var current_tab="h";

function home_lit()
{
 window.status="";
 if (current_tab!="h") document.htab.src="h-tab-pointed.gif";
}

function home_out()
{
 if (current_tab!="h") document.htab.src="h-tab-normal.gif";
}

function home_on()
{
 document.htab.src="h-tab-selected.gif";
 document.hrctab.src="hrc-tab-normal.gif";
 document.glosstab.src="g-tab-normal.gif";
 document.mctab.src="m-tab-normal.gif";
}

function hrc_lit()
{
 window.status="";
 if (current_tab!="r") document.hrctab.src="hrc-tab-pointed.gif";
}

function hrc_out()
{
 if (current_tab!="r") document.hrctab.src="hrc-tab-normal.gif";
}

function hrc_on()
{
 document.htab.src="h-tab-normal.gif";
 document.hrctab.src="hrc-tab-selected.gif";
 document.glosstab.src="g-tab-normal.gif";
 document.mctab.src="m-tab-normal.gif";
}

function g_lit()
{
 window.status="";
 if (current_tab!="g") document.glosstab.src="g-tab-pointed.gif";
}

function g_out()
{
 if (current_tab!="g") document.glosstab.src="g-tab-normal.gif";
}

function g_on()
{
 document.htab.src="h-tab-normal.gif";
 document.hrctab.src="hrc-tab-normal.gif";
 document.glosstab.src="g-tab-selected.gif";
 document.mctab.src="m-tab-normal.gif";
}

function m_lit()
{
 window.status="";
 if (current_tab!="m") document.mctab.src="m-tab-pointed.gif";
}

function m_out()
{
 if (current_tab!="m") document.mctab.src="m-tab-normal.gif";
}

function m_on()
{
 document.htab.src="h-tab-normal.gif";
 document.hrctab.src="hrc-tab-normal.gif";
 document.glosstab.src="g-tab-normal.gif";
 document.mctab.src="m-tab-selected.gif";
}