function reveal_menu_login()
{
	document.getElementById('login__div').style.top = "0px"; 
	document.getElementById('img_login_bg').style.backgroundImage = "url(images/menu_rollover_bg2.gif)"; 
	document.img_login_1.src = "images/menu_rollover_leftb.gif"; 
	document.img_login_2.src = "images/menu_rollover_arrow_down.gif"; 
	document.img_login_3.src = "images/menu_rollover_rightb.gif"; 
}

function hide_menu_login()
{
	document.getElementById('login__div').style.top = "-500px"; 
	document.getElementById('img_login_bg').style.backgroundImage = "url(images/menu_rollover_bg.gif)"; 
	document.img_login_1.src = "images/menu_rollover_left.gif"; 
	document.img_login_2.src = "images/menu_rollover_arrow_left.gif"; 
	document.img_login_3.src = "images/menu_rollover_right.gif"; 
}


function reveal_menu_join()
{
	document.getElementById('join__div').style.top = "0px"; 
	document.getElementById('img_join_bg').style.backgroundImage = "url(images/menu_rollover_bg2.gif)"; 
	document.img_join_1.src = "images/menu_rollover_leftb.gif"; 
	document.img_join_2.src = "images/menu_rollover_arrow_down.gif"; 
	document.img_join_3.src = "images/menu_rollover_rightb.gif"; 
}

function hide_menu_join()
{
	document.getElementById('join__div').style.top = "-500px"; 
	document.getElementById('img_join_bg').style.backgroundImage = "url(images/menu_rollover_bg.gif)"; 
	document.img_join_1.src = "images/menu_rollover_left.gif"; 
	document.img_join_2.src = "images/menu_rollover_arrow_left.gif"; 
	document.img_join_3.src = "images/menu_rollover_right.gif"; 
}