function openwin(url, wname) {
		nowW = window.screen.width;
		nowH = window.screen.height;
		
		if (nowW > 600) { newW = 600; } else { newW = nowW - 50; }
		if (nowH > 600) { newH = 600; } else { newH = nowH - 100; }
		
	   	winObj = window.open(url, wname,'location=no, menubar=no, status=yes, scrollbars=yes, resizable=yes, toolbar=no, Width=' + newW + ', Height=' + newH);
    	winObj.focus();
}