function newImage(arg) {
		 if (document.images) {
		 		 rslt = new Image();
		 		 rslt.src = arg;
		 		 return rslt;
		 }
}

function changeImages() {
		 if (document.images && (preloadFlag == true)) {
		 		 for (var i=0; i<changeImages.arguments.length; i+=2) {
		 		 		 document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		 		 }
		 }
}

var preloadFlag = false;
function preloadImages() {
		 if (document.images) {
		 		 TRICARE_Map___Image_Map_01_North_Region_over = newImage("/internet/tric/tri/imglib.nsf/images/TRICARE-Map---Image-Map_01-.gif/$File/TRICARE-Map---Image-Map_01-.gif");
		 		 TRICARE_Map___Image_Map_01_West_Region_over = newImage("/internet/tric/tri/imglib.nsf/images/TRICARE-Map---Image-Map_-03.gif/$File/TRICARE-Map---Image-Map_-03.gif");
		 		 TRICARE_Map___Image_Map_01_South_Region_over = newImage("/internet/tric/tri/imglib.nsf/images/TRICARE-Map---Image-Map_-04.gif/$File/TRICARE-Map---Image-Map_-04.gif");
		 		 preloadFlag = true;
		 }
}