function writeJS(){
var str='';
str+='<div id="mainfooter">';
document.write(str);
}
function writeFx(){
var str='';
str+='<div id="mainrealFire">';
document.write(str);
}
function writeSafari(){
var str='';
str+='';
document.write(str);
}
function writeSafari1024(){
var str='';
str+='';
document.write(str);
}

if(IE8 || IE7 || IE6)
writeJS();
else if(FIREFOX2 || FIREFOX)
writeFx();
else if(NETSCAPE7 || NETSCAPE)
writeJS();
else if(OPERA9 || OPERA)
writeJS();
else if(AUTRE && screen.width > 1024)
writeSafari();
else if(AUTRE && screen.width <= 1024)
writeSafari1024();