function opct(ob,opq) { opq = parseInt(opq); opqs = String(opq/100)+"0"; opqs = opqs.substr(1,3); ob.style.opacity = opqs; ob.style.MozOpacity = (opq/100); ob.style.WebkitOpacity = (opq/100); ob.style.KhtmlOpacity = (opq/100); ob.style.filter = "alpha(opacity="+(opq)+")"; ob.style.MsFilter = "'progid:DXImageTransform.Microsoft.Alpha(opacity="+(opq)+")'"; }
function nybg() { 
    var bkdv = document.getElementById("bkdv");
    bgdv.style.position="absolute"; opct(bgdv,0)
    bgdv.style.visibility = "visible";
    bgdv.style.width="100%"; bgdv.style.height="1150px";
    bgdv.style.top="0px"; bgdv.style.left="0px";
    bgdv.style.right="0px"; bgdv.style.bottom="0px";
    bgdv.style.zIndex="0";
    setTimeout("mbgdv(1)",5000);
}
function mbgdv(crimg) { var imgi = (Math.floor(Math.random()*12)+1); if(imgi==crimg) { mbgdv(crimg); } else { prepimg(imgi); } }
function prepimg(imgi) { document.getElementById("prepimg").src = ('img/ny/bg'+imgi+'.jpg'); }
function imgk(imgo) { var s = imgo.src; s = s.substr((s.indexOf("/bg")+3)); doswbg(s.substr(0,s.indexOf("."))); }
function doswbg(imgi) { var bgdv = document.getElementById("bgdv"); bgdv.style.background="url('img/ny/bg"+imgi+".jpg') no-repeat center top"; swbg(imgi,0); }
function swbg(imgi,opq) {
    var bgdv = document.getElementById("bgdv"); opct(bgdv,opq); bgdv.style.visibility = "visible";
    if(opq<100) {
	opq = parseInt(opq) + 5; setTimeout("swbg('"+imgi+"','"+opq+"')",1);
    } else {
        opct(bgdv,0); document.body.style.background="url('img/ny/bg"+imgi+".jpg') no-repeat center top"; bgdv.style.visibility = "hidden";
        setTimeout("mbgdv("+imgi+")",9000);
    }
}