browser.js

function Is() {
var appName = navigator.appName.toLowerCase();
var version = navigator.appVersion.toLowerCase();
var agent   = navigator.userAgent.toLowerCase();
var platform = navigator.platform.toLowerCase();
this.major = parseInt(version);
this.minor = parseFloat(version);
this.nsa = (agent.indexOf('netscape') != -1);
this.mza = (agent.indexOf('mozilla') != -1);
this.gla = (agent.indexOf('galeon') != -1);
this.mza = (this.mza && !this.nsa);
if (this.mza) {
version = agent.substring(agent.indexOf("rv:")+3,agent.indexOf(")"));
this.nsa = false;
if (agent.indexOf("rv:") != -1) {
this.major = parseInt(version);
this.minor = parseFloat(version);
this.mz1 = (this.mza && (this.major == 1));
} else {
this.mza = false;
version = this.minor;
}
}
  if (this.gla) {
  version = agent.substring(agent.indexOf("galeon/")+7,agent.indexOf("(")-1);
  this.nsa = false;
  if (agent.indexOf("galeon/") != -1) {
  this.major = parseInt(version);
  this.minor = parseFloat(version);
  this.gl1 = (this.gla && (this.major == 1));
  } else {
  this.gla = false;
  version = this.version;
  }
  }
this.version = version;
this.nsn = (appName.indexOf('netscape') != -1);
this.ns2 = (this.nsn && (this.major == 2));
this.ns3 = (this.nsn && (this.major == 3));
this.ns4 = (this.nsn && (this.major == 4));
this.ns6 = (this.nsa && (this.major >= 5));
if (this.ns6) {
this.version = agent.slice(agent.indexOf("netscape6/")+10,agent.length);
}
this.ie = ((appName.indexOf("internet explorer") != -1)
&& (agent.indexOf("opera") == -1));
this.ie3 = (this.ie && (this.major == 3));
this.ie4 = (this.ie && (this.major == 4)
&& (agent.indexOf("msie 4.") != -1));
this.ie5 = (this.ie && (this.major == 4)
&& (agent.indexOf("msie 5.") != -1));
this.ie6 = (this.ie && (this.major == 4)
&& (agent.indexOf("msie 6.") != -1));
if (this.ie4 || this.ie5 || this.ie6) {
this.version = agent.slice(agent.indexOf("msie ")+5,agent.length);
this.version = this.version.slice(0,this.version.indexOf(";"));
}
this.ieX = (this.ie && !this.ie3 && !this.ie4);
this.op  = (agent.indexOf('opera') != -1);
this.op4 = (this.op && (this.major == 4)
&& (agent.indexOf("opera 4.") != -1));
this.op5 = (this.op && (this.major == 4)
&& (agent.indexOf("opera 5.") != -1));
this.op6 = (this.op && (this.major == 4)
&& (agent.indexOf("opera 6.") != -1));
if (this.op) {
this.ie = false;
this.ie4 = false;
this.ie5 = false;
this.ie6 = false;
this.version = agent.slice(agent.indexOf("opera")+6,agent.length)
this.version = parseFloat(this.version);
}
this.kq  = (agent.indexOf("konqueror") != -1);
if (this.kq) {
this.version = agent.substring(agent.indexOf("konqueror/")+10,agent.length);
this.version = this.version.substring(0,this.version.indexOf(";"));
this.major = parseInt(this.version);
this.minor = parseFloat(this.version);
this.mza = false;
}
this.kq2 = (this.kq && (this.major == 2));
this.kq3 = (this.kq && (this.major == 3));
this.w3c = (!(!(document.getElementById)));
this.win32 = (platform.indexOf("win32") != -1);
this.linux = (platform.indexOf("linux") != -1);
this.bsd   = (platform.indexOf("bsd") != -1);
}
var is = new Is();
function setTagFontColor(tag, color) {
if (is.ie4 || is.w3c) {
tag.style.color = color;
} else if (is.ns4) {
tag.color = color;
} else {
return;
}
}
function setTagFontStyle(tag, style) {
if (is.ie4 || is.w3c) {
tag.style.fontStyle = style;
} else if (is.ns4) {
tag.fontStyle = style;
} else {
return;
}
}
function mousePosLeft(event) {
var leftPos;
if (is.ie4 || (is.w3c && !(is.ns6 || is.mza))) {
leftPos = event.clientX;
//alert("event.clientX = " + event.clientX);
} else if (is.ns4 || is.ns6 || is.mza) {
leftPos = event.pageX;
}
return leftPos;
}
function mousePosTop(event) {
var topPos;
if (is.ie4 || (is.w3c && !(is.ns6 || is.mza))) {
topPos = event.clientY;
//alert("mousePosTop is clientY = " + event.clientY);
} else if (is.ns4 || is.ns6 || is.mza) {
topPos = event.pageY;
//alert("mousePosTop is pageX = " + event.pageX);
}
return topPos;
}