function browser()
{
	var n=false; // true: Netscape 4.X, 6.X
	var ie=false; // true: Internet Explorer 4, 5, 5.5, 6
	var moz=false; // true: Mozilla
	var opera=false // true: min. Opera 5




	if (((navigator.appName=="Netscape") && (navigator.appVersion.indexOf('4.') != -1) ) || (navigator.userAgent.indexOf("Netscape6") != -1) || (navigator.userAgent.indexOf("Netscape7") != -1)) n=true;
	else if ((navigator.appName=="Microsoft Internet Explorer") && (navigator.appVersion.indexOf('4') != -1)) ie=true;
	else if ((navigator.appName=="Opera") && ( (navigator.appVersion.indexOf('5') != -1) || (navigator.appVersion.indexOf('6') != -1) || (navigator.appVersion.indexOf('7') != -1))) opera=true;
	else if ((navigator.appName=="Netscape") && (navigator.appVersion.indexOf('5') != -1)) moz=true;
	if ( (navigator.userAgent.indexOf('MSIE')!=-1) && (navigator.userAgent.indexOf('Opera')!=-1) ) {opera=true; ie=false;}
	var n=navigator.appName;
	if ( (navigator.userAgent.indexOf('MSIE')!=-1) && (navigator.userAgent.indexOf('Opera')!=-1) ) n='Opera';
	if ( (navigator.userAgent.indexOf('MSIE')==-1) && (navigator.userAgent.indexOf('Gecko')!=-1) && (navigator.userAgent.indexOf('Mozilla')!=-1) && (navigator.userAgent.indexOf('rv:')!=-1)) n='Mozilla ';
	if ( (navigator.userAgent.indexOf('MSIE')==-1) && (navigator.userAgent.indexOf('Gecko')!=-1) && (navigator.userAgent.indexOf('Mozilla')!=-1) && (navigator.userAgent.indexOf('rv:')!=-1)) n+=navigator.userAgent.substring(navigator.userAgent.indexOf('rv:')+3,navigator.userAgent.indexOf(')'));
	if ( (navigator.userAgent.indexOf('MSIE')==-1) && (navigator.userAgent.indexOf('Gecko')!=-1) && (navigator.userAgent.indexOf('Netscape6')!=-1) ) n='Netscape 6';
	if ( (navigator.userAgent.indexOf('MSIE')==-1) && (navigator.userAgent.indexOf('Gecko')!=-1) && (navigator.userAgent.indexOf('Netscape/7')!=-1) ) n='Netscape 7';
	if ( (navigator.userAgent.indexOf('MSIE')==-1) && (navigator.userAgent.indexOf('Gecko')!=-1) && ( (navigator.userAgent.indexOf('Phoenix')!=-1) || (navigator.userAgent.indexOf('Firebird')!=-1) || (navigator.userAgent.indexOf('Firefox')!=-1) ) ) n='Mozilla Firebird/Firefox';


	if ((navigator.appName=="Konqueror") && (navigator.appVersion.indexOf('4') != -1)) opera=true;
	if ((navigator.appName=="Konqueror") && (navigator.appVersion.indexOf('5') != -1)) opera=true;
	return n;
}