function golargeimage(oog,eeg,ig,imagealt)
{
var winpops=window.open("goimage.php?imagealt=" + imagealt + "&image=" + oog + "&width=" + eeg + "&height=" +ig,"","resizable=1,width=100,height=100")

return false;
}

function gospacing() {
  var imgheight = 470;
  if (screen.availHeight>900) imgheight = 550; 

  var newspace = (screen.availHeight - imgheight)/2;
  var topArea = screen.height - screen.availHeight;
  newspace = newspace - topArea; 
 	if(screen.height > 750) {
  	document.getElementById("x").style.height = + newspace + "px";
 	}
}

//submenu
function menushow(id)
{
document.getElementById(id).style.display = "block";
}
function menuhide(id)
{
document.getElementById(id).style.display = "none";
}