if (document.images) {
	press_01_on = new Image();				// roll over Images
	press_01_on.src ="images/leftmenu_press01b.gif";
	press_02_on = new Image();
	press_02_on.src ="images/leftmenu_press02b.gif";
	press_03_on = new Image();
	press_03_on.src ="images/leftmenu_press03b.gif";
	press_04_on = new Image();
	press_04_on.src ="images/leftmenu_press04b.gif";
	press_05_on = new Image();
	press_05_on.src ="images/leftmenu_press05b.gif";
	press_06_on = new Image();
	press_06_on.src ="images/leftmenu_press06b.gif";
	press_07_on = new Image();
	press_07_on.src ="images/leftmenu_press07b.gif";
	press_08_on = new Image();
	press_08_on.src ="images/leftmenu_press08b.gif";


	



	press_01_off = new Image();				// Original Images
	press_01_off.src ="images/leftmenu_press01a.gif";
	press_02_off = new Image();
	press_02_off.src ="images/leftmenu_press02a.gif";
	press_03_off = new Image();
	press_03_off.src ="images/leftmenu_press03a.gif";
	press_04_off = new Image();
	press_04_off.src ="images/leftmenu_press04a.gif";
	press_05_off = new Image();
	press_05_off.src ="images/leftmenu_press05a.gif";
	press_06_off = new Image();
	press_06_off.src ="images/leftmenu_press06a.gif";
	press_07_off = new Image();
	press_07_off.src ="images/leftmenu_press07a.gif";
	press_08_off = new Image();
	press_08_off.src ="images/leftmenu_press08a.gif";


	

}

// Function to 'activate' images.
function imgOn(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "_on.src");
	}
}

// Function to 'deactivate' images.
function imgOff(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "_off.src");
	}
}