menu_status = new Array();

function showHide(theid){
    if (document.getElementById) {
    var switch_id = document.getElementById(theid);

        if(menu_status[theid] != 'show') {
           switch_id.className = 'show';
           menu_status[theid] = 'show';
        }else{
           switch_id.className = 'hide';
           menu_status[theid] = 'hide';
        }
		
    }
}

function showHide_nav(id){
	with (document.getElementById("ul_" + id).style){ 
		display = display!='block' ? 'block' : 'none'; 
	}
}


var panels = new Array('panel1', 'panel2');
var selectedTab = null;
function showPanel(tab, name){

	if (selectedTab) {
		selectedTab.className = 'tab';
	}
	
	selectedTab = tab;
	selectedTab.className = 'tab_active';
	

	for(i = 0; i < panels.length; i++)
	  document.getElementById(panels[i]).style.display = (name == panels[i]) ? 'block':'none';

	return false;
}