function open_full(surname)
{
  window.open('lecturers/'+surname+'.html', 'newWin', 'Toolbar=0, Location=0, Directories=0, Status=0, Menubar=0, Scrollbar=0, Resizable=yes, Copyhistory=1, Width=650, Height=530, top=50, left=100');
}

function func_settimeout(s, timeout_id)
{
	s_elem = "#s"+s;
	timeout_id = window.setTimeout('$("'+s_elem+'").hide()', 500);
	return timeout_id;
}

function change_employee_fields()
{
	if (form1.employee_section.value==1)
	{
		document.getElementById('lecture').style.display = 'block';
		document.getElementById('administration').style.display = 'none';
	}
	else
	{
		document.getElementById('lecture').style.display = 'none';
		document.getElementById('administration').style.display = 'block';
	}
}

function show_hide(elem)
{
	if (document.getElementById(elem).style.display=='none')
	{
		document.getElementById(elem).style.display='block';
	}
	else
	{
		document.getElementById(elem).style.display='none';
	}
}

function fromcolor(elem)
{
	document.getElementById(elem).style.background="#FFFFFF";
}

function tocolor(elem)
{
	document.getElementById(elem).style.background="#ffffe6";
}

function graytocolor_blocks_images(elem1,elem2)
{
	document.getElementById("bg_elem"+elem1).style.filter="";
	document.getElementById("bg_elem"+elem2).style.filter="";
}

function colortogray_blocks_images()
{
	document.getElementById("bg_elem1").style.filter="gray";
	document.getElementById("bg_elem2").style.filter="gray";
	document.getElementById("bg_elem3").style.filter="gray";
	document.getElementById("bg_elem4").style.filter="gray";
}

function show_blocks_images(elem1, elem2)
{
	graytocolor_blocks_images(elem1,elem2);
}

function hide_blocks_images()
{
	colortogray_blocks_images();
}