#superbgimage {
	display: none;
	/*background: #dddddd url('../imagens/superbgloading.gif') center center no-repeat;*/
	z-index: 3;
	}
	#superbgimage img {
		image-rendering: optimizeQuality;
		-ms-interpolation-mode: bicubic;
		z-index: 0;
	}
 
	/* id nav tem css importante */