var mac = navigator.appVersion.indexOf("Mac")>-1
	var opera = navigator.userAgent.indexOf("Opera")>-1

	if (navigator.appName == "Netscape" && parseFloat(navigator.appVersion) < 5.00 && !mac)
	{
		document.write ("<link rel=\"stylesheet\" href=\"../stylesheets/ns_style_dhsn.css\" type=\"text/css\">");
	}
	else
	{
		document.write ("<link rel=\"stylesheet\" href=\"../stylesheets/ie_style_dhsn.css\" type=\"text/css\">");
	}

	if (document.images) 
	        {
	        button1 = new Image()
	        button1.src = "../media/images/mainnav-home-off.gif"
	        button1over = new Image()
	        button1over.src = "../media/images/mainnav-home-on.gif"
	        
	        button2 = new Image()
	        button2.src = "../media/images/mainnav-what-off.gif"
	        button2over = new Image()
	        button2over.src = "../media/images/mainnav-what-on.gif"
	
	        button3 = new Image()
	        button3.src = "../media/images/mainnav-how-off.gif"
	        button3over = new Image()
	        button3over.src = "../media/images/mainnav-how-on.gif"
	        
	        button4 = new Image()
	        button4.src = "../media/images/mainnav-see-off.gif"
	        button4over = new Image()
	        button4over.src = "../media/images/mainnav-see-on.gif"
			
	        button5 = new Image()
	        button5.src = "../media/images/mainnav-signup-off.gif"
	        button5over = new Image()
	        button5over.src = "../media/images/mainnav-signup-on.gif"
			
	        button6 = new Image()
	        button6.src = "../media/images/subnav-step1-off.gif"
	        button6over = new Image()
	        button6over.src = "../media/images/subnav-step1-on.gif"
	        
	        button7 = new Image()
	        button7.src = "../media/images/subnav-step2-off.gif"
	        button7over = new Image()
	        button7over.src = "../media/images/subnav-step2-on.gif"
			
	        button8 = new Image()
	        button8.src = "../media/images/subnav-step3-off.gif"
	        button8over = new Image()
	        button8over.src = "../media/images/subnav-step3-on.gif"
	        
	        button9 = new Image()
	        button9.src = "../media/images/subnav-step4-off.gif"
	        button9over = new Image()
	        button9over.src = "../media/images/subnav-step4-on.gif"
			
	        button10 = new Image()
	        button10.src = "../media/images/subnav-step5-off.gif"
	        button10over = new Image()
	        button10over.src = "../media/images/subnav-step5-on.gif"

	        button11 = new Image()
	        button11.src = "../media/images/nextarrow-off.gif"
	        button11over = new Image()
	        button11over.src = "../media/images/nextarrow-on.gif"
	        
	        button12 = new Image()
	        button12.src = "../media/images/prevarrow-off.gif"
	        button12over = new Image()
	        button12over.src = "../media/images/prevarrow-on.gif"

			button13 = new Image()
	        button13.src = "../media/images/startarrow-off.gif"
	        button13over = new Image()
	        button13over.src = "../media/images/startarrow-on.gif"

			button14 = new Image()
	        button14.src = "../media/images/more-off.gif"
	        button14over = new Image()
	        button14over.src = "../media/images/more-on.gif"
	        }
	
	function switchimage(string,i) 
	{
		if (document.images) 
			eval("document.button" + i + ".src = " + string) 
	}
	
	function open_careers()
	{
		aWindow = window.open("http://careers.neog.com","Careers");
	}