function show_prints()
{
	document.getElementById("prints_panel").style.display = "";
	document.getElementById("tvcs_panel").style.display = "none";
	
	document.getElementById("prints_tab_on").style.display = "";
	document.getElementById("prints_tab_off").style.display = "none";
	document.getElementById("tvcs_tab_on").style.display = "none";
	document.getElementById("tvcs_tab_off").style.display = "";
}

function show_tvcs()
{
	document.getElementById("prints_panel").style.display = "none";
	document.getElementById("tvcs_panel").style.display = "";
	
	document.getElementById("prints_tab_on").style.display = "none";
	document.getElementById("prints_tab_off").style.display = "";
	document.getElementById("tvcs_tab_on").style.display = "";
	document.getElementById("tvcs_tab_off").style.display = "none";
}