var exclude=1;
    var agt=navigator.userAgent.toLowerCase();
    var win=0;var mac=0;var lin=1;
    if(agt.indexOf('win')!=-1){win=1;lin=0;}
    if(agt.indexOf('mac')!=-1){mac=1;lin=0;}
    var lnx=0;if(lin){lnx=1;}
    var ice=0;
    var ie=0;var ie4=0;var ie5=0;var ie6=0;var com=0;var dcm;
    var op5=0;var op6=0;var op7=0;var op8=0;var op9=0;
    var ns4=0;var ns6=0;var ns7=0;var mz7=0;var kde=0;var saf=0;
    if(typeof navigator.vendor!="undefined" && navigator.vendor=="KDE"){
    var thisKDE=agt;
    var splitKDE=thisKDE.split("konqueror/");
    var aKDE=splitKDE[1].split("; ");
    var KDEn=parseFloat(aKDE[0]);
    if(KDEn>=2.2){
    kde=1;
    ns6=1;
    exclude=0;
    }
    }
    else if(agt.indexOf('webtv')!=-1){exclude=1;}
    else if(typeof window.opera!="undefined"){
    exclude=0;
    if(agt.indexOf("opera/5")!=-1||agt.indexOf("opera 5")!=-1){op5=1;}
    if(agt.indexOf("opera/6")!=-1||agt.indexOf("opera 6")!=-1){op6=1;}
    if(agt.indexOf("opera/7")!=-1||agt.indexOf("opera 7")!=-1){op7=1;}
    if(agt.indexOf("opera/8")!=-1||agt.indexOf("opera 8")!=-1){op8=1;}
    if(agt.indexOf("opera/9")!=-1||agt.indexOf("opera 9")!=-1){op9=1;}
    }
    else if(typeof document.all!="undefined"&&!kde){
    exclude=0;
    ie=1;
    if(typeof document.getElementById!="undefined"){
    ie5=1;
    if(agt.indexOf("msie 6")!=-1){
     ie6=1;
     dcm=document.compatMode;
     if(dcm!="BackCompat"){com=1;}
     }
    }
    else{ie4=1;}
    }
    else if(typeof document.getElementById!="undefined"){
    exclude=0;
    if(agt.indexOf("netscape/6")!=-1||agt.indexOf("netscape6")!=-1){ns6=1;}
    else if(agt.indexOf("netscape/7")!=-1||agt.indexOf("netscape7")!=-1){ns6=1;ns7=1;}
    else if(agt.indexOf("gecko")!=-1){ns6=1;mz7=1;}
    if(agt.indexOf("safari")!=-1 || (typeof document.childNodes!="undefined" && typeof document.all=="undefined" && typeof navigator.taintEnabled=="undefined")){mz7=0;ns6=1;saf=1;}
    }
    else if((agt.indexOf('mozilla')!=-1)&&(parseInt(navigator.appVersion)>=4)){
    exclude=0;
    ns4=1;
    if(typeof navigator.mimeTypes['*']=="undefined"){
    exclude=1;
    ns4=0;
    }
    }
    if(agt.indexOf('escape')!=-1){exclude=1;ns4=0;}
    if(typeof navigator.__ice_version!="undefined"){exclude=1;ie4=0;}