comb javascript whit more javascript HELP

[laursenj]

i got this javasciptcode:

<script type="text/javascript">
window.onload = function(){
    var now = new Date();
	var hour = now.getHours();
	var vwimg = "";
	if(hour < 19 & hour >= 6){						//Daytime(6h - 19h) 
		vwimg = "http://www.whatever.com/link1";
	}else if(hour <= 24 & hour >= 19){				//Night (19h - 6h) 
		vwimg = "http://www.whatever.com/link2"; 
	}else if(hour < 6 & hour >=0){
		vwimg = "http://www.whatever.com/link2";
	}
	document.getElementById("linkContainer").innerHTML="<a href='"+vwimg+"'>"+vwimg+"</a>";
}
</script>

if enyone can help me to add a rediecting in to it