js css动态加载

[javascript]代码库

function loadjscssfile ( filename, filetype )
{
	if ( filetype=="js" )   //if filename is a external JavaScript file
	{
		var fileref=document.createElement ( 'script' )
		            fileref.setAttribute ( "type","text/javascript" )
		            fileref.setAttribute ( "src", filename )
	            }
	            else if ( filetype=="css" )   //if filename is an external CSS file
	{
		var fileref=document.createElement ( "link" )
		            fileref.setAttribute ( "rel", "stylesheet" )
		            fileref.setAttribute ( "type", "text/css" )
		            fileref.setAttribute ( "href", filename )
	            }
	            if ( typeof fileref!="undefined" )
	{
		document.getElementsByTagName ( "head" ) [0].appendChild ( fileref )
	}
}