var preloaded = [];

		// here is a lame preloading script i am putting in just for demonstration
		for (var i = 1; i <= 7; i++) {
			preloaded[i] = [loadImage(i + "-0.gif"), loadImage(i + "-1.gif")];
		}
		
		function init() {
			//==========================================================================================
			// if supported, initialize TransMenus
			//==========================================================================================
			// Check isSupported() so that menus aren't accidentally sent to non-supporting browsers.
			// This is better than server-side checking because it will also catch browsers which would
			// normally support the menus but have javascript disabled.
			//
			// If supported, call initialize() and then hook whatever image rollover code you need to do
			// to the .onactivate and .ondeactivate events for each menu.
			//==========================================================================================
			if (TransMenu.isSupported()) {
				TransMenu.initialize();

				// hook all the highlight swapping of the main toolbar to menu activation/deactivation
				// instead of simple rollover to get the effect where the button stays hightlit until
				// the menu is closed.


				//  * * *  Begin Additions and Modifications by Brian Sexton at WebEnertia


				var request = new String(document.location).replace(/^http:\/\/[^\/]*/gi, '');


				if (request == '/' || request == '/index.html')
				{

					document.getElementById('button1').src = preloaded[1][1].src;


					//  * * *  The following lines prevent empty menus from
					//  * * *  reverting their event handlers.

					//  * * *  Note that nullifying the handlers does not always
					//  * * *  work (they may be nullified then reset).

					document.getElementById('menu1').onmouseover = function() {};
					document.getElementById('menu1').onmouseout = function() {};

				}


				if (request.match(/^\/aboutus/)) { document.getElementById('button2').src = preloaded[2][1].src; }

				else
				{

					menu2.onactivate = function() { swapImage("button2", preloaded[2][1].src) }
					menu2.ondeactivate = function() { swapImage("button2", preloaded[2][0].src) }

				}


				if (request.match(/^\/approach/)) { document.getElementById('button3').src = preloaded[3][1].src; }

				else
				{

					menu3.onactivate = function() { swapImage("button3", preloaded[3][1].src) }
					menu3.ondeactivate = function() { swapImage("button3", preloaded[3][0].src) }

				}


				if (request.match(/^\/capabilities/)) 

				
				{
                     document.getElementById('button4').src = preloaded[4][1].src;


					//  * * *  The following lines prevent empty menus from
					//  * * *  reverting their event handlers.

					//  * * *  Note that nullifying the handlers does not always
					//  * * *  work (they may be nullified then reset).

					document.getElementById('menu4').onmouseover = function() {};
					document.getElementById('menu4').onmouseout = function() {};
					

				}


				if (request.match(/^\/projects/)) { document.getElementById('button5').src = preloaded[5][1].src; }

				else
				{

					menu5.onactivate = function() { swapImage("button5", preloaded[5][1].src) }
					menu5.ondeactivate = function() { swapImage("button5", preloaded[5][0].src) }

				}


				if (request.match(/^\/resources/)) 
                 
				{

					document.getElementById('button6').src = preloaded[6][1].src;


					//  * * *  The following lines prevent empty menus from
					//  * * *  reverting their event handlers.

					//  * * *  Note that nullifying the handlers does not always
					//  * * *  work (they may be nullified then reset).

					document.getElementById('menu6').onmouseover = function() {};
					document.getElementById('menu6').onmouseout = function() {};

				}



				if (request.match(/^\/contactus/)) { document.getElementById('button7').src = preloaded[7][1].src; }

				else
				{

					menu7.onactivate = function() { swapImage("button7", preloaded[7][1].src) }
					menu7.ondeactivate = function() { swapImage("button7", preloaded[7][0].src) }

				}


				


				//  * * *  End Additions and Modifications by Brian Sexton at WebEnertia


				}
		}

		
		function loadImage(sFilename) {
			var img = new Image();
			img.src ="/_media/images/nav/" + sFilename;
			return img;
		}

		
		function swapImage(imgName, sFilename) {
			document.images[imgName].src = sFilename;
		}