// JavaScript Document

function ChangeMenu(categoria, NewPage){
	var menu = document.getElementById(categoria);
	if (menu) {
		if(menu.className == "show_menu"){
			menu.className = "hide_menu";
		} else {
			menu.className = "show_menu";
		}
		if (NewPage) {
			if (document.location.href.indexOf(NewPage) == -1) {
				document.location.href = NewPage+"?menu="+categoria;
			}
		}
	}
}

function ChangeOption(option){
 var theOption = document.getElementById(option);
 if (theOption) {
  theOption.style.color = "#c1272d";
 }
}


var params = new Array();

function getParams() {
	var idx = document.URL.indexOf('?');
	var params = new Array();
	if (idx != -1) {
		var pairs = document.URL.substring(idx+1, document.URL.length).split('&');
		for (var i=0; i<pairs.length; i++) {
			nameVal = pairs[i].split('=');
			params[nameVal[0]] = nameVal[1];
		}
	}
	return params;
}

params = getParams();

function SelectMenu() {
	if (params["sub"] || params["menu"]) {
			menu = unescape(params["menu"]);
			sub = unescape(params["sub"]);
			if (menu) {
				ChangeMenu(menu);
			}
			if (sub) {
				ChangeOption(sub);
			}
	}
}

window.onload = function() { SelectMenu(); }