function setMainNav() {
	// get the documents _parentid
	var p = document.getElementsByTagName("body");
	var pid = p[0].getAttribute("id");
	var s = pid.split("_"); //split the string on the underscore char
		
	//get the main navigation list
	var nav = document.getElementById("primarynav");
	var list = nav.getElementsByTagName("li");
	
	//get the sub navigation list
	if(document.getElementById("subnav"))
	{
		var subnav = document.getElementById("subnav");
		var sublist = subnav.getElementsByTagName("li");
	}
	
	//alert(list[i].className);
	switch(s[1]){ //use the second part of the string array
		case "home":
			var c = list[0].className;
			list[0].className = c + " current";
			break;
		case "solutions":
			var c = list[1].className;
			list[1].className =  c + " current";
			break;
		case "expertise":
			var c = list[1].className;
			var subc = sublist[0].className;
			list[1].className =  c + " current";
			sublist[0].className =  subc + " current";
			break;
		case "planning":
			var c = list[1].className;
			var subc = sublist[1].className;
			list[1].className =  c + " current";			
			sublist[1].className =  subc + " current";
			break;
		case "process":
			var c = list[1].className;
			var subc = sublist[2].className;
			list[1].className =  c + " current";			
			sublist[2].className =  subc + " current";
			break;	
		case "cases":
			var c = list[1].className;
			var subc = sublist[3].className;
			list[1].className =  c + " current";
			sublist[3].className =  subc + " current";
			break;
			case "hireus":
			var c = list[2].className;
			list[2].className =  c + " current";
			break;	
		case "partners":
			var c = list[3].className;
			list[3].className =  c + " current";
			break;
		default:
			var c = list[0].className;
			list[0].className = c + " current";
	}
}

function externalLinks() {
 if (!document.getElementsByTagName) return;
  var anchors = document.getElementsByTagName("a");
   for (var i=0; i<anchors.length; i++) {
      var anchor = anchors[i];
         if (anchor.getAttribute("href") &&
	        anchor.getAttribute("rel") == "external")
		     anchor.target = "_blank";
	}
}