var menuOut = new Array();
var menuOver = new Array();
var menuSubOut = new Array();
var menuSubOver = new Array();
var activeMenu = -1;

/*IMAGENS DO MENU*/
menuOut[0] = "i/link_home_out.gif";
menuOver[0] = "i/link_home_over.gif";

menuOut[1] = "i/link_company_out.gif";
menuOver[1] = "i/link_company_over.gif";

menuOut[2] = "i/link_location_out.gif";
menuOver[2] = "i/link_location_over.gif";

menuOut[3] = "i/link_services_out.gif";
menuOver[3] = "i/link_services_over.gif";

menuOut[4] = "i/link_agent_out.gif";
menuOver[4] = "i/link_agent_over.gif";

menuOut[5] = "i/link_new_out.gif";
menuOver[5] = "i/link_new_over.gif";

menuOut[6] = "i/link_contact_out.gif";
menuOver[6] = "i/link_contact_over.gif";

/*IMAGENS DO SUBMENU*/
menuSubOut[0] = "i/link_services_international_out.gif";
menuSubOver[0] = "i/link_services_international_over.gif";

menuSubOut[1] = "i/link_services_aircargo_out.gif";
menuSubOver[1] = "i/link_services_aircargo_over.gif";

menuSubOut[2] = "i/link_services_customs_out.gif";
menuSubOver[2] = "i/link_services_customs_over.gif";

menuSubOut[3] = "i/link_services_trucking_out.gif";
menuSubOver[3] = "i/link_services_trucking_over.gif";

menuSubOut[4] = "i/link_services_cargo_out.gif";
menuSubOver[4] = "i/link_services_cargo_over.gif";

menuSubOut[5] = "i/link_services_warehousing_out.gif";
menuSubOver[5] = "i/link_services_warehousing_over.gif";

menuSubOut[6] = "i/link_services_itsolutions_out.gif";
menuSubOver[6] = "i/link_services_itsolutions_over.gif";

menuSubOut[7] = "i/link_services_projects_out.gif";
menuSubOver[7] = "i/link_services_projects_over.gif";

function ShowMenu(item){
	if(IsObject(item)){
		ConvertToObject(item).style.display = '';
	}
}

function HiddenMenu(item){
	if(IsObject(item)){
		ConvertToObject(item).style.display = 'none';
	}
}

function IsObject(object){
	return (document.getElementById(object) != 'undefined' && document.getElementById(object) != null);
}

function ConvertToObject(item){
	return document.getElementById(item);
}

function Rollover(index,e){
	var image = ConvertToObject("img_" + index);
	if(e.type == "mouseover"){
		image.src = menuOver[index];
	}else if(e.type == "click"){
		image.src = menuOver[index];
		activeMenu = index;
	}else{
		if(activeMenu != index)
			image.src = menuOut[index];		
	}
	//ResetImage(index);
}

function ResetImage(index){
	for(var i=0; i < menuOut.length; i++){
		if(i != index && activeMenu != index){
			var image = ConvertToObject("img_" + i);
			image.src = menuOut[i];
		}
	}
}

function RolloverSub(index,e){
	var image = ConvertToObject("imgSub_" + index);
	if(e.type == "mouseover"){
		image.src = menuSubOver[index];
	}else{
		image.src = menuSubOut[index];		
	}
	//ResetImage(index);
}