var delai=0; var pix=0; var pixmax=0; var inc=0;

		function MomNavigateur() {
		  if (navigator.appName=="Microsoft Internet Explorer") {
			pixscroll = document.documentElement.scrollTop;
		  }
		  else {
			pixscroll = window.pageYOffset;
		  }	
		}

		function ScrollUpToPage() {
			delai=5;
			inc=-20;
			MomNavigateur()
			pix = pixscroll;
			if (-inc > pixscroll) {
				if (pixscroll > 100) {inc = -pixmax+100;};
			}
			if (pixscroll > 100) {self.scrollTo(0,100);pixscroll=100;pix=100;inc=-30;}
			setTimeout("scroll()",delai);
		}

		function scroll() {
			pix=pix+inc;
			self.scrollBy(0,inc);
			if (pix >= 0) {
				setTimeout("scroll()",delai);
				MomNavigateur();
				if (pixscroll <= 5) {inc=-1;}
				if (pixscroll > 5) {if (pixscroll <= 10) {inc=-3;};}
				if (pix < pixscroll) {pix=0;};
			}
		}