var vOpacity = 0.00;
var vIncrement = 0.02;

function fade()
{
	var vFadeImage = document.getElementById("headerimg");
	
	vFadeImage.style.opacity=vOpacity;
	vFadeImage.style.filter = "alpha(opacity=" + vOpacity*100 + ")";
	vFadeImage.style.zoom = 1;
	

	if(vOpacity == 0.0)
	{
		setTimeout("fade()",500);
		vOpacity = vOpacity + vIncrement;
	}

	else if(vOpacity < 1)
	{
		setTimeout("fade()",50);
		vOpacity = vOpacity + vIncrement;
	}
}