if(typeof(AC)=="undefined"){AC={};}

AC.Detector={

getAgent:function(){
return navigator.userAgent.toLowerCase();
},


isMac:function(userAgent){
var agent=userAgent||this.getAgent();
return agent.match(/mac/i);
},

isWin:function(userAgent){
var agent=userAgent||this.getAgent();
return agent.match(/win/i);
},

isWin2k:function(userAgent){
var agent=userAgent||this.getAgent();
return this.isWin(agent)&&(agent.match(/nt\s*5/i));
},

isWinVista:function(userAgent){
var agent=userAgent||this.getAgent();
return this.isWin(agent)&&(agent.match(/nt\s*6/i));
},


isWebKit:function(userAgent){
var agent=userAgent||this.getAgent();
return agent.match(/AppleWebKit/i);
},

isOpera:function(userAgent){
var agent=userAgent||this.getAgent();
return agent.match(/opera/i);
},

isIE:function(userAgent){
var agent=userAgent||this.getAgent();
return agent.match(/msie/i);
},

isIEStrict:function(userAgent){
var agent=userAgent||this.getAgent();
return agent.match(/msie/i)&&!this.isOpera(agent);
},

isFirefox:function(userAgent){
var agent=userAgent||this.getAgent();
return agent.match(/firefox/i);
},


isiTunesOK:function(userAgent){
var agent=userAgent||this.getAgent();
return this.isMac(agent)||this.isWin2k(agent);
},

isQTInstalled:function(){

var qtInstalled=false;

if(navigator.plugins&&navigator.plugins.length){

for(var i=0;i<navigator.plugins.length;i++){

var plugin=navigator.plugins[i];

if(plugin.name.indexOf("QuickTime")>-1){
qtInstalled=true;
}
}
}else{
qtObj=false;
execScript('on error resume next: qtObj = IsObject(CreateObject("QuickTimeCheckObject.QuickTimeCheck.1"))','VBScript');
qtInstalled=qtObj;
}

return qtInstalled;
}
};