function popup_image(image_url, title) {
		var winl = (screen.width - 200)/2;
		var wint = (screen.height - 300)/2;
		var settings ='top='+wint+',';
		settings +='left='+winl+',';
		settings +='width=200, ';
		settings +='height=300, ';
		settings +='scrollbars=no,';
		settings +='resizable=yes';

		title = title.replace(/\s/g, '%20');

		win=window.open('/image_popup.php?image_url='+image_url+'&title='+title, 'image',settings);

		if(parseInt(navigator.appVersion) >= 4) {
			win.window.focus();
		}
	}

	function popup_gallery(g, i, w, h) {
		var winl = (screen.width - 700)/2;
		var wint = (screen.height - 500)/2;
		var settings ='top='+wint+',';
			settings +='left='+winl+',';
			settings +='width=700, ';
			settings +='height=500, ';
			settings +='scrollbars=no,';
			settings +='resizable=yes';

		win=window.open('/gallery_popup.php?g='+g+'&i='+i+'&w='+w+'&h='+h, 'image',settings);

		if(parseInt(navigator.appVersion) >= 4) {
		   win.window.focus();
		}
	}

	/* preload images */
	if (document.images) {
		var spacerOn = new Image();
		spacerOn.src = "images/spacer.gif";
	}

	function submitSearchForm(base, site_tree_id, product_group_id) {
		submitSearch(base, site_tree_id, product_group_id);
		return false;
	}

	function submitSearch(base, site_tree_id, product_group_id) {
		s = document.getElementById('search_str').value;
		b = document.getElementById('brand_id').value;
		if (s == 'Keywords') s = '';
		window.location.replace(base+'/'+site_tree_id+'/group/'+product_group_id+'/search_str/'+escape(s)+'/brand/'+escape(b)+'/page/1/');
	}

	function submitRegistrySearchForm(base, site_tree_id, product_group_id) {
		submitRegistrySearch(base, site_tree_id, product_group_id);
		return false;
	}

	function submitRegistrySearch(base, site_tree_id, product_group_id) {
		s = document.getElementById('registry_str').value;
		if (s == 'Registry Search') s = '';

		window.location.replace('/'+site_tree_id+'/group/'+product_group_id+'/registry_str/'+escape(s)+'/');
	}

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(base) {
	if (document.images) {
		winter_over = newImage(base + "/images/winter-over.gif");
		summer_over = newImage(base + "/images/summer-over.gif");
		preloadFlag = true;
	}
}

function Popup(w, h, page, resize) {
	var winl = (screen.width-w)/2;
	var wint = (screen.height-h)/2;
	var settings  ='height='+h+',';
	settings +='width='+w+',';
	settings +='top='+wint+',';
	settings +='left='+winl+',';
	settings +='scrollbars=yes,';
	settings +='resizable='+resize+'';

	win=window.open(page,'editor',settings);

	if(parseInt(navigator.appVersion) >= 4) {
		win.window.focus();
	}

}