var place=0;
var pos=new Array (0, 0, 400, 810, 1250, 1400, 1600, 1800, 2100, 2500, 2800, 3100, 3500, 3850);
var width=0;
var scrollspeed=35;

function scrollit(v){ 
  var start=pos[place]; 
  if (v>1) {
    if (navigator.appName=="Netscape") {
      width = window.innerWidth;
    } else {	
      width = document.body.clientWidth;
    }
    if (!width) { width=810; }
    if (width < 810) { width=width+34; }

    var stop=pos[v] - ((width - 750) /2);
  } else { var stop=pos[v]; }
  if (start<stop) {
    while (start<=stop) {
      start =start+scrollspeed;
      parent.main.scroll(Math.round(start),0);
    }
    parent.main.scrollTo(Math.round(stop),0);
  } else if (start >=stop) {
    while (stop<=start) {
      start =start-scrollspeed;
      parent.main.scrollTo(Math.round(start),0);
    }
    parent.main.scrollTo(Math.round(stop),0);
  }
  place=v;
}