if (document.images) {
	calendar_01_on = new Image();				// roll over Images
	calendar_01_on.src ="images/leftmenu_calendar01b.gif";
	calendar_02_on = new Image();
	calendar_02_on.src ="images/leftmenu_calendar02b.gif";
	calendar_03_on = new Image();
	calendar_03_on.src ="images/leftmenu_calendar03b.gif";
	calendar_04_on = new Image();
	calendar_04_on.src ="images/leftmenu_calendar04b.gif";
	calendar_05_on = new Image();
	calendar_05_on.src ="images/leftmenu_calendar05b.gif";
	calendar_06_on = new Image();
	calendar_06_on.src ="images/leftmenu_calendar06b.gif";
	calendar_07_on = new Image();
	calendar_07_on.src ="images/leftmenu_calendar07b.gif";
	calendar_08_on = new Image();
	calendar_08_on.src ="images/leftmenu_calendar08b.gif";


	



	calendar_01_off = new Image();				// Original Images
	calendar_01_off.src ="images/leftmenu_calendar01a.gif";
	calendar_02_off = new Image();
	calendar_02_off.src ="images/leftmenu_calendar02a.gif";
	calendar_03_off = new Image();
	calendar_03_off.src ="images/leftmenu_calendar03a.gif";
	calendar_04_off = new Image();
	calendar_04_off.src ="images/leftmenu_calendar04a.gif";
	calendar_05_off = new Image();
	calendar_05_off.src ="images/leftmenu_calendar05a.gif";
	calendar_06_off = new Image();
	calendar_06_off.src ="images/leftmenu_calendar06a.gif";
	calendar_07_off = new Image();
	calendar_07_off.src ="images/leftmenu_calendar07a.gif";
	calendar_08_off = new Image();
	calendar_08_off.src ="images/leftmenu_calendar08a.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");
	}
}