function clearform(which,name){
  if (which.value == name)
  which.value = ''
  }

// JavaScript Document

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()", 25);
  }
}

function getCookie(key,  tmp1, tmp2, xx1, xx2, xx3) {
    tmp1 = " " + document.cookie + ";";
    xx1 = xx2 = 0;
    len = tmp1.length;
    while (xx1 < len) {
        xx2 = tmp1.indexOf(";", xx1);
        tmp2 = tmp1.substring(xx1 + 1, xx2);
        xx3 = tmp2.indexOf("=");
        if (tmp2.substring(0, xx3) == key) {
            return(unescape(tmp2.substring(xx3 + 1, xx2 - xx1 - 1)));
        }
        xx1 = xx2 + 1;
    }
    return("");
}
function setCookie(key, val, path,tmp) {
    tmp = key + "=" + escape(val) + "; ";
    tmp += "path=" + path + "; ";
    tmp += "expires=Tue, 31-Dec-2030 23:59:59; ";
    document.cookie = tmp;
}
function clearCookie(key) {
    document.cookie = key + "=" + "xx; expires=Tue, 1-Jan-1980 00:00:00;";
}


function zoomStyle(cssfile) {
   testcssfile = "";
   clearCookie("layoutsize");
//   document.getElementById('layoutsize').href = "/assets/css/" + cssfile;
   setCookie("layoutsize",cssfile,"/");
   testcssfile = getCookie("layoutsize");
   if (testcssfile != cssfile) {
        alert(document.cookie);
   }
   location.reload(true)
}

function fontStyle(cssfile) {
   testcssfile = "";
   clearCookie("layoutfont");
//   document.getElementById('layoutfont').href = "/assets/css/" + cssfile;
   setCookie("layoutfont",cssfile,"/");
   testcssfile = getCookie("layoutfont");
   if (testcssfile != cssfile) {
        alert(document.cookie);
   }
   location.reload(true)
}

function large() { document.body.style.fontSize = "300%"; }
function middle() { document.body.style.fontSize = "100%"; }
function small() { document.body.style.fontSize = "50%"; }

csslayoutfile = "";
csslayoutfile = getCookie("layoutsize");
if (csslayoutfile) {
    document.write('<link rel="stylesheet" type="text/css" href="/assets/css/' + csslayoutfile + '">');
} else {
    document.write('<link rel="stylesheet" type="text/css" href="/assets/css/layoutsize_default2.css">');
}
cssfontfile = "";
cssfontfile = getCookie("layoutfont");
if (cssfontfile) {
    document.write('<link rel="stylesheet" type="text/css" href="/assets/css/' + cssfontfile + '">');
} else {
    document.write('<link rel="stylesheet" type="text/css" href="/assets/css/layoutfont_middle.css">');
}