var but=new Array(12)

var loaded=false

for(i=0;i<12;i++) but[i]=new Image



function images_preload(){

but[0].src="/img/news.jpg";

but[1].src="/img/about.jpg";

but[2].src="/img/guaranty.jpg";

but[3].src="/img/buy.jpg";

but[4].src="/img/scheme.jpg";

but[5].src="/img/contacts.jpg";



but[6].src="/img/news.gif";

but[7].src="/img/about.gif";

but[8].src="/img/guaranty.gif";

but[9].src="/img/buy.gif";

but[10].src="/img/scheme.gif";

but[11].src="/img/contacts.gif";

loaded=true

}

function Focus (N, S) {on(N,S,1)}

function Blur (N, S) {on(N,S,0)}



function on(N,S,switcher){



button = document.getElementById("but"+N)

if(loaded) {

	button.src=(switcher?(but[N-1].src):(but[N-1+6].src))

	document.getElementById('limg'+N).style.display=switcher?"block":"none";

	document.getElementById('rimg'+N).style.display=switcher?"block":"none";

}



}