function showhide(whichone)
{
    if (document.getElementById(whichone)) 
	{ 
	    if (document.getElementById(whichone).style.display == 'none')
	        document.getElementById(whichone).style.display = '';
	    else
	       document.getElementById(whichone).style.display = 'none';
	}
}

function HideMulti(firstpart) {
    var i = 1;
    while (document.getElementById(firstpart + i) != null) 
    {
        Element.hide(firstpart + i);
        i++
    }
}

function hideallshowone(whichone,whichstart,howmany) 
{
    for( var i = 0; i <= howmany; i++) 
	{
	    if (document.getElementById(whichstart+i)) 
		{ 
		    document.getElementById(whichstart+i).style.display = 'none' 
        }
    }
    document.getElementById(whichone).style.display = 'inline'	
}

function popupmusic() 
{
    newpage = window.open('http://www.diabloenergy.com/music/musicplayer.asp', 'MusicPlayer', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=308,height=308');
}