var exclude=1;
var agt=navigator.userAgent.toLowerCase();
var win=0;
var mac=0;
var lin=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 ns4=0;
var ns6=0;
var ns7=0;
var mz7=0;
var kde=0;
var saf=0;

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;
}

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(/opera[\/ ][5]/.test(agt)){op5=1;}
    if(/opera[\/ ][6]/.test(agt)){op6=1;}
    if(/opera[\/ ][7-9]/.test(agt)){op7=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;
}