function OpenWindow(url)
{
    window.open(url,'_blank','height=300,width=500,status=yes,toolbar=no,menubar=no,location=no');
}

function openFileBrowser(url, width, height )
{  
	var iLeft = ( window.ScreenWidth - width ) / 2 ;
	var iTop  = ( window.ScreenHeiht - height ) / 2 ;

	var sOptions = "toolbar=no,status=no,resizable=yes,dependent=yes" ;
	sOptions += ",width=" + width ;
	sOptions += ",height=" + height ;
	sOptions += ",left=" + iLeft ;
	sOptions += ",top=" + iTop ;

	var oWindow = window.open( url, '服务器文件浏览', sOptions  ) ;
}

function $(id){ return document.getElementById(id); }