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 MM_image(Id)
{
	if(Id == "tn_home")
	{	
		document.tn_home.src='images/home.gif';
	}
	else if(Id == "tn_the_facts")
	{
		document.tn_the_facts.src='images/the_facts.gif';
	}
	else if(Id == "tn_pur_packet")
	{
		document.tn_pur_packet.src='images/pur_packet.gif';
	}
	else if(Id == "tn_dr_greg_work")
	{
		document.tn_dr_greg_work.src='images/dr_greg_work.gif';
	}
	else if(Id == "tn_packet_at_work")
	{
		document.tn_packet_at_work.src='images/packet_at_work.gif';
	}
	else if(Id == "tn_csdw_program")
	{
		document.tn_csdw_program.src='images/csdw_program.gif';
	}
	
	HighLightNavigateURL();
}

function HighLightNavigateURL()
{
	//var section = (document.location.pathname.split("/"))[1];
	//var section1 = (document.location.pathname.split("/"))[document.location.pathname.split("/").length-1];
	var stringa = document.location.href;
	
	if (stringa.indexOf("index") != -1 )
	{
		MM_swapImage('tn_home','','images/home_over.gif',1);
	}
	else if (stringa.indexOf("the_facts") != -1 )
	{
		MM_swapImage('tn_the_facts','','images/the_facts_over.gif',1);
	}
	else if(stringa.indexOf("pur_packet") != -1 )
	{
		MM_swapImage('tn_pur_packet','','images/pur_packet_over.gif',1);
	}
	else if (stringa.indexOf("dr_greg_work") != -1 )
	{
		MM_swapImage('tn_dr_greg_work','','images/dr_greg_work_over.gif',1);
	}
	else if (stringa.indexOf("packet_at_work") != -1 )
	{
		MM_swapImage('tn_packet_at_work','','images/packet_at_work_over.gif',1);
	}
	else if (stringa.indexOf("csdw_program") != -1)
	{
		MM_swapImage('tn_csdw_program','','images/csdw_program_over.gif',1);
	}
}