function MM_preloadImages() { //v3.0
	var d=document;
	if (d.images) {
		if (!d.MM_p) d.MM_p=new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
		for (i=0; i<a.length; i++) if (a[i].indexOf("#")!=0) {
			d.MM_p[j]=new Image;
			d.MM_p[j++].src=a[i];
		}
	}
}

function imgChange(imgNum,imgSrc) {document.images[imgNum].src = imgSrc;}

window.onload = function() {
	MM_preloadImages(
		'images/appt_button_mo.gif',
		'images/login_button_mo.gif'
	);
};