var menu = Array();
var menuShown = false;

function change_sub_menu(sub_menu){
	var currentLink = document.getElementById(sub_menu+"_link");
	var sub_menu_div=document.getElementById('sub_menu');
	if(menuShown == sub_menu){
		sub_menu_div.innerHTML='';
		currentLink.className='';
		menuShown = false;
	}
	else if(menu[sub_menu]){
		sub_menu_div.innerHTML=menu[sub_menu];
		currentLink.className='menu_a_selected';
		menuShown = sub_menu;
		
		
		if(sub_menu_div.getElementsByTagName('a')) {
			var anchors = sub_menu_div.getElementsByTagName('a');
			for(var i = 0; i < anchors.length; i++) {
				eval("anchors[i].onclick = function () { setActiveSubmenu('"+anchors[i]+"');}");
				eval("anchors[i].id = '"+anchors[i]+"';");
			}
		}
	}
	
	var temp, key;
	for (key in menu){
		temp = document.getElementById(key+'_link');
		if(key!=sub_menu){
			if(temp && temp.className){
				temp.className='';
			}
		}
	}
	setCookie('activeMenu', sub_menu, 1);
}

function select_link(link_elem){
	if(link_elem.className!='menu_a_selected'){
		link_elem.className='menu_a_selected';
	}
}

function setActiveSubmenu(activeSubMenu){
	if(getCookie('activeSubMenu')==activeSubMenu){
		activeSubMenuElem = document.getElementById(activeSubMenu);
		if(activeSubMenuElem){
			activeSubMenuElem.className = 'activeSubMenu';
		}
	}
	setCookie('activeSubMenu', activeSubMenu, 1);
}

function on_enter_submit(e, func){
	var keynum;
	
	if(window.event) // IE
	{
		keynum = e.keyCode;
	}
	else if(e.which) // Netscape/Firefox/Opera
	{
		keynum = e.which;
	}
	if(keynum==13){
		eval(func);
	}
}

function stripMainMenuSpaces(){
	var main_menu=document.getElementById('main_menu');
	var myregexp = />[\r\n\s\t]*/g;
	main_menu.innerHTML = main_menu.innerHTML.replace(myregexp, ">");
}

function search_ad(){
	var title = document.getElementById('search_title').value;
	var url = document.getElementById('url').value;
	
	if(title=='title'){
		title='';
	}
	if(url=='URL'){
		url='';
	}
	
	if(!title && !url){
		alert('Please enter the title \n or ad URL!');
		return;
	}
	window.location=SITE_URL+"/admin/index.php?op=ad&what=search&ad_title="+title+"&url="+url;
}