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) {
		property1_over = newImage("img/property/property1.jpg");
		property2_over = newImage("img/property/property2.jpg");
		property3_over = newImage("img/property/property3.jpg");
		property4_over = newImage("img/property/property4.jpg");
		property5_over = newImage("img/property/property5.jpg");
		property6_over = newImage("img/property/property6.jpg");
		property7_over = newImage("img/property/property7.jpg");
		property8_over = newImage("img/property/property8.jpg");
		property9_over = newImage("img/property/property9.jpg");
		preloadFlag = true;
	}
}