function scroll_banner ( element_id, base_top, max_pos ) {

try {
	base_top = parseInt(base_top);
	if ( !$(element_id) ) { return;  }
	var pos = parseInt(document.documentElement.scrollTop) + parseInt(document.body.scrollTop);// + parseInt(base_top);
	if ( !isNaN(base_top) ) {pos += base_top; }

	if ( pos < parseInt(max_pos) ) {
		$(element_id).style.posTop = '' + pos + 'px';
		$(element_id).style.top = '' + pos + 'px';
	}
}catch (e) {
	alert(e.message);
}
}

function scroll_page_banner ( element_id, base_top, max_pos ) {

try {
	base_top = parseInt(base_top);
	if ( !$(element_id) ) { return;  }
	var pos = parseInt(document.documentElement.scrollTop) / 2;// + parseInt(document.body.scrollTop) / 100;// + parseInt(base_top);
	if ( !isNaN(base_top) ) {pos += base_top; }

	if ( pos < parseInt(max_pos) ) {
		$(element_id).style.posTop = '' + pos + 'px';
		$(element_id).style.top = '' + pos + 'px';
	}
}catch (e) {
	alert(e.message);
}
}