function show_dropmenu()
{
	document.getElementById('dropmenu').style.display='';
}

function hide_dropmenu()
{
	document.getElementById('dropmenu').style.display='none';
}

function show_dropmenu1()
{
	document.getElementById('dropmenu1').style.display='';
}

function hide_dropmenu1()
{
	document.getElementById('dropmenu1').style.display='none';
}

function show_dropmenu2()
{
	document.getElementById('dropmenu2').style.display='';
}

function hide_dropmenu2()
{
	document.getElementById('dropmenu2').style.display='none';
}