// JavaScript Document


/* -----------------------------------------------------------------------*/
// Page Top
/* -----------------------------------------------------------------------*/
function backToTop() {
  var x1 = x2 = x3 = 0;
  var y1 = y2 = y3 = 0;
  if (document.documentElement) {
      x1 = document.documentElement.scrollLeft || 0;
      y1 = document.documentElement.scrollTop || 0;
  }
  if (document.body) {
      x2 = document.body.scrollLeft || 0;
      y2 = document.body.scrollTop || 0;
  }
  x3 = window.scrollX || 0;
  y3 = window.scrollY || 0;
  var x = Math.max(x1, Math.max(x2, x3));
  var y = Math.max(y1, Math.max(y2, y3));
  window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
  if (x > 0 || y > 0) {
      window.setTimeout("backToTop()", 1);
  }
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function img_chenge(imgpath){
document.main.src = imgpath;
}

function img_chenge_sub1(imgpath){
document.sub1.src = imgpath;
}

function img_chenge_sub2(imgpath){
document.sub2.src = imgpath;
}

function img_chenge_sub3(imgpath){
document.sub3.src = imgpath;
}


function OpenWin( sTRURL ){
    var screen_width = screen.availWidth - 10;
    var screen_height = screen.availHeight - 30;
    sTRFeatures = "screenX=0,screenY=0,width=" + screen_width + ",height=" + screen_height +",";
    sTRFeatures += "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes";

    windowname=window.open( sTRURL, "", sTRFeatures );
    windowname.focus();
}