = new Image(); menu[4].src = "/english/images/navi/pol.gif";
menu[5] = new Image(); menu[5].src = "/english/images/navi/pol_on.gif";
menu[6] = new Image(); menu[6].src = "/english/images/navi/ems.gif";
menu[7] = new Image(); menu[7].src = "/english/images/navi/ems_on.gif";
menu[8] = new Image(); menu[8].src = "/english/images/navi/aud.gif";
menu[9] = new Image(); menu[9].src = "/english/images/navi/aud_on.gif";
menu[10] = new Image(); menu[10].src = "/english/images/navi/eco.gif";
menu[11] = new Image(); menu[11].src = "/english/images/navi/eco_on.gif";
menu[12] = new Image(); menu[12].src = "/english/images/navi/ecobiz.gif";
menu[13] = new Image(); menu[13].src = "/english/images/navi/ecobiz_on.gif";
menu[14] = new Image(); menu[14].src = "/english/images/navi/pub.gif";
menu[15] = new Image(); menu[15].src = "/english/images/navi/pub_on.gif";
menu[16] = new Image(); menu[16].src = "/english/images/navi/lca.gif";
menu[17] = new Image(); menu[17].src = "/english/images/navi/lca_on.gif";
menu[18] = new Image(); menu[18].src = "/english/images/navi/dfe.gif";
menu[19] = new Image(); menu[19].src = "/english/images/navi/dfe_on.gif";
menu[20] = new Image(); menu[20].src = "/english/images/navi/ecop.gif";
menu[21] = new Image(); menu[21].src = "/english/images/navi/ecop_on.gif";
menu[22] = new Image(); menu[22].src = "/english/images/navi/carbonfoot.gif";
menu[23] = new Image(); menu[23].src = "/english/images/navi/carbonfoot_on.gif";

/* subnavigation */

/* End image array */

//alert(menu[0])
//writeArray();


/* Change image */

function changeImg(name,num,lName){
	if(NN4){
		if(lName == ''){
			document.images[name].src = menu[num].src;
		}
		else{
		//alert("test");
			document.layers[lName].document.images[name].src = menu[num].src;
		}
	}
	
	else if(IE4 || IE5 || NN6){
		document.images[name].src = menu[num].src;
	}
}

/* Restore image*/
function restoreImg(name,num,lName){
	if(NN4){
		if(lName == ''){
		 	document.images[name].src = menu[num].src;
		 }
		 else{
		 	document.layers[lName].document.images[name].src = menu[num].src;
		 }
	}
	if(NN6 || IE4 || IE5){
		document.images[name].src = menu[num].src;
	}
}

/* View submenu layer */
//
var LLn = 9;			//
var DLn = "Layer";		//
var t = 1000;		//
//


//
timerID = 10;
function cleartime(){
	clearTimeout(timerID);
}
function hideLay(){
	timerID = setTimeout("hideAll()", t)
}


//
function hideAll(){
cleartime();
	if(NN4){
		for(i = 1 ; i <= LLn ; i++){
			document.layers[DLn + i].visibility = "hidden";
		}
	}	//NN4
	if(IE4 == true){
		for(i = 1 ; i <= LLn ; i++){
			document.all(DLn + i).style.visibility = "hidden";
		}
	}	//IE4
	if((NN6 == true) || (IE5 == true)){
		for(i = 1 ; i <= LLn ; i++){
			document.getElementById(DLn + i).style.visibility = "hidden";
		}
	}	//NN6
}

//
function showMenu(layName){
hideAll();
	if(NN4 == true){
	if((document.layers[layName].visibility) == "hide"){
		document.layers[layName].visibility = "show";
		}
	}	//NN4
	if(IE4 == true){
	if((document.all(layName).style.visibility) == "hidden"){
		document.all(layName).style.visibility = "visible";
		}
	}	//IE4
	if((NN6 == true) || (IE5 == true)){
	if((document.getElementById(layName).style.visibility) == "hidden"){
		document.getElementById(layName).style.visibility = "visible";
		}
	}	//NN6
}