// ---------------- detection Versions ---------------------

ua = navigator.userAgent;
av = navigator.appVersion;
an = navigator.appName;

IsDOM=document.getElementById?1:0;

IsOpera=ua.indexOf('Opera')!=-1?1:0;

IsOpera5=IsOpera&&(ua.indexOf('Opera 5')!=-1||ua.indexOf('Opera/5')!=-1)?1:0;
IsOpera6=IsOpera&&(ua.indexOf('Opera 6')!=-1||ua.indexOf('Opera/6')!=-1)?1:0;
IsOpera7=IsOpera&&(ua.indexOf('Opera 7')!=-1||ua.indexOf('Opera/7')!=-1)?1:0;

IsIE=document.all&&!IsOpera?1:0;
IsIE4=IsIE&&!IsDOM?1:0;
IsIE5=IsIE&&IsDOM?1:0;

IsMac=av.indexOf('Mac')!=-1?1:0;
IsIEM=IsIE&&IsMac?1:0;
IsIE5M=IsIE5&&IsMac?1:0;

//if(IsIE5M){IsDOM=0;IsIE4=1}
if(IsIE5M)IsDOM=0;

IsWin=ua.indexOf('Win')!=-10?1:0
IsIEW=IsIE&&!IsMac?1:0;
IsIE4W=IsIE4&&IsIEW?1:0;
IsIE5W=IsIE5&&IsIEW?1:0;

IsSaf=av.indexOf('Safari')!=-1?1:0;							// IsSaf
IsSafari=ua.indexOf('Safari')>0?1:0;						// IsSaffari ...

IsNS=an==('Netscape')&&!IsSafari&&!IsOpera?1:0;	// IsSaffari ...
//IsNS=an==('Netscape')&&!IsOpera?1:0;
IsNS4=IsNS&&document.layers?1:0;
IsNS6=IsNS&&navigator.vendor==('Netscape6')||navigator.product==('Gecko')?1:0;

IsOW=ua.indexOf('OmniWeb')!=-1?1:0

IsNav4Plus=av.charAt(0)>=4?1:0;