setBanner();

function setBanner() {
	var obPageLayer = document.getElementById( 'bodyContainer' );
	var obBgBanner = document.getElementById( 'bgBanner' );
	var obBgBanner2 = document.getElementById( 'bgBanner2' );
	var obIdBanner = document.getElementById( 'idBanner' );
	
	obBgBanner.style[ 'height' ] = obPageLayer.offsetHeight + 100 + 'px';
	
	var helpAlphaPerc = 70;
	var helpAlpha = ( helpAlphaPerc / 100 );
	obBgBanner.style[ 'filter' ] = 				'alpha(opacity=' + helpAlphaPerc + ')';
	obBgBanner.style[ '-moz-opacity' ] = 		'' + helpAlpha;
	obBgBanner.style[ '-khtml-opacity' ] = 		'' + helpAlpha;
	obBgBanner.style[ 'opacity' ] = 			'' + helpAlpha;
	
	obBgBanner.style[ 'display' ] = 'block';
	obBgBanner2.style[ 'display' ] = 'block';
	obIdBanner.style[ 'display' ] = 'block';
}