function show(id){
var oDiv = document.getElementById(id);
oDiv.style.display = "block";
document.images["arr"].style.display = "none";
}

function hide(id){
var oDiv = document.getElementById(id);
oDiv.style.display = "none";
document.images["arr"].style.display = "block";
}
		
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) {
		sellsMap_01_ImageMap_01_over = newImage("images/sellsMap_01-ImageMap_01_ove.gif");
		sellsMap_01_ImageMap_02_over = newImage("images/sellsMap_01-ImageMap_02_ove.gif");
		sellsMap_01_ImageMap_03_over = newImage("images/sellsMap_01-ImageMap_03_ove.gif");
		sellsMap_01_ImageMap_04_over = newImage("images/sellsMap_01-ImageMap_04_ove.gif");
		sell_over = newImage("images/sell_over.gif");
		purchase_over = newImage("images/purchase_over.gif");
		rent_over = newImage("images/rent_over.gif");
		info_over = newImage("images/info_over.gif");
		preloadFlag = true;
	}
}