var nav = ["nav_aboutus","nav_custserv","nav_envsafety","nav_copgovern","nav_careers"];
function Nav(id)
{
	if(document.getElementById(id).style.display == "block")
	{
		document.getElementById(id).style.display = "none";
	}
	else
	{
		document.getElementById(id).style.display = "block";
	}
	for(var i=0; i<nav.length; i++)
	{
		
		if(nav[i]!= id)
		{
			document.getElementById(nav[i]).style.display="none"
		}
	}
}

var msy= ["ms2008","ms2007","ms2006","ms2005","ms2004","ms2003","ms2002","ms2001","ms2000","ms1999","ms1998","ms1997","ms1996","ms1995"];
function Milestone(id)
{
	if(document.getElementById(id).style.display == "block")
	{
		document.getElementById(id).style.display = "none";
	}
	else
	{
		document.getElementById(id).style.display = "block";
	}
	for(var i=0; i<msy.length; i++)
	{
		
		if(msy[i]!= id)
		{
			document.getElementById(msy[i]).style.display="none"
		}
	}
}

var nwspy= ["nwsp2009","nwsp2008","nwsp2007","nwsp2006"];
function NWSP(id)
{
	if(document.getElementById(id).style.display == "block")
	{
		document.getElementById(id).style.display = "none";
	}
	else
	{
		document.getElementById(id).style.display = "block";
	}
	for(var i=0; i<nwspy.length; i++)
	{
		
		if(nwspy[i]!= id)
		{
			document.getElementById(nwspy[i]).style.display="none"
		}
	}
}

var ny= ["n2010","n2009","n2008","n2007","n2006","n2005","n2004","n2003","n2002","n2001","n1999","n1998","n1997","n1996"];
function News(id)
{
	if(document.getElementById(id).style.display == "block")
	{
		document.getElementById(id).style.display = "none";
	}
	else
	{
		document.getElementById(id).style.display = "block";
	}
	for(var i=0; i<ny.length; i++)
	{
		
		if(ny[i]!= id)
		{
			document.getElementById(ny[i]).style.display="none"
		}
	}
}

var sm = ["smArrow","smHome","smAbout","smServices","smSafety","smGoverance","smTenders","smCareers","smPress","smPlant","smLinks","smContact"];
function Sitemap(id)
{
	if(document.getElementById(id).style.display == "block")
	{
		document.getElementById(id).style.display = "none";
	}
	else
	{
		document.getElementById(id).style.display = "block";
	}
	for(var i=0; i<sm.length; i++)
	{
		
		if(sm[i]!= id)
		{
			document.getElementById(sm[i]).style.display="none"
		}
	}
}

function ShowHide(id)
{
	if(document.getElementById(id).style.display == "block")
	{
		document.getElementById(id).style.display = "none";
	}
	else
	{
		document.getElementById(id).style.display = "block";
	}
}

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_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_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];}
}