function setOpacity(oc) {
	el 			= document.getElementById("PAGE_CONTENT");
	el.style.opacity 	= oc;
	el.style.MozOpacity 	= oc;
	el.style.KhtmlOpacity 	= oc;
	el.style.filter 	= "alpha(opacity='"+(oc * 100)+"')";
	lavar			= oc+0.15;
	if (lavar<2) { setTimeout("setOpacity("+lavar+")", 0.001); }
}