function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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_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];}
}

function dpSmartLink(u,n,w,h,p) { // v1.4 by David Powers
  var a,j,k,x,y,f='';if(!n){n='';}if(w){f+='width='+w+',';}if(h){f+='height='+h+',';}
  if(p){p=p.split(':');if(p[0]!='z'){p[0]=='c'?(x=(screen.width-w)/2):x=p[0];f+='left='+x+',';}
  if(p[1]!='z'){if(p[0]=='c'){y=(screen.height-h-p[1])/2;if(navigator.appName.indexOf('Op')!=-1){
  y-=96;y=y<0?0:y;}}else{y=p[1];}f+='top='+y+',';}}a=arguments.length;if(a>5){for (k=5;k<a;k++){
  switch(arguments[k]){case 'all':f+='toolbar,menubar,location,scrollbars,status,resizable,';break;
  case 't':f+='toolbar,';break; case 'm':f+='menubar,';break;case 'l':f+='location,';break;
  case 'sc':f+='scrollbars,';break;case 's':f+='status,';break;case 'r':f+='resizable,';}}}
  if(f.charAt(f.length-1)==','){f=f.slice(0,-1);}j=window.open(u,n,f);j.focus();
  document.MM_returnValue=false;
}

function doRoll(objID, state)
	{
	newPath = '/images/nav/' + objID.substring(0, objID.length - 3) + '-' + state + '.gif';
	MM_swapImage(objID, '', newPath, 1)
	}
	
function showSubNav(subnavID)
	{
	if (document.getElementById && document.getElementById(subnavID))
		{
		document.getElementById(subnavID).style.display = 'block';	
		}
	}
	
function doTab(selectedTab, selectedNav)
	{
	var firstLi;
	var lastLi;
	
	for (var i = 0; i < document.getElementById("tabs").childNodes.length; i++)
		{
		if (document.getElementById("tabs").childNodes[i].nodeName == "LI") 
			{
			if (firstLi == null) firstLi = document.getElementById("tabs").childNodes[i];
			if (selectedNav == null) selectedNav = firstLi.childNodes[0];
			lastLi = document.getElementById("tabs").childNodes[i];
			document.getElementById("tabs").childNodes[i].className = "";
			}
		}
	selectedNav.parentNode.className = "selected";
	if (lastLi.className == "selected") lastLi.className = "lasttab selected";
	else lastLi.className = "lasttab";
	
	var tabContent = document.getElementById("tabcontent");
	for (var i = 0; i < tabContent.childNodes.length; i++)
		{
		if (tabContent.childNodes[i].nodeName == "DIV" && tabContent.childNodes[i].id.substring(tabContent.childNodes[i].id.length - 3, tabContent.childNodes[i].id.length) == "tab")
			{
			tabContent.childNodes[i].style.display = "none";
			}
		}
	document.getElementById(selectedTab).style.display = "block";
	selectedNav.blur();
	}
	
function toggleExpansion(itemId, linkItem)
	{
	if (document.getElementById(itemId))
		{
		if (document.getElementById(itemId).style.display == "none" || document.getElementById(itemId).style.display == "")
			{
			document.getElementById(itemId).style.display = "block";
			}
		else
			{
			document.getElementById(itemId).style.display = "none";
			}
		}
	}