[Conus]

window.onmousemove = function()
{
var x = document.getElementById('xt')
x.style.background = document.querySelectorAll('#x:hover').length ? 'red' : 'green';
}

window.onload = function()
{

var xt = document.createElement('div');
xt.setAttribute('id','xt');
xt.setAttribute('style', ' width:300px; height:80px; background-color:gray; ');


document.body.appendChild(xt);
}