Detecting browser size

Hello all,

I’m new to java and I am looking for a bit of code that would detect the size of someone’s browser. I found the below code but it doesn’t work for safari. I need to be able to use this for all browsers. Can anyone help me?

function Is() {
var agent = navigator.userAgent.toLowerCase();
this.major = parseInt(navigator.appVersion);
this.minor = parseFloat(navigator.appVersion);
this.ns = ((agent.indexOf(‘mozilla’) != -1) &&
(agent.indexOf(‘spoofer’) == -1) &&
(agent.indexOf(‘compatible’) == -1) &&
(agent.indexOf(‘opera’) == -1) &&
(agent.indexOf(‘webtv’) == -1));
this.ns2 = (this.ns && (this.major == 2));
this.ns3 = (this.ns && (this.major == 3));
this.ns4 = (this.ns && (this.major == 4));
this.ns6 = (this.ns && (this.major >= 5));
this.ie = (agent.indexOf(“msie”) != -1);
this.ie3 = (this.ie && (this.major < 4));
this.ie4 = (this.ie && (this.major == 4) &&
(agent.indexOf(“msie 5.0”) == -1));
this.ie5 = (this.ie && (this.major == 4) &&
(agent.indexOf(“msie 5.0”) != -1));
this.ieX = (this.ie && !this.ie3 && !this.ie4);
}

var is = new Is();

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