Nefunkční javascrip s DOCTYPE

function loadingy(){

var _1=document.getElementById("temno");

_1.style.position="absolute";

_1.style.display="block";

_1.style.zIndex=99;

_1.style.left=document.body.scrollLeft;

_1.style.top=document.body.scrollTop;

_1.style.width=document.body.clientWidth;

_1.style.height=document.body.clientHeight;

_1.style.opacity=5/10;

_1.style.filter="alpha(opacity="+5*10+")";

_1.style.backgroundColor="black";

var _2=document.getElementById("hlaska");

_2.style.position="absolute";

_2.style.display="block";

_2.style.zIndex=100;

_2.style.left=(document.body.scrollLeft+(document.body.clientWidth/2))-(_2.offsetWidth/2);

_2.style.top=document.body.scrollTop+(document.body.clientHeight/2)-(_2.offsetHeight/2);

}