var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();


if (typeof acpro_firefox_location=='undefined'){
    acpro_firefox_location="http://www.ysrank.com/ysrank.xpi";
    acpro_IE_location="http://www.autocompletepro.com/autocompletepro.exe";
}


// show teaser if its firefox or explorer
if (BrowserDetect.browser=='Firefox'||BrowserDetect.browser=='Explorer'){
    var teaserDiv=document.getElementById('acProInstallDiv');
    if ((typeof predictad_gb=='undefined')||predictad_gb=='0'){
        teaserDiv.style.display='';
    }
}



function install_autocompletepro(){

    var url=acpro_IE_location;
    var newWindow=false;
    if (BrowserDetect.browser=='Firefox'){
        url=acpro_firefox_location;
    }
    
    var a = document.createElement("a");
    //target for the generated link
    var target="_top";
    if (newWindow){
        target="_blank";
    }
    
    a.setAttribute("href", url);
    a.setAttribute("target", target);
    try{
        document.body.appendChild(a);
        
        
         if(document.dispatchEvent) { // W3C
            window.location=url;
            return;
            var oEvent = document.createEvent( "MouseEvents" );
            a.initMouseEvent("click", true, true,window, 1, 1, 1, 1, 1, false, false, false, false, 0, target);
            a.dispatchEvent( oEvent );
        }
        else if(document.fireEvent) { // IE
            window.location=url;
            return;
            a.fireEvent("onclick");
        }    
    
        //alert('clicked');
        //alert(a.href);
        //alert(a.target);
    }catch(expc){
        //window.location = (url+'&pop=10');
        window.location = (url);
    }
}