brisanje div-a z javascriptom

function delDiv()
{
	var x = document.getElementsByTagName("div");
	
	var y = 0; 
	
	while (x.length - y)
	{
		
		if (x[y].style.display == "none")
		{
			x[y].parentNode.removeChild(x[y]);
			continue;
		}
		
		y++;
	}
}