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) { //v4.0
  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 && document.getElementById) x=document.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];}
}

var prev = null;

function DM_ShowHideLayers() 
{
	var el = window.event.srcElement;
	while ( el != null )
	{
//		 alert( el.name );

		if ( el.id == "Hom" ||
			 el.id == "Dev" ||
			 el.id == "Tech" ||
			 el.id == "Pross" ||
			 el.id == "Prod" ||
			 el.id == "Client" || 
			 el.id == "Comp" || 
			 el.id == "Cont" )
			 break;
		
		if ( el.name == "Home" )
		{
			el = MM_findObj("Hom");
			break;
		}
		
		else if ( el.name == "Development Services" )
		{
			el = MM_findObj("Dev");
			break;
		}
		else if ( el.name == "Technology" )
		{
			el = MM_findObj("Tech");
			break;
		}
		else if ( el.name == "Process" )
		{
			el = MM_findObj("Pross");
			break;
		}
		else if ( el.name == "Products" )
		{
			el = MM_findObj("Prod");
			break;
		}
		else if (el.name == "Clients")
		{
			el = MM_findObj("Client");
			break;
		}
		else if ( el.name == "Company" )
		{
			el = MM_findObj("Comp");
			break;
		}	
		else if ( el.name == "Contact" )
		{
			el = MM_findObj("Cont");
			break;
		}
		 
		el = el.parentElement;
	}

	if ( prev != el || el == null )
	{
		if ( prev && prev.style )
			prev.style.visibility = 'hidden';

		prev = el;
		
	}

	if ( el )
	{
//	 alert( el.id );
		el.style.visibility = 'visible';
	}
	

}