function a()
{
	advertisement.innerHTML=advertisement.innerHTML+"<img src='images/add-space.gif'>";
	advertisement.innerHTML=advertisement.innerHTML+"<br>";
	advertisement.innerHTML=advertisement.innerHTML+"<img src='images/add-space.gif'>";
	advertisement.innerHTML=advertisement.innerHTML+"<br>";
	advertisement.innerHTML=advertisement.innerHTML+"<img src='images/add-space.gif'>";
			
}
a();