var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		port1_over = newImage("images/projectIMGOn.png");
		port2_over = newImage("images/projectIMG2On.png");
		port3_over = newImage("images/projectIMG3On.png");
		port4_over = newImage("images/projectIMG4On.png");
		port5_over = newImage("images/projectIMG5On.png");
		port6_over = newImage("images/projectIMG6On.png");
		port7_over = newImage("images/projectIMG7On.png");
		port8_over = newImage("images/projectIMG8On.png");
		port9_over = newImage("images/projectIMG9On.png");


		preloadFlag = true;
	}
}