function openwin(url, width, height) {
	var name = "popup"; 
	var width = width;
	var height = height;
	var left = (screen.width - width) / 2 ;
	var top = (screen.height - height) / 2;
	var windowproperties = "width="+width+",height="+height+",left="+left+",top="+top+",scrollbars=1";
	window.open(url, name, windowproperties);
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
	window.open(theURL,winName,features);
}