if (document.images) {
	about_01_on = new Image();				// roll over Images
	about_01_on.src ="images/leftmenu_about01b.gif";
	about_02_on = new Image();
	about_02_on.src ="images/leftmenu_about02b.gif";
	about_03_on = new Image();
	about_03_on.src ="images/leftmenu_about03b.gif";
	about_04_on = new Image();
	about_04_on.src ="images/leftmenu_about04b.gif";
	about_05_on = new Image();
	about_05_on.src ="images/leftmenu_about05b.gif";
	about_06_on = new Image();
	about_06_on.src ="images/leftmenu_about06b.gif";
	about_07_on = new Image();
	about_07_on.src ="images/leftmenu_about07b.gif";
	about_08_on = new Image();
	about_08_on.src ="images/leftmenu_about08b.gif";


	



	about_01_off = new Image();				// Original Images
	about_01_off.src ="images/leftmenu_about01a.gif";
	about_02_off = new Image();
	about_02_off.src ="images/leftmenu_about02a.gif";
	about_03_off = new Image();
	about_03_off.src ="images/leftmenu_about03a.gif";
	about_04_off = new Image();
	about_04_off.src ="images/leftmenu_about04a.gif";
	about_05_off = new Image();
	about_05_off.src ="images/leftmenu_about05a.gif";
	about_06_off = new Image();
	about_06_off.src ="images/leftmenu_about06a.gif";
	about_07_off = new Image();
	about_07_off.src ="images/leftmenu_about07a.gif";
	about_08_off = new Image();
	about_08_off.src ="images/leftmenu_about08a.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");
	}
}