// Screenheight

function height()
	{
	var height = document.getElementById('container').clientHeight - 181;
	document.getElementById('body').style.height = ''+height+'px';
	}
	
// Screenheight

function heightadmin()
	{
	var height = document.getElementById('admin_container').clientHeight - 20;
	document.getElementById('content').style.height = ''+height+'px';
	}

// Width

var screenW = 900;

if (parseInt(navigator.appVersion)>3) 
	{
 	screenW = screen.width;
	}
else if (navigator.appName == "Netscape" && parseInt(navigator.appVersion)==3 && navigator.javaEnabled()) 
	{
	var jToolkit = java.awt.Toolkit.getDefaultToolkit();
	var jScreenSize = jToolkit.getScreenSize();
	screenW = jScreenSize.width;
	}

var screenwidth = (screenW-800)/2;

// Submenu

  function show(sub_menu) {
   if (document.getElementById) {
   var div = document.getElementById(sub_menu).style;
    if (div.display == "block") {
    div.display = "none";
    } else {
    div.display= "block";
   }
   return false;
   } else {
   return true;
  }
  }