window.onscroll = function()

{

	if( window.XMLHttpRequest ) {
		if (document.documentElement.scrollTop > 10 || self.pageYOffset > 10) {
	
			$('advert_outside_left').style.position = 'fixed';
			$('advert_outside_left').style.top = '0';
			$('advert_outside_right').style.position = 'fixed';
			$('advert_outside_right').style.top = '0';

		} else if (document.documentElement.scrollTop < 10 || self.pageYOffset < 10) {

			$('advert_outside_left').style.position = 'absolute';
			$('advert_outside_left').style.top = '10px';
			$('advert_outside_right').style.position = 'absolute';
			$('advert_outside_right').style.top = '10px';

		}

	}

}// JavaScript Document