//
//menu functions follow
//

function showHideElement(sID) {
	var oObject = document.getElementById(sID);
	if(oObject.style.display == 'block') {oObject.style.display = 'none';} else {oObject.style.display = 'block';}
}

function changePic(sID, sDirectory) {
	sOpenSrc=sDirectory + 'open.gif'; sCloseSrc=sDirectory + 'closed.gif';
	var oImage = document.getElementById(sID);
	var gifOpen = new Image; gifOpen.src = sOpenSrc; var gifClose = new Image; gifClose.src = sCloseSrc;
	if (oImage.src == gifOpen.src) {oImage.src = gifClose.src;} else {oImage.src = gifOpen.src;}
}

//
//other functions follow
//

//see main document for doPreload()
//function doPreload() {
//	var the_images = new Array('spacer.gif');
//	preloadImages(the_images);
//}

function preloadImages(the_images_array) {
	for(loop = 0; loop < the_images_array.length; loop++)
	{
   		var an_image = new Image();
		an_image.src = "../_images/" + the_images_array[loop];
	}
}