function show_disp(me){
	document.getElementById(me).style.display = "";
}

function hide_disp(me){
	document.getElementById(me).style.display = "none";
}

function chgsize(me){
	document.getElementById(me).tag = document.getElementById(me).width
	document.getElementById(me).tag1 = document.getElementById(me).height
	document.getElementById(me).style.width = "100%"
	document.getElementById(me).style.height = "100%"
	if (me == 'Upstatepic' ) show_disp('topcenter')
	if (me == 'wwofpic' ) show_disp('wwofcenter')
	if (me == 'iflypic' ) show_disp('iflycenter')
	if (me == 'airnavpic' ) show_disp('airnavcenter')
	if (me == 'iflypic' ) 
		{
			hide_disp('test')
			show_disp('iflycenter');
		}	
	if (me == 'studentpic' )
		{
			hide_disp('outerdiv2')
			show_disp('outerdiv3');
		}
}

function sizeback(me){
	document.getElementById(me).style.width = document.getElementById(me).tag;
	document.getElementById(me).style.height = document.getElementById(me).tag1;
	if (me == 'studentpic' ) hide_disp('outerdiv3')
	if (me == 'Upstatepic' ) hide_disp('topcenter')
	if (me == 'wwofpic' ) hide_disp('wwofcenter')
	if (me == 'iflypic' ) hide_disp('iflycenter')
	if (me == 'airnavpic' ) hide_disp('airnavcenter')
	if (me == 'aviationpic' ) hide_disp('aviationdiv');
}

function disp_alert(me)
{
alert("This tool is for flight planning purposes only." + '\n\n' + "This tool does not preclude you from using the POH." + '\n' + "Always refer to the aircraft's POH for the correct data.");
if (me == 'wb_35M')
	{
	window.open("weight_and_balance/35MC_WB.xls");
	}
else
	{
	window.open("weight_and_balance/N8198V_WB.xls");
	}
}

function chg_class(me,class_name)
{
document.getElementById(me).className = class_name;
}