<!--
// browser sniffing
 function browserCheck() {
    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)));
    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.ie55 = (this.ie && (this.major == 4) && (agent.indexOf("msie 5.5") != -1));
    this.ie6 = (this.ie && (agent.indexOf("msie 6.0")!=-1) );
    this.win   = (agent.indexOf("win")!=-1);
    this.mac   = (agent.indexOf("mac")!=-1);
}

var is = new browserCheck();
-->