var bg ;
bg = Math.floor(Math.random()*5) ;
if(bg==1) {
	document.write('<LINK REL="stylesheet" type="text/css" href="../../css/style00.css">') ;
} else if(bg==2) {
	document.write('<LINK REL="stylesheet" type="text/css" href="../../css/style01.css">') ;
} else if(bg==3) {
	document.write('<LINK REL="stylesheet" type="text/css" href="../../css/style02.css">') ;
} else if(bg==4) {
	document.write('<LINK REL="stylesheet" type="text/css" href="../../css/style05.css">') ;
} else {
	document.write('<LINK REL="stylesheet" type="text/css" href="../../css/style06.css">') ;
}