if(navigator.appVersion.charAt(0) >= 3){
var img = new Array();
img[0]=new Image();img[0].src = "images/page_back1.gif";
img[1]=new Image();img[1].src = "images/page_back2.gif";
img[2]=new Image();img[2].src = "images/page_back3.gif";
img[3]=new Image();img[3].src = "images/page_back4.gif";
img[4]=new Image();img[4].src = "images/page_back5.gif";
img[5]=new Image();img[5].src = "images/page_back6.gif";
img[6]=new Image();img[6].src = "images/bt_1.gif";
img[7]=new Image();img[7].src = "images/bt_1_ro.gif";
img[8]=new Image();img[8].src = "images/bt_2.gif";
img[9]=new Image();img[9].src = "images/bt_2_ro.gif";
img[10]=new Image();img[10].src = "images/bt_3.gif";
img[11]=new Image();img[11].src = "images/bt_3_ro.gif";
img[12]=new Image();img[12].src = "images/bt_4.gif";
img[13]=new Image();img[13].src = "images/bt_4_ro.gif";
img[14]=new Image();img[14].src = "images/txt_bt3.gif";
img[15]=new Image();img[15].src = "images/txt_bt4.gif";
img[16]=new Image();img[16].src = "images/txt_bt5.gif";
img[17]=new Image();img[17].src = "images/txt_bt6.gif";
}
function change_image(nam,num){
if(navigator.appVersion.charAt(0) >= 3){
document.images[nam].src = img[num].src;
}
}

var scrj = 1;
function softScrollBack() {
   if(navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat")
      var scdist = document.body.parentNode.scrollTop;
   else
      var scdist = document.body.scrollTop;
   if(scrj<50 && scdist) {
      scdist = (scdist>2) ? Math.ceil(scdist*.2) : 1;
      scrj++;
      scrollBy(0,-scdist);
      setTimeout("softScrollBack()",20);
   } else {
      scrollTo(0,0);
      scrj = 1;
   }
}