function solution(state)
{
	if(!state){}
	else{
		document.getElementById('_submenu').style.display='block';
		document.getElementById('_submenu-hide').style.display='block';
	}
}
function submenu(state)
{
	if(!state){}
	else{
		document.getElementById('_submenu').style.display='block';
		document.getElementById('_submenu-hide').style.display='none';
	}
}
function submenu_over(state)
{
	if(!state){}
	else{
		document.getElementById('_submenu').style.display='block';
		document.getElementById('_submenu-hide').style.display='block';
	}
}