function make_banner_inv(banner,timeout){
window.setTimeout('show_hide("banner","hide")', timeout);

}


function show_hide(layername,what_to_do){

var microsoft=chk_browser_name();

if(microsoft)
{	if(what_to_do=="show")
		show_layer(layername);
	else
		hide_layer(layername);
}

}

function chk_browser_name(){
if(navigator.appName.indexOf("Microsoft") != -1)
	return 1;
else
	return 1;
}

function show_layer(layername){

var obj=document.getElementById(layername);
obj.style.display='';

}

function hide_layer(layername){

var obj=document.getElementById(layername);
obj.style.display='none' ;
/*obj.style.z-index=2 ;*/
}