function checkBrowser()
{
	var browsername = navigator.userAgent;
	
	if (browsername.indexOf("MSIE")!=-1) 
	{
		browsername="MSIE";
	}
	else
	{
		browsername="MOZ";
	}
   return(browsername);
}  

function action(id,id_ro,effect)
{
    document.getElementById(id).style.display='none';
    document.getElementById(id_ro).style.display='';
    document.getElementById(id_ro).align='center';
    document.getElementById(id_ro).onmouseout='';
    if(effect)
    {
        slide();
    }
}