function showImage(isrc, ialt) {
  if (isrc!=null)
  {
    clearDiv();
    photo = document.getElementById("image");
      img = document.createElement("img");
      img.setAttribute("src", isrc);
      img.setAttribute("alt", ialt);  
      photo.appendChild(img);  
      return false;
  }
}
  
function clearDiv() {
  photo = document.getElementById("image");
  var lng = photo.childNodes.length;
  for (var i = lng - 1; i >= 0 ; i--) {
    photo.removeChild(photo.childNodes[i]);
  }
}

function setSelectWidth()
{
  var master = document.getElementById("wraptab");
  var masterWidth = master.offsetWidth;  
  var fake = document.getElementById("glrselect");
  var fakeWidth = fake.offsetWidth;  
    fake.style.width = ((masterWidth)-666) + 'px';
}

function setContentHeight() {
var hght;
var content = document.getElementById("fgrightx");
var menu = document.getElementById("menu");
var sel = document.getElementById("select");
    if (window.innerHeight) {
      hght = window.innerHeight;
    }
    else if (document.documentElement && document.documentElement.clientHeight) {
      hght = document.documentElement.clientHeight;
    }
    else if (document.body && document.body.clientHeight) {
      hght = document.body.clientHeight;
    }
    content.style.height = hght + 'px';
    select.style.height = '100px';
    menu.style.height = (hght -100) + 'px';
}

window.onresize=setContentHeight;