// preloading the images

function preloadImages() {

	PPics = new Array(6);
	for (i = 0; i < 6; i++) {
		PPics[i] = new Image();
	}

	PPics[0].src = "images/holiday_homes_house1.jpg";
	PPics[1].src = "images/holiday_homes_house2.jpg";
	PPics[2].src = "images/holiday_homes_house3.jpg";
	PPics[3].src = "images/holiday_homes_lodge1.jpg";
	PPics[4].src = "images/holiday_homes_lodge2.jpg";
	PPics[5].src = "images/holiday_homes_lodge3.jpg";
}

// function that replaces image
function replace(ImgToChange, ImgToShow){
ImgToChange.src=PPics[ImgToShow].src
}