browserdetect.js

来自「关于430的介绍」· JavaScript 代码 · 共 21 行

//nn4 dummy functions
function draw_M( ){ return; }
function pop_M(){ return; }
function clear_M(){ return; }

function browserDetect()  {
    this.isNS4 = (document.layers)&&(navigator.appName=="Netscape")&&(parseInt(navigator.appVersion)==4) ? true : false;
    this.isIE4 = (document.all)&&(navigator.appName.indexOf("Microsoft") > -1)&&(parseInt(navigator.appVersion)==4) ? true : false;
    this.isIE5 = (document.getElementById)&&(navigator.appName.indexOf("Microsoft") > -1) ? true : false;
    this.isNS6 = (document.getElementById)&&(navigator.appName=="Netscape")&&(parseInt(navigator.appVersion)>4) ? true : false;
    this.isOP5 = (document.getElementById)&&(navigator.appName=="Opera")&&(parseInt(navigator.appVersion)>4) ? true : false;
	
	//os
	var agt=navigator.userAgent.toLowerCase();
	this.isMac = (agt.indexOf("mac")!=-1);
}
var nav = new browserDetect();

//if (!nav.isNS4){
   //     document.writeln('<script language="javascript" src="' + _MPath + 'headermenu.js" type="text/javascript"><\/script><script language="javascript1.2" src="' + _MPath + '/header/headerdata.js" type="text/javascript"><\/script>');
//}