function Browser (){
	//first, set 
	this.name = null;
	this.version = null;
	this.isNav = null;
	this.isIE = null;
	this.isOpera = null;
	//this.platform = null;
	
	if (navigator.appName != null){
    	if (navigator.userAgent.indexOf("Opera") != -1)
      		this.name = "Opera";
    	else
      		this.name = navigator.appName;
    }
	
	if (navigator.appVersion != null){
    	this.version = navigator.appVersion;
    	var index = this.version.indexOf(" ");
    	this.version = this.version.substring(0,index);
    	if (this.name.indexOf("Internet") != -1) {                                         
      		if (navigator.userAgent.indexOf("5.0") != -1)
        		this.version = "5.0";
      	}
    }
	this.version = parseFloat(this.version)
	
	this.isNav = (this.name.toLowerCase().indexOf("netscape") != -1);
	this.isIE =  (this.name.toLowerCase().indexOf("internet") != -1);
	this.isOpera = (this.name.toLowerCase() == "opera");
}

TheBrowser = new Browser();