// JavaScript Document

// Changes style of topnav table cell to highlight contents
function topnavEmphasize(name) {
	name.className = 'Navigation_Sections_TableCell_highlight';	
}


// Changes style of topnav table cell back to normal style conditions
function topnavDeEmphasize(name) {
	name.className = 'Navigation_Sections_TableCell_normal';	
}


// Changes style of topnav table cell to highlight contents
function leftnavEmphasize(name) {
	name.className = 'Left_Navigation_TableCell_highlight';	
}


// Changes style of topnav table cell back to normal style conditions
function leftnavDeEmphasize(name) {
	name.className = 'Left_Navigation_TableCell_normal';	
}


function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_jumpMenuGo(selName,targ,restore){ //v3.0
  var selObj = MM_findObj(selName); 
  if (selObj) MM_jumpMenu(targ,selObj,restore);
}



function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// Collapse/Expand Menu Items

function ToggleMenuItem(obj)
{
	if(document.getElementById)
	{
		var menuelement= document.getElementById(obj);
		var parentelement = document.getElementById("ParentNav").getElementsByTagName("span");
		if(menuelement.style.display != "block")
		{ //DynamicDrive.com change
			for (var i=0; i<parentelement.length; i++)
			{
				if (parentelement[i].className=="submenu") //DynamicDrive.com change
				parentelement[i].style.display = "none";
			}
			menuelement.style.display = "block";
		}
		else
		{
			menuelement.style.display = "none";
		}
	}
}

function trapEnterKey() 
{ 
	var e = window.event;
	
	if (e.keyCode==13) 
	{
	 e.keyCode = 0;
	}
	else if (e.keyCode==0)
	{
	  e.keyCode = 13;
	}


} 

function processEnterKey()
{
	var e = window.event;

	if (e.keyCode==13) 
	{
	 e.keyCode = 0;
	}
	
}


if (document.getElementById){ 
document.write('<style type="text/css">\n')
document.write('.submenu{display: none;}\n')
document.write('</style>\n')
}