function openImage(file){
	var height	= 500;
	var width	= 700;
	
	if(document.getElementsByTagName('base')[0]){
		var url = document.getElementsByTagName('base')[0].href
	}else{
		var url = '';
	}
	
	window.open(url + 'gallery.php?file=' + file, 'Image', 'height=' + height + ', width=' + width + ', left=100, top=200, scrollbars=yes, menubar=no, resizable=yes');
}