var resetMenu = function()
				{
					$("slider").tween("margin-left", slideStart+"px");
				}
var highLightOne =  function()
				{
					$("slider").tween("margin-left", slideOne+"px");
				};
var highLightTwo =  function()
				{
					$("slider").tween("margin-left", slideTwo+"px");
				};
var highLightThree =  function()
				{
					$("slider").tween("margin-left", slideThree+"px");
				};
var highLightFour =  function()
				{
					$("slider").tween("margin-left", slideFour+"px");
				};

//content slider (web copy for portfolio work)
var counter = 0;
var copyTwo = null;
var copyOne = 0;

var moreButton = function()
				{
					switch(counter)
					{
						case 0:
						copyTwo = -490;
						if(counter+1 < pages)
						{
							counter++;
								
						}else{
							$("nextButa").setStyle("visibility", "hidden");
							$("navPanel").getElement(".nextBut").setStyle("visibility", "hidden");
						}	
						$("prevButa").setStyle("visibility", "visible");
						$("navPanel").getElement(".prevBut").setStyle("visibility", "visible");
						break;
						
						case 1:
						copyTwo = -980;
						$("nextButa").setStyle("visibility", "hidden");
						$("navPanel").getElement(".nextBut").setStyle("visibility", "hidden");
						break;
					}
					$("copyPanel").tween("margin-left", copyTwo+"px");
					
					
					
				}
var prevButton = function()
				{
					switch(counter)
					{
						case 1:
						copyOne = -490;
						counter--;	
						$("nextButa").setStyle("visibility", "visible");
						$("navPanel").getElement(".nextBut").setStyle("visibility", "visible");
						break;
						
						case 0:
						copyOne = 0;
						$("prevButa").setStyle("visibility", "hidden");
						$("navPanel").getElement(".prevBut").setStyle("visibility", "hidden");
						$("nextButa").setStyle("visibility", "visible");
						$("navPanel").getElement(".nextBut").setStyle("visibility", "visible");
						break;
					}
					
					$("copyPanel").tween("margin-left", copyOne+"px");
				}

//target blank function 
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";
 }
}
window.onload = externalLinks;