function bCheck()		
		{
			var vApp = navigator.userAgent;
			var vOS = navigator.platform;
			
			// when site is under construction
			window.alert("This site is currently under construction. Internal links may be dead. \n\nThank you for your patience.");
			
			// FIND BROWSER
			if (vApp.indexOf("MSIE") > -1)
			{
				bImg.innerHTML = "<a href = \"http://www.microsoft.com/windows/ie/default.mspx\"><img src = \"./images/ie.gif\" border=\"0\"/></a><b";
				bTxt.innerHTML = "You are browsing with Internet Explorer";				
			}						
			
			else if (vApp.indexOf("Firefox") > -1)
			{
				document.getElementById("bImg").innerHTML = "<a href = \"http://www.spreadfirefox.com\"><img src = \"./images/firefox.gif\" border=\"0\"/></a>";
				document.getElementById("bTxt").innerHTML = "You are browsing with Mozilla Firefox";				
			}					
			
			else if (vApp.indexOf("Safari") > -1)
			{
                document.getElementById("bImg").innerHTML = "<a href = \"http://www.apple.com/macosx/features/safari/\"><img src = \"./images/safari.gif\" border=\"0\"/></a>";
				document.getElementById("bTxt").innerHTML = "You are browsing with Safari";				
			}	
			
			else if (vApp.indexOf("Opera") > -1)
			{
				bImg.innerHTML = "<a href = \"http://www.opera.com\"><img src = \"./images/opera.gif\" border=\"0\"/></a>";
				bTxt.innerHTML = "You are browsing with Opera"; 
			}		    
			
			else
			    document.getElementById("bTxt").innerHTML = "You are browsing with " + vApp;
					
			// FIND OS
			if (vOS.indexOf("Win") > -1)
			{
				document.getElementById("OSImg").innerHTML = "<a href = \"http://update.microsoft.com/windowsupdate/v6/default.aspx?ln=en-us\"><img src = \"./images/windows.gif\" border=\"0\"/></a>";
				document.getElementById("OSTxt").innerHTML = "and Microsoft Windows.";
			}
			
			else if (vOS.indexOf("Mac") > -1)
			{
				document.getElementById("OSImg").innerHTML = "<a href = \"http://www.apple.com/\"><img src = \"./images/macintosh.jpg\" border=\"0\"/></a>";
				document.getElementById("OSTxt").innerHTML = "and Macintosh.";
			}
			
			else if (vOS.indexOf("Linux") > -1)
			{
				document.getElementById("OSImg").innerHTML = "<a href = \"http://www.linuxiso.org/\"><img src = \"./images/linux.jpg\" height = \"150\" width = \"125\" border=\"0\"/></a>";
				document.getElementById("OSTxt").innerHTML = "and Linux";
			}
			
			else
			    document.getElementbyId("OSTxt").innerHTML = "and " + vOS;
		}