function expandingWindow(website) {
	var leftdist = 0;    // distance to left edge of window
	var topdist = 0;     // distance to top edge of window
	
	var winwidth = window.screen.availWidth - leftdist;
	var winheight = window.screen.availHeight - topdist;
	var sizer = window.open("","","left=" + leftdist + ",top=" + topdist + ",width=winwidth,height=winheight,scrollbars=no");
	
	sizer.resizeTo(winwidth, winheight);
	
	sizer.location = website;
}

function HiLite(imagename,graphic) {
	if (graphic==undefined) {
		graphic = imagename + "r.gif";
	}
	document.images[imagename].src = "graphics/buttons/" +graphic;
}

function LowLite(imagename,graphic) {
	if (graphic==undefined) {
		graphic = imagename + ".gif";
	}
	document.images[imagename].src = "graphics/buttons/" + graphic;
}

function load_images() {

	if (document.images) {
		var imgFiles = load_images.arguments;
		if (document.preloadArray==null) document.preloadArray = new Array();
		var i = document.preloadArray.length;
		with (document) for (var j=0; j < imgFiles.length; j++) {
			preloadArray[i] = new Image;
			preloadArray[i].src = 'graphics/buttons/' + imgFiles[j] + '.gif';
			i++;
		}	
	}
}