/*if (document.images)
{
	img1 = new Image();	img1.src = "i/bcontactb.png";
	img2 = new Image();	img2.src = "i/binfob.png";
	img3 = new Image();	img3.src = "i/blogb.png";
	img4 = new Image();	img4.src = "i/bworksb.png";
	img5 = new Image();	img5.src = "i/l.gif";
}*/
	
function chButton(imagename,ext,s)
{
	if(s) document[imagename].src = 'i/b'+imagename+'0.'+ext;
	else document[imagename].src = 'i/b'+imagename+'1.'+ext;
}