function showFullPic(picUrl, width, height){
	tmp = document.createElement("img");
	tmp.src = picUrl;
	
	width += 20;
	height += 20;
	
    x = (screen.width - width)/2;
    y = (screen.height - height)/2;
    window.open(picUrl,'_blank', 'menubar=0, titlebar=0, scrollbars=0, status=0, height='+height+', width='+width+', left='+x+', top='+y);
}