// date
var yr;
var today = new Date();
yr = today.getFullYear();

// pop up window

var docs_popup;

// If the window already exists (but closed or in the background) bring it to the foreground.  Otherwise, open it.

function popup(url, name, w, h) {

	var temp;
	eval('temp = ' + name);
	
	if (!w) {w = 460;}
	if (!h) {h = 500;}

	temp = window.open(url, name, 'width=' + w + ',height=' + h + ',scrollbars,resizable');
	if (goodBrowser()) {
		temp.focus();
	}

	eval(name + ' = temp');
}

function goodBrowser() {

	if ( (navigator.appName == "Netscape" && (navigator.appVersion.substring(0,1) >= "3") ) || 
		(navigator.appName == "Microsoft Internet Explorer" && (navigator.appVersion.substring(0,1) >= "4") ) ) {
		return true;
	} else {
		return false;
	}
}


function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		bio_over = newImage("images/bio_over.gif");
		gallery_over = newImage("images/gallery_over.gif");
		pricelist_over = newImage("images/pricelist_over.gif");
		preloadFlag = true;
	}
}