var preloaded = [];

	
		//for (var i = 1; i <= 6; i++) {
		    
		//	preloaded[i] = [loadImage(i + ".gif"), loadImage(i + "-over.gif")];
			//alert(preloaded[i][i]);
		//}

		function init() {
			// whatever stuff you need to do onload goes here.

			//==========================================================================================
			// if supported, initialize dropdowns
			//==========================================================================================
			// 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 (DropDown.isSupported()) {
				
				//alert(DropDown.isSupported());
				DropDown.initialize();

				// hook all the image 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.
				menu1.onactivate = function() { swapImage("the_farm", "the_farm", "-over") };
				menu1.ondeactivate = function() { swapImage("the_farm", "the_farm", "") };
				
				
				menu2.onactivate = function() { swapImage("rescue_adoptions", "rescue_adoptions", "-over") };
				menu2.ondeactivate = function() { swapImage("rescue_adoptions", "rescue_adoptions", "") };
				
				menu3.onactivate = function() { swapImage("the_issues", "the_issues", "-over") };
				menu3.ondeactivate = function() { swapImage("the_issues", "the_issues", "") };
				
				menu4.onactivate = function() { swapImage("get_involved", "get_involved", "-over") };
				menu4.ondeactivate = function() { swapImage("get_involved", "get_involved", "") };		
				
				menu5.onactivate = function() { swapImage("about_us", "about_us", "-over") };
				menu5.ondeactivate = function() { swapImage("about_us", "about_us", "") };		
				
				menu6.onactivate = function() { swapImage("media_center", "media_center", "-over") };
				menu6.ondeactivate = function() { swapImage("media_center", "media_center", "") };						
				
				menu7.onactivate = function() { swapImage("resources", "resources", "-over") };
				menu7.ondeactivate = function() { swapImage("resources", "resources", "") };	
                
			}
		}


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


		function swapImage(imgName, sFilename, mouseEvent) {
			
			thisImgSrc = document.images[imgName].src
			
			if (thisImgSrc.indexOf("-on") != -1){
			    document.images[imgName].src = "http://www.farmsanctuary.org/images/" + sFilename + "-on" + mouseEvent + ".gif"
			 }else {
			    document.images[imgName].src = "http://www.farmsanctuary.org/images/" + sFilename + mouseEvent + ".gif"
			 }
			 
			
		}