function openwin(vnum)
{
	var vnewwin = document.getElementById("newwin"+vnum)
	var vnewif = document.getElementById("newif"+vnum)
	var vnewname = "newwin"+vnum;
	var EY2 = vnewwin.offsetHeight;
	vnewif.style.height = EY2;
	if(vnewwin.style.visibility == 'hidden' )
	{
		var vch = true;
		vnewwin.style.visibility = 'inherit';
		vnewif.style.visibility = 'inherit';
	}
	else
	{
		var vch = false;
		vnewwin.style.visibility = 'hidden';
		vnewif.style.visibility = 'hidden';
	}
}