var img;
function preload(root){
img=new Array(6);

img[0]=new Array(2);
img[0][0]=new Image();
img[0][0].src = root+"i/nashi.gif";
img[0][1]=new Image();
img[0][1].src = root+"i/nashi-b.gif";
img[1]=new Array(2);
img[1][0]=new Image();
img[1][0].src = root+"i/company.gif";
img[1][1]=new Image();
img[1][1].src = root+"i/company-b.gif";
img[2]=new Array(2);
img[2][0]=new Image();
img[2][0].src = root+"i/projects.gif";
img[2][1]=new Image();
img[2][1].src = root+"i/projects-b.gif";
img[3]=new Array(2);
img[3][0]=new Image();
img[3][0].src = root+"i/exclusive.gif";
img[3][1]=new Image();
img[3][1].src = root+"i/exclusive-b.gif";
img[4]=new Array(2);
img[4][0]=new Image();
img[4][0].src = root+"i/postroiki.gif";
img[4][1]=new Image();
img[4][1].src = root+"i/postroiki-b.gif";
img[5]=new Array(2);
img[5][0]=new Image();
img[5][0].src = root+"i/info.gif";
img[5][1]=new Image();
img[5][1].src = root+"i/info-b.gif";
img[6]=new Array(2);
img[6][0]=new Image();
img[6][0].src = root+"i/contact.gif";
img[6][1]=new Image();
img[6][1].src = root+"i/contact-b.gif";
}

function chngImg(id,bool){
if(bool){
eval("document.img"+id).src=img[id-1][1].src;
}else{
eval("document.img"+id).src=img[id-1][0].src;
}
}