// JavaScript Document

//swapimages
		var imgs = new Array("cessna_152_color.gif", "cessna_172_color.gif", "piper_seneca_color.gif", "piper_warrior_color.gif");
		// array for preloading images
		var preload_imgs = new Array();
		// loop through array to preload
		for(i=0;i<imgs.length;i++)
		{
			preload_imgs[i] = new Image(); // create new image object for each element
			preload_imgs[i].src = "../imgs/"+imgs[i]; // set the source
		}
		
		// rollover function
		function swapImage(tag,img)
		{
			document.images[tag].src = "imgs/"+img;
		}