function overMenu(menu) { 
	m = document.getElementById(menu);
	m.style.backgroundImage = 'url(img/menu_over.gif)';
}
function outMenu() { m.style.backgroundImage = ''; }

function overSubmenu(submenu) { 
	s = document.getElementById(submenu);
	s.bgColor='#0D2534'; 
}

function outSubmenu() { s.bgColor='#153E56'; } 

function overSubsubmenu(submenu) { 
	s = document.getElementById(submenu);
	s.bgColor='#2E6485'; 
}
function outSubsubmenu() { s.bgColor='#26546F'; } 


function overNews(td) { td.bgColor='#F1FAFC'; }
function outNews(td) { td.bgColor=''; }



function MM_openBrWindow (theURL,winName,ancho,alto){

   w = screen.availWidth;
   h = screen.availHeight;


var popW = ancho, popH = alto;

var leftPos = (w-popW)/2, topPos = (h-popH)/2;

window.open(theURL,winName,'width=' + popW + ',height=' + popH + ',top=' + topPos + ',left=' + leftPos + ',scrollbars=1');
}