/*
Floating Menu script-  Roy Whittle (http://www.javascript-fx.com/)
Script featured on/available at http://www.dynamicdrive.com/
This notice must stay intact for use
*/

//Enter "frombottom" or "fromtop"
var FloatNavVerticalPos = "fromtop";

function JSFX_FloatNavDiv()
{
  if (!isIPhoneUser()) {
	  var startX = 0,
	  startY = 0;
	  var ns = (navigator.appName.indexOf("Netscape") != -1);
	  var d = document;
	  function ml(id)
	  {
		  var el=d.getElementById?d.getElementById(id):d.all?d.all[id]:d.layers[id];
		  if(d.layers)el.style=el;
		  el.sP=function(x,y){this.style.left=x;this.style.top=y;};
		  el.x = startX;
		  if (FloatNavVerticalPos=="fromtop")
		  el.y = startY;
		  else{
		  el.y = ns ? pageYOffset + innerHeight : document.body.scrollTop + document.body.clientHeight;
		  el.y -= startY;
		  }
		  return el;
	  }
	  window.stayTopLeft=function()
	  {
		  if (FloatNavVerticalPos=="fromtop"){
		    var pY = ns ? pageYOffset : document.body.scrollTop;
		    //MLK added this to make left nav flush with top once page scrolled down past banner and top menu
		    var topMenuHeight = parseInt(d.getElementById("toolbar").offsetHeight);
  		 
		    if (pY > topMenuHeight)
          ftlObj.y += (((pY + startY) - topMenuHeight) - ftlObj.y)/8;
        else
          ftlObj.y += (startY - ftlObj.y)/8;
		  }
		  else{
		    var pY = ns ? pageYOffset + innerHeight : document.body.scrollTop + document.body.clientHeight;
		    ftlObj.y += (pY - startY - ftlObj.y)/8;
		  }
		  ftlObj.sP(ftlObj.x, ftlObj.y);
		  setTimeout("stayTopLeft()", 10);
	  }
	  ftlObj = ml("nav");
	  stayTopLeft();
	}
}